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      <image:title>(1) Tested GE 6GU7 Tube Date Code 85-33 General Electric 6GU7 Twin Triode Tube</image:title>
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      <image:title>(1) Tested Sylvania Export 12ED5 Tube with Box Date Code RAE Beam Power Tube (f)</image:title>
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    <loc>https://classiccurrents.com/products/1-tested-raytheon-12sk7gt-g-tube-date-code-15-raytheon-12sk7-gt-g-vacuum-tube</loc>
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      <image:title>(1) Tested Raytheon 12SK7GT/G Tube Date Code 15 Raytheon 12SK7 GT G Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/matched-pair-1943-rca-jan-crc-12sk7-tubes-codes-h6e-rca-vt-131-tubes-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Matched Pair 1943 RCA JAN CRC 12SK7 Tubes Codes H6E RCA VT-131 Tubes (b)</image:title>
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    <loc>https://classiccurrents.com/products/1-tested-tung-sol-1d5gp-date-code-21-tung-sol-1d5-gp-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>(1) Tested Tung-Sol 1D5GP Date Code 21 Tung Sol 1D5 GP Pentode Vacuum Tube</image:title>
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    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6hs8-tube-with-box-date-code-ar-sharp-cutoff-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>(1) Tested RCA 6HS8 Tube with Box Date Code AR Sharp Cutoff Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50a5-tube-date-code-226-loktal-tube-50a5-loctal-beam-power-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33.webp?v=1764740502</image:loc>
      <image:title>(1) Tested RCA 50A5 Tube Date Code 226 Loktal Tube 50A5 Loctal Beam Power (b)</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6ew6-tube-date-code-60-26-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40.webp?v=1764741080</image:loc>
      <image:title>(1) Tested Motorola 6EW6 Tube Date Code 60-26 Sharp Cutoff Pentode Vacuum Tube</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cornell-50l6gt-tube-date-code-2-59-50l6-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43.webp?v=1764741156</image:loc>
      <image:title>(1) Tested Cornell 50L6GT Tube Date Code 2-59 50L6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-14q7-tube-date-code-m6n-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47.webp?v=1764741371</image:loc>
      <image:title>(1) Tested Balanced Sylvania 14Q7 Tube date Code M6N Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6ag9-tube-rca-medium-mu-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51.webp?v=1764741870</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AG9 Tube RCA Medium Mu Triode Sharp Cutoff Pentode</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7a4-tube-code-713-loctal-tube-medium-mu-triode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>(1) Tested 1957 Sylvania 7A4 Tube Code 713 Loctal Tube Medium Mu Triode Tube</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1k3-1j3-tube-with-box-date-code-cz-1k3-tube-ge-1j3-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62.webp?v=1764742053</image:loc>
      <image:title>(1) Tested GE 1K3/1J3 Tube with Box Date Code CZ 1K3 Tube GE 1J3 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6j6-tube-date-code-50-16-medium-mu-twin-triode-6j6-s-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66.webp?v=1764742144</image:loc>
      <image:title>(1) Tested Philco 6J6 Tube Date Code 50-16 Medium Mu Twin Triode 6J6 S Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-py81-17z3-tube-with-box-made-in-italy-date-code-69-32</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70.webp?v=1764742247</image:loc>
      <image:title>(1) Tested Amperex PY81 (17Z3) Tube with Box Made In Italy Date Code 69-32</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6jc8-tube-with-box-date-code-cv-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76.webp?v=1764742352</image:loc>
      <image:title>(1) Tested Very Strong GE 6JC8 Tube with Box Date Code CV Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-35b5-tube-with-box-date-code-dm-beam-power-output-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82.webp?v=1764742443</image:loc>
      <image:title>(1) Tested RCA 35B5 Tube with Box Date Code DM Beam Power Output Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12jn8-tube-with-box-date-code-nr-aaa-triode-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88.webp?v=1764742564</image:loc>
      <image:title>(1) Tested Sylvania 12JN8 Tube with Box Date Code NR AAA Triode Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6fq7-6cg7-tube-date-code-ii-general-electric-6fq7-6cg7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_02e02c8e-30a8-4739-8ce3-59a4211eec03.webp?v=1764743433</image:loc>
      <image:title>(1) Tested Balanced GE 6FQ7/6CG7 Tube Date Code II General Electric 6FQ7 6CG7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6j10-6z10-tube-date-code-dg-sylvania-6j10-tube-6z10-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_df9e4199-926d-41e3-879c-106b90c93994.webp?v=1764743533</image:loc>
      <image:title>(1) Tested Sylvania 6J10/6Z10 Tube Date Code dg Sylvania 6J10 Tube 6Z10 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-3ce5-tube-with-box-general-motors-delco-pentode-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_d78820db-c4f7-405b-a9fb-596939f47100.webp?v=1764743608</image:loc>
      <image:title>(1) Tested GM Delco 3CE5 Tube with Box General Motors Delco Pentode Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25z5-tube-date-code-7c-rectifier-doubler-vintage-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12.webp?v=1764743681</image:loc>
      <image:title>(1) Tested Sylvania 25Z5 Tube Date Code 7C Rectifier Doubler Vintage Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6t8a-tube-date-code-ab-eso-triple-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_b7889cab-dffa-4437-bee7-9718d79cdc77.webp?v=1764781314</image:loc>
      <image:title>(1) Tested Sylvania 6T8A Tube Date Code ab ESO Triple Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-25w4gt-tube-date-code-113-rca-25w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_d8ca351d-2294-4f90-99a0-641020888a97.webp?v=1764781425</image:loc>
      <image:title>(1) Tested RCA 25W4GT Tube Date Code 113 RCA 25W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1b3gt-tube-date-code-5-35-general-electric-1b3-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_125cc84a-5eb4-4b37-84d9-e138d2b7aa1b.webp?v=1764781490</image:loc>
      <image:title>(1) Tested GE 1B3GT Tube Date Code 5-35 General Electric 1B3 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sharp-japan-17jz8-tube-date-code-8-7-medium-mu-triode-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_d1dbe7cd-273b-46a9-b61b-0bb50c80b87d.webp?v=1764781568</image:loc>
      <image:title>(1) Tested Sharp Japan 17JZ8 Tube Date Code 8-7 Medium Mu Triode Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12av6-tube-with-box-general-electric-12av6-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15.webp?v=1764781674</image:loc>
      <image:title>(1) Tested GE 12AV6 Tube with Box General Electric 12AV6 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6au6-tube-date-code-55-47-philco-6au6-sharp-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_59396536-6b10-4bff-9a1d-6f688270fa74.webp?v=1764781743</image:loc>
      <image:title>(1) Tested Philco 6AU6 Tube Date Code 55-47 Philco 6AU6 Sharp Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-stewart-warner-6cd6g-tube-date-code-331-sylvania-eia-code-6cd6-g-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_a1a71adb-c85a-4d26-ba0e-75e381b7991b.webp?v=1764781813</image:loc>
      <image:title>(1) Tested Stewart Warner 6CD6G Tube Date Code 331 Sylvania EIA Code 6CD6 G Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-matched-pair-rca-radiotron-ux-120-tubes-type-20-ux-120-tubes-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_ad805478-009d-4412-a255-cb59c10236f6.webp?v=1764781897</image:loc>
      <image:title>Tested Balanced Matched Pair RCA Radiotron UX-120 Tubes Type 20 UX 120 Tubes (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6gw6-6dq6b-tube-rca-6gw6-tube-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_4b5b3d1e-06e9-47ae-8d50-c42851d2e336.webp?v=1764781973</image:loc>
      <image:title>(1) Tested Strong RCA 6GW6/6DQ6B Tube RCA 6GW6 Tube 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-tung-sol-25l6gt-tube-date-code-pm3-tung-sol-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_733962e0-f965-4e33-acc7-f4a1d4b3901d.webp?v=1764782022</image:loc>
      <image:title>(1) Tested Strong Tung-Sol 25L6GT Tube Date Code PM3 Tung Sol 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6jc8-tube-with-box-date-code-nr-edf-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_29c957be-8664-4473-a631-d822791753de.webp?v=1764782104</image:loc>
      <image:title>(1) Tested Sylvania 6JC8 Tube with Box Date Code NR EDF Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-25z6gt-tube-date-code-243-25z6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_e122f304-cd54-40b6-9807-a90f7a91f22c.webp?v=1764782187</image:loc>
      <image:title>(1) Tested Balanced RCA 25Z6GT Tube Date Code 243 25Z6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6x8-tube-with-box-code-62-26-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_24acfcd7-7b2e-4e7f-85af-6076432964e2.webp?v=1764782268</image:loc>
      <image:title>(1) Tested Motorola 6X8 Tube with Box Code 62-26 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bj8-tube-date-code-ac-rca-twin-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_ff61df65-7dbf-4b57-b249-3ee729148fd1.webp?v=1764782317</image:loc>
      <image:title>(1) Tested RCA 6BJ8 Tube Date Code AC RCA Twin Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-81a-radio-tube-socket-adapter-for-type-47-tube-to-2a5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_3c6a7a03-e79e-489f-b163-7cecd42a1d97.webp?v=1764782381</image:loc>
      <image:title>Vintage JFD Sockette 81A Radio Tube Socket Adapter For Type 47 Tube to 2A5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-dumont-5am8-tube-date-code-67-28-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_782fc59c-f1cd-478c-89a6-8cca68b52bfc.webp?v=1764782485</image:loc>
      <image:title>(1) Tested Strong Dumont 5AM8 Tube Date Code 67-28 Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gu7-tube-with-box-date-code-aeb-6gu7-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_a9789e0e-39dc-4d40-875f-484fe657c027.webp?v=1764782661</image:loc>
      <image:title>(1) Tested Sylvania 6GU7 Tube with Box Date Code AEB 6GU7 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-5y4ga-tube-date-code-al-5y4-ga-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_d2ae41d9-a871-4bd1-b70d-9c896bf5ec3a.webp?v=1764782733</image:loc>
      <image:title>(1) Tested Strong RCA 5Y4GA Tube Date Code AL 5Y4 GA Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6dj8-tube-date-code-244-edd-vintage-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_5319061e-d964-4d27-b338-b62df0aa7fec.webp?v=1764782808</image:loc>
      <image:title>(1) Tested Strong Sylvania 6DJ8 Tube Date Code 244 EDD Vintage Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-117l7-m7gt-tube-code-544-rectifier-beam-power-117l7-m7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_28666c8d-a6c9-4a56-8ac6-2d9c808daee8.webp?v=1764782905</image:loc>
      <image:title>(1) Tested 1955 Tung Sol 117L7/M7GT Tube Code 544 Rectifier Power 117L7 M7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6cg7-tube-wide-black-ladder-plates-halo-horseshoe-get-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_cd1c3fa4-f68d-4398-a036-9e9e8aac4b80.webp?v=1764783092</image:loc>
      <image:title>(1) Tested Unbranded 6CG7 Tube Wide Black Ladder Plates Halo Horseshoe Get (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-1x2a-tube-date-code-5083-philco-1x2-b-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_558195b4-55dd-4b00-a114-61f579311462.webp?v=1764783177</image:loc>
      <image:title>(1) Tested Strong Philco 1X2A Tube Date Code 5083 Philco 1X2 B Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-12bh7a-tube-code-60-26-gray-plates-halo-getter-12bh7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_d2db187d-1458-48d4-89fb-21968f955c1f.webp?v=1764783250</image:loc>
      <image:title>(1) Tested Philco 12BH7A Tube Code 60-26 Gray Plates Halo Getter 12BH7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-silvertone-6al5-tube-date-code-afm-6al5-twin-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_38ba959e-32c0-4239-a74c-2e6a30ac397a.webp?v=1764783328</image:loc>
      <image:title>(1) Tested Balanced Silvertone 6AL5 Tube Date Code AFM 6AL5 Twin Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6h6-tube-date-code-317-rca-6h6-twin-diode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_d33e44ad-3b16-4179-b971-d625403bce45.webp?v=1764783837</image:loc>
      <image:title>(1) Tested RCA 6H6 Tube Date Code 317 RCA 6H6 Twin Diode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1973-western-electric-403b-tube-code-7326-black-plates-o-ring-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_4ad9a6dd-3165-4bee-a132-3314a722087f.webp?v=1764784720</image:loc>
      <image:title>(1) Tested 1973 Western Electric 403B Tube Code 7326 Black Plates O Ring Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6n7-tube-date-code-43-f2-medium-mu-twin-power-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_338dbe53-4fd2-498d-bd26-0628ddad1280.webp?v=1764784839</image:loc>
      <image:title>(1) Tested Balanced GE 6N7 Tube Date Code 43-F2 Medium Mu Twin Power Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6j6a-tube-with-box-6j6-a-medium-mu-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_87fa711e-b709-4e7d-a550-f0a700e62eda.webp?v=1764792508</image:loc>
      <image:title>(1) Tested Tung Sol 6J6A Tube with Box 6J6 A Medium Mu Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-garod-6ac7-tube-date-code-0-09-garod-6ac7-sharp-cut-off-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_0a298fb7-0bd0-4216-82ec-73873b098791.webp?v=1764793104</image:loc>
      <image:title>(1) Tested Garod 6AC7 Tube Date Code 0-09 Garod 6AC7 Sharp Cut Off Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-2cy5-tube-with-box-code-mj-general-electric-sharp-cutoff-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_42828c1a-560b-486a-9e0e-b0a887a7f8d6.webp?v=1764793200</image:loc>
      <image:title>(1) Tested GE 2CY5 Tube with Box Code MJ General Electric Sharp Cutoff Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12at7-tube-general-electric-12at7-twin-triode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_d547d695-f2f2-4a45-b0b9-b4884e41d2b2.webp?v=1764793260</image:loc>
      <image:title>(1) Tested GE 12AT7 Tube General Electric 12AT7 Twin Triode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1957-western-electric-408a-tube-black-plates-square-getter-code-5726</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_c032e6d1-e692-41d6-8189-39823e48046b.webp?v=1764793409</image:loc>
      <image:title>(1) Tested 1957 Western Electric 408A Tube Black Plates Square Getter Code 5726</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-19-tube-engraved-base-date-code-s5-double-triode-19-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_8b089616-8825-4341-b121-ea1b757fabc6.webp?v=1764793506</image:loc>
      <image:title>(1) Tested Philco Type 19 Tube Engraved Base Date Code S5 Double Triode 19 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sj7-tube-with-box-date-code-4-17-6sj7-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_2385afe8-67fc-4fa8-81d9-39547a07633a.webp?v=1764793578</image:loc>
      <image:title>(1) Tested GE 6SJ7 Tube with Box Date Code 4-17 6SJ7 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-6x8-tube-with-box-date-code-1109-japan-triode-pentode-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_2fe92537-3dec-4499-9214-f802bec52699.webp?v=1764793722</image:loc>
      <image:title>(1) Tested ITT 6X8 Tube with Box Date Code 1109 Japan Triode Pentode Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-valvo-ecl80-tube-date-code-hd4-7d-made-in-germany-ecl80-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_1c892489-1f5b-4805-9e93-e7a7c990973a.webp?v=1764793790</image:loc>
      <image:title>(1) Tested Valvo ECL80 Tube Date Code HD4-7D Made in Germany ECL80 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-1947-western-electric-jw-5847-tubes-codes-713-752</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_9ae0b187-7794-4afe-bc1b-967a4b6b2f87.webp?v=1764793879</image:loc>
      <image:title>Tested Matched Balanced Pair 1947 Western Electric JW 5847 Tubes Codes 713 &amp; 752</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6em5-tube-date-code-eq-rca-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_989b658f-e2cc-442a-b705-a4f22fc251f9.webp?v=1764793932</image:loc>
      <image:title>(1) Tested RCA 6EM5 Tube Date Code EQ RCA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-29-tube-socket-adapter-to-convert-7y4-tube-to-6z4-84-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_570f95b2-55bc-4621-aa20-c75034d824d8.webp?v=1764794012</image:loc>
      <image:title>Vintage Adaptol No. 29 Tube Socket Adapter To Convert 7Y4 Tube to 6Z4 84 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gm6-tube-date-code-jbz-c-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_9feb54fc-645b-419e-8f19-652d8870c52d.webp?v=1764794080</image:loc>
      <image:title>(1) Tested Sylvania 6GM6 Tube Date Code JBZ-C Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sd7gt-tube-date-code-14-tung-sol-6sd7-gt-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_89b8da5a-078e-40a0-88d3-0064b6378e58.webp?v=1764794142</image:loc>
      <image:title>(1) Tested Tung-Sol 6SD7GT Tube Date Code 14 Tung Sol 6SD7 GT Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12bd6-tube-with-box-date-code-lv-rca-12bd6-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_173d353d-8d15-470c-bb70-7653f51b6748.webp?v=1764794363</image:loc>
      <image:title>(1) Tested RCA 12BD6 Tube with Box Date Code LV RCA 12BD6 Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6u8a-tube-date-code-62-04-triode-pentode-converter-6u8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_ddbb8116-2903-48ac-999f-f4ed65560e50.webp?v=1764794452</image:loc>
      <image:title>(1) Tested GE 6U8A Tube Date Code 62-04 Triode Pentode Converter 6U8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6jc6a-tube-with-box-code-ae-akn-6jc6-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_dda8cebd-1350-496e-a19a-638e828e43b6.webp?v=1764794534</image:loc>
      <image:title>(1) Tested Strong Sylvania 6JC6A Tube with Box Code ae AKN 6JC6 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-usn-crc-1625-tube-date-code-k4e-rca-1625-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_05aa7dce-de53-4c6f-b559-9ec84c74d2aa.webp?v=1764794600</image:loc>
      <image:title>(1) Tested 1943 RCA USN CRC 1625 Tube Date Code K4E RCA 1625 Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bk5-tube-date-code-cl-rca-6bk5-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_e65cafd0-b279-4cf7-8928-7419d43cad83.webp?v=1764794680</image:loc>
      <image:title>(1) Tested RCA 6BK5 Tube Date Code CL RCA 6BK5 Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6sl7gt-tube-silver-plates-date-code-8-22-6sl7-gt-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_a1eb6dda-dc90-46ce-9737-6a7683b5b5f1.webp?v=1764795697</image:loc>
      <image:title>(1) Tested Ken-Rad 6SL7GT Tube Silver Plates Date Code 8-22 6SL7 GT Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6j6a-tube-date-code-mz-rca-6j6-a-tube-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_51b221b8-b70f-4105-ae66-5f64ad5afeee.webp?v=1764795787</image:loc>
      <image:title>(1) Tested RCA 6J6A Tube Date Code MZ RCA 6J6 A Tube Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-103ag-radio-tube-socket-adapter-1q5-tube-to-3s4-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_1a79825c-3a9b-4bc4-8e3f-fffb3c810adf.webp?v=1764795867</image:loc>
      <image:title>Vintage JFD Sockette 103AG Radio Tube Socket Adapter 1Q5 Tube to 3S4 Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-black-plate-with-box-date-code-mb-pentode-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_0030ab4f-12d0-4e69-99ed-50e6fd3f0277.webp?v=1764795964</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube Black Plate with Box Date Code MB Pentode Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bq7a-tube-rca-6bq7-a-medium-mu-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_671f6ca8-8e6b-4e8f-9306-2b634e1da778.webp?v=1764796048</image:loc>
      <image:title>(1) Tested RCA 6BQ7A Tube RCA 6BQ7 A Medium Mu Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7k7-tube-with-box-date-code-p8-diode-triode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_6ddddc23-de4b-412b-90fd-de782aba0e0c.webp?v=1764796134</image:loc>
      <image:title>(1) Tested Philco 7K7 Tube with Box Date Code P8 Diode Triode Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12au7a-tube-date-code-ah-afc-12au7-a-gray-plates-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_4a6547c7-5ee6-4fd5-9902-292785ec038a.webp?v=1764796207</image:loc>
      <image:title>(1) Tested Sylvania 12AU7A Tube Date Code ah AFC 12AU7 A Gray Plates Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6au5gt-tube-date-code-61-26-general-electric-6au5-gt-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_85451aef-0872-451c-a2f2-8448fc8fa13e.webp?v=1764796271</image:loc>
      <image:title>(1) Tested GE 6AU5GT Tube Date Code 61-26 General Electric 6AU5 GT Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-17jb6a-tube-17jb6-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_382134c5-c43d-43b8-94ae-2662743b08cb.webp?v=1764796344</image:loc>
      <image:title>(1) Tested International Service Master 17JB6A Tube 17JB6 A Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-5v6gt-tube-date-code-bl-5v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_5a80970e-dbe7-438e-b8b9-fc9e70dc77e9.webp?v=1764796392</image:loc>
      <image:title>(1) Tested Strong 1955 Sylvania 5V6GT Tube Date Code BL 5V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-tung-sol-12b8gt-tube-12b8-gt-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_821bfc69-69db-4262-b0ef-0e532d4712bd.webp?v=1764796483</image:loc>
      <image:title>(1) Tested Balanced Tung-Sol 12B8GT Tube 12B8 GT Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-el86-6cw5-tube-mullard-blackburn-date-code-b2f4-6cw5-tube-el86</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_7efdc9c3-bbe1-45ec-b021-7cb3317e619b.webp?v=1764796652</image:loc>
      <image:title>(1) Tested RCA EL86/6CW5 Tube Mullard Blackburn Date Code B2F4 6CW5 Tube EL86</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-1b3gt-tube-date-code-cg-1b3-gt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_fe25d766-03f4-4c36-accc-b56f05c18ae8.webp?v=1764796750</image:loc>
      <image:title>(1) Tested 1956 Sylvania 1B3GT Tube Date Code CG 1B3 GT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k6gt-tube-date-code-5-30-general-electric-6k6-gt-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_88f3f126-6e25-41e9-a4a6-b2777489b99a.webp?v=1764796880</image:loc>
      <image:title>(1) Tested GE 6K6GT Tube Date Code 5-30 General Electric 6K6 GT Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1966-western-electric-415a-tube-with-box-black-plates-code-6613</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_9302a2e7-c929-49a1-aa40-f8d8574e495d.webp?v=1764797028</image:loc>
      <image:title>(1) Tested 1966 Western Electric 415A Tube with Box Black Plates Code 6613</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-export-12ed5-tube-with-box-date-code-rae-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_17517dcd-b1ad-4ba8-97ae-8d94561bc4cf.webp?v=1764797113</image:loc>
      <image:title>(1) Tested Very Strong Sylvania Export 12ED5 Tube with Box Date Code RAE (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1957-western-electric-415a-tube-black-plate-square-getter-code-5713</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_d7b7a326-a8ad-4d13-b56e-46e6e271070a.webp?v=1764797190</image:loc>
      <image:title>(1) Tested 1957 Western Electric 415A Tube Black Plate Square Getter Code 5713</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6203-tube-date-code-426-full-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_b03ae9b2-ebcd-4227-b296-ba88ed3805ec.webp?v=1764797242</image:loc>
      <image:title>(1) Tested Westinghouse 6203 Tube Date Code 426 Full Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-electronics-5686-tube-with-box-beam-power-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_19c292dd-e352-4a5b-966b-e33771f32d60.webp?v=1764797336</image:loc>
      <image:title>(1) Tested National Electronics 5686 Tube with Box Beam Power Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-iec-6gh8a-tube-japan-date-code-1022-120-309-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_95be811c-759d-46dd-810e-0d7486eb2c0f.webp?v=1764797430</image:loc>
      <image:title>(1) Tested Very Strong IEC 6GH8A Tube Japan Date Code 1022-120 309 Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12aw6-tube-with-box-date-code-822-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_67320e0b-b627-4f80-b6dc-f2b6fa5f75b2.webp?v=1764797530</image:loc>
      <image:title>(1) Tested RCA 12AW6 Tube with Box Date Code 822 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-6av5gt-tube-date-code-313-raytheon-6av5-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_284f24d0-6716-46cb-b548-d2a3386f1c76.webp?v=1764797577</image:loc>
      <image:title>(1) Tested Strong Raytheon 6AV5GT Tube Date Code 313 Raytheon 6AV5 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-12av5ga-tube-date-code-abf-sylvania-eia-code-12av5-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_c7620bf7-80ea-4ce6-be69-9248af78f91f.webp?v=1764797677</image:loc>
      <image:title>(1) Tested Silvertone 12AV5GA Tube Date Code ABF Sylvania EIA Code 12AV5 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ltt-lindal-6cs7-tube-made-in-japan-double-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_d187ef6e-325f-44f6-ba2e-db0505b8edd1.webp?v=1764798022</image:loc>
      <image:title>(1) Tested LTT Lindal 6CS7 Tube Made in Japan Double Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bh6-tube-with-box-date-code-jm-arh-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_0afcf375-372f-4cb0-ba24-2b8b28aa6b37.webp?v=1764798299</image:loc>
      <image:title>(1) Tested Sylvania 6BH6 Tube with Box Date Code jm ARH Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-0z4-tube-date-code-58-48-general-electric-0z4-gas-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_c83b4977-a331-4f24-b10a-dbe3b31afe30.webp?v=1764798362</image:loc>
      <image:title>(1) Tested GE 0Z4 Tube Date Code 58-48 General Electric 0Z4 Gas Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1947-western-electric-jw-5847-tubes-404a-codes-752-angled</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_e41dcbdb-d7f5-4fe3-8e00-24163dd4962a.webp?v=1764798454</image:loc>
      <image:title>Tested Matched Pair 1947 Western Electric JW 5847 Tubes (404A) Codes 752 Angled</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6w4gt-tube-date-code-2-22-general-electric-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_ca1e9633-dc31-4b3a-9887-0043ba02e510.webp?v=1764798524</image:loc>
      <image:title>(1) Tested Strong GE 6W4GT Tube Date Code 2-22 General Electric 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6c6-tube-date-code-aj-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_8958df29-ff9d-4dc1-a1e1-02b1d46e2ca7.webp?v=1764798614</image:loc>
      <image:title>(1) Tested RCA 6C6 Tube Date Code AJ Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6ej7-ef184-tube-made-in-holland-motorola-6ej7-ef184-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_87809f4b-b5a9-4b17-81df-b14c0d880575.webp?v=1764798983</image:loc>
      <image:title>(1) Tested Motorola 6EJ7/EF184 Tube Made in Holland Motorola 6EJ7 EF184 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ej7-ef184-tube-great-britain-code-1022-120-6ej7-tube-ef184</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_b8aa3625-5235-487d-b09b-25131ce76cdf.webp?v=1764799071</image:loc>
      <image:title>(1) Tested Zenith 6EJ7/EF184 Tube Great Britain Code 1022-120 6EJ7 Tube EF184</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k6gt-tube-date-code-60-48-general-electric-6k6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_3404acc0-8142-41c1-b621-62219bbf615c.webp?v=1764799135</image:loc>
      <image:title>(1) Tested GE 6K6GT Tube Date Code 60-48 General Electric 6K6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6j6a-tube-date-code-su-ge-6j6-a-tube-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_40ce67df-820b-4a64-9159-9b927b4f1f39.webp?v=1764799175</image:loc>
      <image:title>(1) Tested GE 6J6A Tube Date Code SU GE 6J6 A Tube Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12sl7gt-tube-black-plates-dd-cleaver-brooks-12sl7-gt-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_b3c2af15-09c5-40ac-a7e5-5dabafe1a448.webp?v=1764799243</image:loc>
      <image:title>(1) Tested Balanced RCA 12SL7GT Tube Black Plates DD Cleaver Brooks 12SL7 GT (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-relay-6cg8a-tube-code-10-65-6cg8-a-tube-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_c9d744ea-26d4-4859-aa96-067e89c4beb3.webp?v=1764799317</image:loc>
      <image:title>(1) Tested Relay 6CG8A Tube Code 10-65 6CG8 A Tube Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6x4-tube-with-box-code-3r52-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_d8f11b9f-71ca-4257-8ff8-5234e4ce5f45.webp?v=1764799384</image:loc>
      <image:title>(1) Tested Westinghouse 6X4 Tube with Box Code 3R52 Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12v6gt-tube-with-box-date-code-60-43-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_cc6365a4-99cc-41a6-93d2-6e20ee2088e6.webp?v=1764799469</image:loc>
      <image:title>(1) Tested GE 12V6GT Tube with Box Date Code 60-43 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-uy-224-a-tube-type-24a-tube-engraved-base-globe-balloon-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_337a7c9c-1e49-4cfc-b875-5af21895c1af.webp?v=1764799561</image:loc>
      <image:title>(1) Tested Ken-Rad UY-224-A Tube Type 24A Tube Engraved Base Globe Balloon Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6u7g-tube-date-code-2tr-remote-cutoff-pentode-6u7-g-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_f1254965-b312-423a-a77d-03f3a48b3960.webp?v=1764799630</image:loc>
      <image:title>(1) Tested Sylvania 6U7G Tube Date Code 2TR Remote Cutoff Pentode 6U7 G Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-18fy6-tube-twin-diode-high-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_4d568833-78c7-4e4b-a830-2df1bc2a446b.webp?v=1764799675</image:loc>
      <image:title>(1) Tested Silvertone 18FY6 Tube Twin Diode High Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6-tube-sharp-cut-off-pentode-rca-6cb6-vacuum-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_c130c8dd-80eb-465a-8cd4-75edb0b0ef80.webp?v=1764799788</image:loc>
      <image:title>(1) Tested RCA 6CB6 Tube Sharp Cut Off Pentode RCA 6CB6 Vacuum Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-2cy5-tube-date-code-cs-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_bc0535f5-1e39-4abb-9134-79bda7e7d99d.webp?v=1764799873</image:loc>
      <image:title>(1) Tested Very Strong RCA 2CY5 Tube Date Code CS Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ac7-1852-tube-date-code-re6-rca-6ac7-tube-1852-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_93ae8254-01dc-43c5-8e62-829ad2cbd550.webp?v=1764799938</image:loc>
      <image:title>(1) Tested RCA 6AC7/1852 Tube Date Code RE6 RCA 6AC7 Tube 1852 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-with-box-date-code-al-6w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_96d3086e-f1d1-4ed9-8edc-07f41ec04b3d.webp?v=1764800037</image:loc>
      <image:title>(1) Tested 1954 Sylvania 6W4GT Tube with Box Date Code AL 6W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-u-s-navy-sylvania-7c7-tube-loctal-tube-7c7-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_05600eaf-9cc7-4735-8d40-380a8bf3daf8.webp?v=1764800119</image:loc>
      <image:title>(1) Tested U.S. Navy Sylvania 7C7 Tube Loctal Tube 7C7 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-1h5gt-tube-date-code-mr-27-1h5-gt-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_c7502d93-201c-42bc-b8ec-566a19274d53.webp?v=1764800174</image:loc>
      <image:title>(1) Tested Tung-Sol 1H5GT Tube Date Code MR-27 1H5 GT Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6j6-tube-medium-mu-twin-triode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_b9c27964-4ed6-4b2e-908a-97cbc9c3ab55.webp?v=1764800491</image:loc>
      <image:title>(1) Tested RCA 6J6 Tube Medium Mu Twin Triode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gf7-tube-date-code-kd-akl-sylvania-6gf7-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_ba6bad54-b41f-441d-8baa-7c404ba94c82.webp?v=1764800512</image:loc>
      <image:title>(1) Tested Sylvania 6GF7 Tube Date Code kd AKL Sylvania 6GF7 Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bg6ga-tube-date-code-57-26-beam-power-6bg6-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_5c858cf5-8c89-498d-a436-bc41a9ccb9cf.webp?v=1764800538</image:loc>
      <image:title>(1) Tested GE 6BG6GA Tube Date Code 57-26 Beam Power 6BG6 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-25z6gt-g-tube-date-code-648-25z6-gt-g-rectifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_e56b32b0-f746-4dbf-96d8-92db6166ce7f.webp?v=1764800633</image:loc>
      <image:title>(1) Tested Balanced RCA 25Z6GT/G Tube Date Code 648 25Z6 GT G Rectifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-2b7-tube-date-code-t2-general-electric-2b7-tube-twin-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_557f46d7-6310-4283-817a-38f29cfaddb3.webp?v=1764800699</image:loc>
      <image:title>(1) Tested GE 2B7 Tube Date Code T2 General Electric 2B7 Tube Twin Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-25bq6gt-tube-date-code-8r13-25bq6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_3c31c838-d13b-4dfb-8b31-d91bfff1040f.webp?v=1764800852</image:loc>
      <image:title>(1) Tested Westinghouse 25BQ6GT Tube Date Code 8R13 25BQ6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w6gt-tube-with-box-date-code-bh-aax-sylvania-6w6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_f86b2b8e-56e9-4623-8449-f68af43a4b0c.webp?v=1764800907</image:loc>
      <image:title>(1) Tested Sylvania 6W6GT Tube with Box Date Code Bh AAX Sylvania 6W6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1942-u-s-navy-sylvania-chs-1203a-tube-with-box-1203-a-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_c156758b-988d-4ac1-9600-bf6f5fd4b280.webp?v=1764800991</image:loc>
      <image:title>(1) Tested 1942 U.S. Navy Sylvania CHS 1203A Tube with Box 1203 A Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-22bw3-tube-with-box-date-code-jn-general-electric-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_f36b0698-01f7-4ed4-8a15-faa498acd54e.webp?v=1764801245</image:loc>
      <image:title>(1) Tested GE 22BW3 Tube with Box Date Code JN General Electric Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jc8-tube-with-box-date-code-sc-general-electric-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_9e02f524-f9a7-4cf6-8af8-5d6965886770.webp?v=1764801330</image:loc>
      <image:title>(1) Tested GE 6JC8 Tube with Box Date Code SC General Electric Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12f8-tube-with-box-date-code-nr-yau-twin-diode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_6163989e-1c19-49e5-88f0-f72a0547fc7a.webp?v=1764801382</image:loc>
      <image:title>(1) Tested Sylvania 12F8 Tube with Box Date Code NR YAU Twin Diode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12ax4gta-tube-date-code-tac-rca-12ax4-gta-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_b119ed6e-9c35-416a-9512-99dcabc1366d.webp?v=1764801463</image:loc>
      <image:title>(1) Tested Strong RCA 12AX4GTA Tube Date Code TAC RCA 12AX4 GTA Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6-tube-date-code-504-sharp-cut-off-pentode-rca-6cb6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_3752edd7-05f1-4180-a692-c968207a3433.webp?v=1764801513</image:loc>
      <image:title>(1) Tested RCA 6CB6 Tube Date Code 504 Sharp Cut Off Pentode RCA 6CB6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-6ah4gt-tube-date-code-m18-raytheon-6ah4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_b1ff5472-2b49-4742-877a-27052150b52d.webp?v=1764801583</image:loc>
      <image:title>(1) Tested Strong Raytheon 6AH4GT Tube Date Code M18 Raytheon 6AH4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-zenith-150-tube-socket-adapter-used-to-convert-12sa7-tube-to-14h7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_c1dd9c3b-9cad-4ce7-ab71-44e2d3f97b1f.webp?v=1764801669</image:loc>
      <image:title>Vintage Zenith 150 Tube Socket Adapter Used To Convert 12SA7 Tube to 14H7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-panama-type-24a-tube-date-code-hk3-engraved-base-type-24-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_88cc36b8-348b-4906-befd-e59eb0292544.webp?v=1764801732</image:loc>
      <image:title>(1) Tested Panama Type 24A Tube Date Code HK3 Engraved Base Type 24 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-40b2-ballast-tube-with-box-date-code-mas-current-regulator</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_7772d6d0-50f8-451c-b740-ae8e9472706f.webp?v=1764801806</image:loc>
      <image:title>(1) Tested Sylvania 40B2 Ballast Tube with Box Date Code MAS Current Regulator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6fq7-6cg7-tube-date-code-do-rca-6fq7-tube-6cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_1215a05a-cf63-4bb5-ab17-246c9ddc00d1.webp?v=1764801875</image:loc>
      <image:title>(1) Tested Balanced RCA 6FQ7/6CG7 Tube Date Code DO RCA 6FQ7 Tube 6CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6fq7-tube-medium-mu-twin-triode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_46e79fab-425f-464d-9ceb-987bfd8ab017.webp?v=1764801949</image:loc>
      <image:title>(1) Tested Unbranded 6FQ7 Tube Medium Mu Twin Triode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-2af4a-tube-date-code-61-13-medium-mu-triode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_e2af47b5-a7bd-4bd1-b4c7-53e81f3679f2.webp?v=1764802027</image:loc>
      <image:title>(1) Tested Westinghouse 2AF4A Tube Date Code 61-13 Medium Mu Triode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-very-strong-matched-pair-rca-12sa7-tube-date-codes-ap-ml-converters</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_10783c2c-5091-483a-82b3-2d3fa7aff9ab.webp?v=1764802096</image:loc>
      <image:title>Tested Very Strong Matched Pair RCA 12SA7 Tube Date Codes AP &amp; ML Converters</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6cd6ga-tube-date-code-mw-rca-6cd6-ga-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_e0a13ff0-81ad-424f-87de-0572203e403a.webp?v=1764802259</image:loc>
      <image:title>(1) Tested Strong RCA 6CD6GA Tube Date Code MW RCA 6CD6 GA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-6bu8-tube-date-code-39-vintage-twin-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_6ae00690-765d-4cc8-b6fc-0f8da0a611f6.webp?v=1764802439</image:loc>
      <image:title>(1) Tested Emerson 6BU8 Tube Date Code 39 Vintage Twin Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-12bh7a-tube-box-code-gb-vls-gray-plates-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_02f35f4a-9439-4f42-8285-b8bff4882924.webp?v=1764802498</image:loc>
      <image:title>(1) Tested 1960 Sylvania 12BH7A Tube and Box Code GB VLS Gray Plates Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-6360-tube-date-code-h2-146h-made-in-holland-twin-tetrode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_e8dea088-4600-4623-b422-183ce66a5393.webp?v=1764802560</image:loc>
      <image:title>(1) Tested Amperex 6360 Tube Date Code H2 146H Made in Holland Twin Tetrode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1979-western-electric-415a-tube-black-plate-o-ring-getter-code-7926</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_8f47c27b-8074-4bca-98a8-42d81d38608e.webp?v=1764802661</image:loc>
      <image:title>(1) Tested 1979 Western Electric 415A Tube Black Plate O Ring Getter Code 7926</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-35w4-tube-date-code-6530-japan-35w4-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_86fec7c8-f3a3-444d-bacf-fb4341726679.webp?v=1764823799</image:loc>
      <image:title>(1) Tested Philco 35W4 Tube Date Code 6530 Japan 35W4 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2cy5-tube-with-box-date-code-ar-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_fa40a389-2e40-4f8b-a577-0340a032d9da.webp?v=1764823897</image:loc>
      <image:title>(1) Tested RCA 2CY5 Tube with Box Date Code AR Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1g3gt-1b3gt-tube-date-code-kx-rca-1g3-gt-tube-1b3-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_0c07c60e-0fad-4caf-b2ef-a9eb35a10876.webp?v=1764823980</image:loc>
      <image:title>(1) Tested RCA 1G3GT 1B3GT Tube Date Code KX RCA 1G3 GT Tube 1B3 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6cl6-tube-date-code-56-27-sylvania-eia-6cl6-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_614f1db9-cde2-4c9b-a826-7da2f4c20fbc.webp?v=1764824113</image:loc>
      <image:title>(1) Tested Philco 6CL6 Tube Date Code 56-27 Sylvania EIA 6CL6 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sj7-tube-with-box-date-code-15e-rca-6sj7-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_896ae03d-af96-4920-9b99-9bb5396f109a.webp?v=1764824201</image:loc>
      <image:title>(1) Tested RCA 6SJ7 Tube with Box Date Code 15E RCA 6SJ7 Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-valvo-ecl80-tube-date-code-388-iph-made-in-england-ecl80-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_f383477c-347d-4c99-8de6-f52c7cf6e828.webp?v=1764824290</image:loc>
      <image:title>(1) Tested Valvo ECL80 Tube Date Code 388 IPH Made in England ECL80 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6hs8-tube-with-box-date-code-fe-sharp-cutoff-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_264d091d-0803-4de9-8c20-eac7d9fc8b21.webp?v=1764824355</image:loc>
      <image:title>(1) Tested GE 6HS8 Tube with Box Date Code FE Sharp Cutoff Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6am4-tube-with-box-date-code-1063-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_71028e9b-264a-4b6e-b623-20a3fe209d9c.webp?v=1764824429</image:loc>
      <image:title>(1) Tested Philco 6AM4 Tube with Box Date Code EXT Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-victor-6d6-tube-date-code-935-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_d5645cf9-831b-4947-bf63-026abd2aa0e9.webp?v=1764824498</image:loc>
      <image:title>(1) Tested RCA Victor 6D6 Tube Date Code 935 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-12sn7gt-tube-black-ladder-plates-0-43-12sn7-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_dfa60220-c59f-48e4-b4bf-a9d93f252626.webp?v=1764824599</image:loc>
      <image:title>(1) Tested Balanced GE 12SN7GT Tube Black Ladder Plates 0-43 12SN7 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3ce5-tube-with-box-date-code-mi-sharp-cutoff-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_baca245f-bca7-4860-89db-01521a4b5ea3.webp?v=1764824710</image:loc>
      <image:title>(1) Tested RCA 3CE5 Tube with Box Date Code MI Sharp Cutoff Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6y6g-tube-date-code-xe6-general-electric-6y6-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_1cd04f65-1d2d-44a1-9edd-6b256637f32d.webp?v=1764824773</image:loc>
      <image:title>(1) Tested GE 6Y6G Tube Date Code XE6 General Electric 6Y6 G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6dw4b-tube-date-code-kua-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_8f1ec616-0fe1-45fc-aff3-ea8baf25e8a8.webp?v=1764824839</image:loc>
      <image:title>(1) Tested Strong Sylvania 6DW4B Tube Date Code KUA Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-12l6gt-tube-date-code-5-26-sylvania-eia-12l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_a545f18e-1965-4923-907c-fab3e0975a69.webp?v=1764824914</image:loc>
      <image:title>(1) Tested Emerson 12L6GT Tube Date Code 5-26 Sylvania EIA 12L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12jn8-tube-with-box-date-code-nr-aaa-triode-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_3df01e03-0950-4887-830b-7966c10ed92e.webp?v=1764825011</image:loc>
      <image:title>(1) Tested Sylvania 12JN8 Tube with Box Date Code NR AAA Triode Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0a3-tube-date-code-61-13-voltage-regulator-glow-discharge-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_ced1e16c-43d2-4cee-bc0c-7612c19cc6d2.webp?v=1764825074</image:loc>
      <image:title>(1) Tested RCA 0A3 Tube Date Code 61-13 Voltage Regulator Glow Discharge Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35b5-tube-date-code-57-04-beam-power-output-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_dcc89c58-8f05-4ee3-8546-b1bb84ba8dae.webp?v=1764825138</image:loc>
      <image:title>(1) Tested GE 35B5 Tube Date Code 57-04 Beam Power Output Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-50y6gt-tube-with-box-date-code-439-sylvania-50y6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_18a4e68f-cd9f-45f8-be8d-099e6a8cbf8e.webp?v=1764825216</image:loc>
      <image:title>(1) Tested 1954 Sylvania 50Y6GT Tube with Box Code 439 Sylvania 50Y6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-6w6gt-tube-date-code-3-18-sylvania-eia-6w6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_98b38706-47eb-4367-98a8-ee7272d0eebf.webp?v=1764825283</image:loc>
      <image:title>(1) Tested Emerson 6W6GT Tube Date Code 3-18 Sylvania EIA 6W6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-conrac-6fq7-6cg7-tube-date-code-06-22-rca-eia-6fq7-tube-6cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_824794ba-3097-4cfa-bc00-e9beef933234.webp?v=1764825358</image:loc>
      <image:title>(1) Tested Conrac 6FQ7/6CG7 Tube Date Code 06-22 RCA EIA 6FQ7 Tube 6CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-zenith-6dq6b-tube-date-code-62-04-zenith-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_7022414f-f354-4820-803d-4a49458f32c4.webp?v=1764825430</image:loc>
      <image:title>(1) Tested Strong Zenith 6DQ6B Tube Date Code 62-04 Zenith 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-12sk7gt-g-tube-12sk7-gt-g-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_10fbff97-f16c-4ebb-8be4-0c4c436c5723.webp?v=1764825798</image:loc>
      <image:title>(1) Tested National Union 12SK7GT/G Tube 12SK7 GT G Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-wards-super-airline-type-950-tube-date-code-c7-power-output-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_5e3f943a-3b51-4188-ad22-897a495cd2f9.webp?v=1764825824</image:loc>
      <image:title>(1) Tested Wards Super Airline Type 950 Tube Date Code C7 Power Output Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-commercial-trades-institute-sylvania-6au6-tube-date-code-032-asp</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_907ee2ed-1c01-45f1-a317-1e2b5f9519de.webp?v=1764825844</image:loc>
      <image:title>(1) Tested 1950 Commercial Trades Institute (Sylvania) 6AU6 Tube Code 032 ASP</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sj7-tube-date-code-1-30-general-electric-6sj7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_18041de4-7641-44f8-adf8-1ff21385e8c2.webp?v=1764826218</image:loc>
      <image:title>(1) Tested GE 6SJ7 Tube Date Code 1-30 General Electric 6SJ7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-export-12ed5-tube-and-box-date-code-rae-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_794bbb5b-a4fa-4cf2-ab58-1badec6238e2.webp?v=1764826327</image:loc>
      <image:title>(1) Tested Very Strong Sylvania Export 12ED5 Tube and Box Date Code RAE (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6as8-tube-date-code-60-48-diode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_1b777d82-93fc-423f-a03f-1920d2249a28.webp?v=1764826458</image:loc>
      <image:title>(1) Tested Westinghouse 6AS8 Tube Date Code 60-48 Diode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-81a-radio-tube-socket-adapter-type-47-tube-to-2a5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_f27999d0-38b3-4ced-b9f7-1519dd0b6a73.webp?v=1764826531</image:loc>
      <image:title>Vintage JFD Sockette 81A Radio Tube Socket Adapter Type 47 Tube to 2A5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-realistic-lifetime-1k3-1j3-tube-japan-code-ol-1k3-tube-ge-1j3-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_c9adcfc7-24ee-4bfd-9adc-121ad09455ed.webp?v=1764826597</image:loc>
      <image:title>(1) Tested Realistic Lifetime 1K3/1J3 Tube Japan Code OL 1K3 Tube GE 1J3 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-command-5814a-tube-code-10c-rca-5814-a-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_29ade0e0-e129-4e0c-8ae5-1152e1e21984.webp?v=1764826709</image:loc>
      <image:title>(1) Tested RCA Command 5814A Tube Code 10C RCA 5814 A Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-pair-of-1962-western-electric-6140-tubes-cold-cathode-codes-6239-6252</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_d4453d6c-a5f0-47f4-90b8-a32776a347f7.webp?v=1764826795</image:loc>
      <image:title>Tested Pair of 1962 Western Electric 6140 Tubes Cold Cathode Codes 6239 6252</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6bw8-tube-with-box-date-code-do-twin-diode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_ac1f7730-0f94-496b-868d-240fe68009ba.webp?v=1764826851</image:loc>
      <image:title>(1) Tested CBS 6BW8 Tube with Box Date Code DO Twin Diode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-6bq7a-tube-date-code-7-66-6bq7-a-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_58d8081a-530f-4c34-98b4-73aefc5bb2c2.webp?v=1764826927</image:loc>
      <image:title>(1) Tested Rad-Tel 6BQ7A Tube Date Code 7-66 6BQ7 A Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-military-sylvania-jan-chs-6sl7gt-tubes-codes-150-222-6sl7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_81c274d9-6ac6-489a-90d9-dda7e94ce71d.webp?v=1764827008</image:loc>
      <image:title>Tested Matched Pair Military Sylvania JAN CHS 6SL7GT Tubes Codes 150 222 6SL7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7h7-tube-with-box-date-code-226-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_a1763096-4c2e-4cfd-a103-b2e115ce3018.webp?v=1764827172</image:loc>
      <image:title>(1) Tested 1952 Sylvania 7H7 Tube with Box Date Code 226 Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1980-western-electric-408a-tube-with-box-black-plate-o-halo-code-8039</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_7bd41aa9-119c-4f9f-8c12-500d6ff0b067.webp?v=1764827948</image:loc>
      <image:title>(1) Tested 1980 Western Electric 408A Tube with Box Black Plate O Halo Code 8039</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bj8-tube-with-box-date-code-er-dhl-twin-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_7ea62418-dfb0-4812-88e7-9a8b5fe9296f.webp?v=1764828026</image:loc>
      <image:title>(1) Tested Sylvania 6BJ8 Tube with Box Date Code ER DHL Twin Diode Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6aq5a-tube-date-code-239-6aq5-a-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_b14bd827-925c-49f6-9a13-0b1989e9655e.webp?v=1764828086</image:loc>
      <image:title>(1) Tested Silvertone 6AQ5A Tube Date Code 239 6AQ5 A Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12dy8-tube-date-code-bp-rca-triode-tetrode-vacuum-tube-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_0b6e7cae-3e6d-4e6d-a251-af28d4a78639.webp?v=1764828190</image:loc>
      <image:title>(1) Tested RCA 12DY8 Tube Date Code BP RCA Triode Tetrode Vacuum Tube (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-japan-6jc6a-tube-with-box-date-code-p02-6jc6-a-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_160a2903-f118-47f2-88fb-9b15d41012c8.webp?v=1764828263</image:loc>
      <image:title>(1) Tested Raytheon Japan 6JC6A Tube with Box Date Code P02 6JC6 A Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-12a6y-tube-date-code-58-09-rca-12a6y-tube-12a6-y-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_7e110053-10ee-42b1-8d50-c48c920cb900.webp?v=1764828348</image:loc>
      <image:title>(1) Tested RCA JAN CRC 12A6Y Tube Date Code 58-09 RCA 12A6Y Tube 12A6 Y Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6cd6ga-tube-date-code-63-17-general-electric-6cd6-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_bdd2c707-6bb5-480d-8581-4fd6291a16b5.webp?v=1764828417</image:loc>
      <image:title>(1) Tested Strong GE 6CD6GA Tube Date Code 63-17 General Electric 6CD6 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-12v6gt-tube-date-code-526-sylvania-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_652f81f5-f755-45f2-9e5e-9247106945ff.webp?v=1764828490</image:loc>
      <image:title>(1) Tested Delco 12V6GT Tube Date Code 526 Sylvania EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sears-1x2b-tube-made-in-japan-date-code-6k-1x2-b-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_7889db6c-dbd4-4c76-a490-2d5a5c078586.webp?v=1764828547</image:loc>
      <image:title>(1) Tested Sears 1X2B Tube Made in Japan Date Code 6K 1X2 B Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6cb6a-tube-date-code-61-30-ge-eia-pentode-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_6bc65858-73e5-4cb9-96f7-a1cf26c7ffbb.webp?v=1764828620</image:loc>
      <image:title>(1) Tested Admiral 6CB6A Tube Date Code 61-30 GE EIA Pentode 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-japan-6jc6a-tube-with-box-date-code-p02-6jc6-a-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_a2ecd78d-847d-49a7-a04f-7bd7605545d7.webp?v=1764828748</image:loc>
      <image:title>(1) Tested Raytheon Japan 6JC6A Tube with Box Date Code P02 6JC6 A Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12eg6-tube-with-box-date-code-nr-yau-heptode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_2754c292-80b4-4297-9f78-066ee3e9ca5e.webp?v=1764833564</image:loc>
      <image:title>(1) Tested Sylvania 12EG6 Tube with Box Date Code NR YAU Heptode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-131-tube-socket-adapter-convert-12sk7-tube-to-12sa7-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_8057dd2b-be14-4427-8af9-c72d28f2a2a0.webp?v=1764833630</image:loc>
      <image:title>Vintage Adaptol No. 131 Tube Socket Adapter Convert 12SK7 Tube to 12SA7 Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-2cy5-tube-green-letter-general-electric-tetrode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_d257c9c5-a8cf-4c56-bca7-4e79dc641e60.webp?v=1764833732</image:loc>
      <image:title>(1) Tested Strong GE 2CY5 Tube Green Letter General Electric Tetrode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-25w4gt-tube-date-code-eu-gm-delco-25w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_ebc02f9d-0458-415c-a666-6cc7cbdf3ea4.webp?v=1764833898</image:loc>
      <image:title>(1) Tested GM Delco 25W4GT Tube Date Code EU GM Delco 25W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-22jr6-tube-with-box-date-code-mn-general-electric-22jr6-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_c5604f7b-6a44-4d1a-9dd9-4bc803516bdb.webp?v=1764833996</image:loc>
      <image:title>(1) Tested GE 22JR6 Tube with Box Date Code MN General Electric 22JR6 Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-1k3-tube-made-in-japan-date-code-6847-n-41-1k3-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_648b4073-f020-434d-8d90-9221bde537a9.webp?v=1764834067</image:loc>
      <image:title>(1) Tested Philco 1K3 Tube Made in Japan Date Code 6847 N-41 1K3 Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bw8-tube-strong-balanced-diodes-twin-diode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_48514aaa-d93e-4cf5-8670-1931a62f3602.webp?v=1764834145</image:loc>
      <image:title>(1) Tested RCA 6BW8 Tube Strong Balanced Diodes Twin Diode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-3ce5-tube-with-box-general-motors-delco-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_ee9e69cd-aa5d-4780-afee-d6a5b6ce4ee4.webp?v=1764834226</image:loc>
      <image:title>(1) Tested GM Delco 3CE5 Tube with Box General Motors Delco Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6aw8a-tube-date-code-0-09-general-electric-6aw8-a-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_7c104720-f24b-453d-adf1-721d60c490df.webp?v=1764834303</image:loc>
      <image:title>(1) Tested GE 6AW8A Tube Date Code 0-09 General Electric 6AW8 A Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-5u8-tube-with-box-date-code-nc1-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_3b0892ed-bfe5-4112-91c6-4e6c0b099db3.webp?v=1764834380</image:loc>
      <image:title>(1) Tested Tung Sol 5U8 Tube with Box Date Code NC1 Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6a-tube-sharp-cut-off-pentode-rca-6cb6-a-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_00ef2835-f6f9-4bb5-a559-430b3e1dc8de.webp?v=1764834450</image:loc>
      <image:title>(1) Tested RCA 6CB6A Tube Sharp Cut Off Pentode RCA 6CB6 A Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-korea-6bz6-tube-with-box-date-code-ca-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_e01d1f1c-00a8-4c47-9194-1a0849fb2e44.webp?v=1764834537</image:loc>
      <image:title>(1) Tested Strong GE Korea 6BZ6 Tube with Box Date Code CA Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-4cs6-tube-with-box-japan-date-code-6d-pentagrid-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_d9948725-69f4-4432-b119-2d08a6dce8d7.webp?v=1764834663</image:loc>
      <image:title>(1) Tested Westinghouse 4CS6 Tube with Box Japan Date Code 6D Pentagrid Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-black-plate-with-box-date-code-mb-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_9a1a84a9-c900-4748-9939-9fad4fcdeced.webp?v=1764834756</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube Black Plate with Box Date Code MB Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ford-philco-6ka8-tube-with-box-japan-date-code-2l-triode-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_069eea9d-2b08-4308-88f9-2a658127f643.webp?v=1764834821</image:loc>
      <image:title>(1) Tested Ford Philco 6KA8 Tube with Box Japan Date Code 2L Triode Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-pcl82-16a8-tube-with-box-date-code-em-great-britain-triode-beam</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_52bf8f86-de7d-4a19-b538-56bcad750abe.webp?v=1764834914</image:loc>
      <image:title>(1) Tested RCA PCL82/16A8 Tube with Box Date Code EM Great Britain Triode Beam</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6aq5-tube-date-code-552-zenith-vintage-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_57f050a4-0bfc-4d76-99c0-41c11ecc834b.webp?v=1764834996</image:loc>
      <image:title>(1) Tested Zenith 6AQ5 Tube Date Code 552 Zenith Vintage Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-8bq5-tube-with-box-date-code-nr-ddg-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_ac050de0-f427-4a0f-a7a1-11ca93f893d8.webp?v=1764835058</image:loc>
      <image:title>(1) Tested Sylvania 8BQ5 Tube with Box Date Code NR DDG Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-shield-6w6gt-tube-date-code-2-67-shield-6w6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_4382b257-b47c-44cb-94a9-f033d7a8414b.webp?v=1764835124</image:loc>
      <image:title>(1) Tested Strong Shield 6W6GT Tube Date Code 2-67 Shield 6W6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-zenith-4bz6-tube-date-code-68-04-ge-eia-code-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_63942e39-ec34-4a46-8ddd-f33e09d23ab8.webp?v=1764835202</image:loc>
      <image:title>(1) Tested Strong Zenith 4BZ6 Tube Date Code 68-04 GE EIA Code Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ax4gt-tube-date-code-hg-sylvania-6ax4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_aed638f0-653b-48b1-9949-17616cf2463b.webp?v=1764835266</image:loc>
      <image:title>(1) Tested Sylvania 6AX4GT Tube Date Code HG Sylvania 6AX4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6136-6au6wb-tube-with-box-code-552-6au6-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_692d0bb0-b8d1-4e04-81db-d38b41ccfc9f.webp?v=1764835369</image:loc>
      <image:title>(1) Tested Westinghouse 6136 6AU6WB Tube with Box Code 552 6AU6 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-35z4gt-tube-date-code-639-tung-sol-35z4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_83f1b69d-0c8e-4d33-a766-f3d4ccd5115a.webp?v=1764835653</image:loc>
      <image:title>(1) Tested 1956 Tung-Sol 35Z4GT Tube Code 639 Tung Sol 35Z4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-10-tested-vintage-no-1828-clear-bayonet-chicago-miniature-lamps-bulbs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_e0c42b65-aa74-42c2-80d3-90e918accb89.webp?v=1764835697</image:loc>
      <image:title>Lot of (10) Tested Vintage No. 1828 Clear Bayonet Chicago Miniature Lamps Bulbs</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/pair-of-1960s-western-electric-6167-tubes-dekatron-cold-cathode-codes-6113-6052</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_1033bc3d-1e5b-4b69-92db-4209c38b6e7f.webp?v=1764866179</image:loc>
      <image:title>Pair of 1960s Western Electric 6167 Tubes Dekatron Cold Cathode Codes 6113 6052</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-raytheon-25l6gt-tube-date-code-635-raytheon-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_3cb76c74-fb6f-4b8c-b448-3bee3d5a9129.webp?v=1764866310</image:loc>
      <image:title>(1) Tested Very Strong Raytheon 25L6GT Tube Date Code 635 Raytheon 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6w4gt-tube-date-code-6043-cbs-6w4-gt-half-wave-rectifier-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_5f58f45f-3695-4ac8-859a-6e75003aec83.webp?v=1764866470</image:loc>
      <image:title>(1) Tested CBS 6W4GT Tube Date Code 6043 CBS 6W4 GT Half Wave Rectifier (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ford-philco-6ka8-tube-and-box-japan-date-code-2l-triode-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_71810f2b-46ac-4870-b79e-c313ba8dfc26.webp?v=1764866676</image:loc>
      <image:title>(1) Tested Ford Philco 6KA8 Tube and Box Japan Date Code 2L Triode Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-type-32-tube-date-code-652-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_3cb6e413-2f8b-4712-88e8-2cdc3a2d0ced.webp?v=1764866772</image:loc>
      <image:title>(1) Tested Ken Rad Type 32 Tube Date Code 652 Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12a6-tube-date-code-v4-rca-12a6-tube-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_d5b128d1-4c34-4591-83d9-97e0f2579af0.webp?v=1764866840</image:loc>
      <image:title>(1) Tested RCA 12A6 Tube Date Code V4 RCA 12A6 Tube Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6k7-tube-with-box-date-code-9-13-remote-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_8f969530-c3c5-4476-8657-f2fbff680ddf.webp?v=1764866908</image:loc>
      <image:title>(1) Tested 1949 Sylvania 6K7 Tube with Box Code 9-13 Remote Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-cunningham-type-41-tube-engraved-base-date-code-j3-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_55f70f63-b32b-4de2-a3bd-9d0b2f8d8ffd.webp?v=1764866978</image:loc>
      <image:title>(1) Tested RCA Cunningham Type 41 Tube Engraved Base Date Code J3 Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cb6a-tube-date-code-ki-bpt-pentode-sylvania-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_556ddd8b-f2c2-4a60-bdd7-f9dbfe799ce8.webp?v=1764867118</image:loc>
      <image:title>(1) Tested Sylvania 6CB6A Tube Date Code Ki BPT Pentode Sylvania 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-12gn7-tube-date-code-7304-cool-chassis-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_e4572af1-4471-4f0c-9785-e4e5d16eba91.webp?v=1764867194</image:loc>
      <image:title>(1) Tested Philco 12GN7 Tube Date Code 7304 Cool Chassis Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cd6ga-tube-date-code-58-09-general-electric-6cd6-ga-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_363834fa-a8eb-46bb-8293-d267a1e3dd5b.webp?v=1764867315</image:loc>
      <image:title>(1) Tested GE 6CD6GA Tube Date Code 58-09 General Electric 6CD6 GA Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-35z4gt-tube-date-code-10-tung-sol-35z4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_57135f7e-f943-4e4d-9c3e-4660beb1055d.webp?v=1764867414</image:loc>
      <image:title>(1) Tested Tung-Sol 35Z4GT Tube Date Code 10 Tung Sol 35Z4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-philips-6h6-tube-twin-diode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_01072353-da99-4be8-8a57-95b10a434dd3.webp?v=1764867489</image:loc>
      <image:title>(1) Tested Balanced Philips 6H6 Tube Twin Diode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bl7gta-tube-with-box-date-code-58-52-general-electric-6bl7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_e3b908fe-459b-46ba-8c63-542213ff8fb5.webp?v=1764867559</image:loc>
      <image:title>(1) Tested GE 6BL7GTA Tube with Box Date Code 58-52 General Electric 6BL7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gh8a-tube-with-box-date-code-dx-medium-triode-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_fe002b57-3569-49d4-83fc-1c82e028c231.webp?v=1764867662</image:loc>
      <image:title>(1) Tested RCA 6GH8A Tube with Box Date Code DX Medium Triode Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ew6-tube-general-electric-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_88c7194d-ca20-42dc-8bf6-b093bbd37a23.webp?v=1764867724</image:loc>
      <image:title>(1) Tested GE 6EW6 Tube General Electric Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bg6g-tube-date-code-bkp-rca-6bg6-g-coke-bottle-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_b2ee4ff7-4329-43d1-b19b-a5b83b5e2199.webp?v=1764867785</image:loc>
      <image:title>(1) Tested RCA 6BG6G Tube Date Code BKP RCA 6BG6 G Coke Bottle Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-jan-cnu-1625-tube-vt-136-national-union-1625-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_a92d7e98-c5ba-4dc6-bdec-b939dde5a788.webp?v=1764867848</image:loc>
      <image:title>(1) Tested National Union JAN CNU 1625 Tube VT-136 National Union 1625 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ce3-6cd3-tube-6ce3-tube-zenith-6cd3-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_c9c06a43-0ba2-423f-8fdc-d4836567950b.webp?v=1764868338</image:loc>
      <image:title>(1) Tested Zenith 6CE3/6CD3 Tube 6CE3 Tube Zenith 6CD3 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au6-tube-rca-sharp-cut-off-pentode-vintage-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_bfa220ef-b9df-45d3-aec3-651e2522679b.webp?v=1764868408</image:loc>
      <image:title>(1) Tested RCA 6AU6 Tube RCA Sharp Cut Off Pentode Vintage Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_9a4cd761-3046-4881-9482-33c133354fb4.webp?v=1764868485</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6ka8-tube-with-box-date-code-67-43-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_dfa801da-0951-438b-aab7-e7ee260250cd.webp?v=1764868576</image:loc>
      <image:title>(1) Tested Westinghouse 6KA8 Tube with Box Date Code 67-43 Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25z6gt-tube-date-code-2-26-general-electric-25z6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_b9fbf328-5483-4296-9fb7-12ec37db86bb.webp?v=1764868634</image:loc>
      <image:title>(1) Tested GE 25Z6GT Tube Date Code 2-26 General Electric 25Z6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-3dt6-tube-with-box-date-code-63-43-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_0d462c8f-fd54-4025-a39a-c355747add36.webp?v=1764868703</image:loc>
      <image:title>(1) Tested Westinghouse 3DT6 Tube with Box Date Code 63-43 Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-32et5a-tube-with-box-date-code-70-13-32et5-a-power-tube-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_44c06e7c-4e5d-452a-b834-5310e7c3b842.webp?v=1764869140</image:loc>
      <image:title>(1) Tested Zenith 32ET5A Tube with Box Date Code 70-13 32ET5 A Power Tube (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6au6a-tube-general-electric-6au6-a-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_6ab372af-4141-4e63-ad85-21902f1c9bb3.webp?v=1764869191</image:loc>
      <image:title>(1) Tested GE 6AU6A Tube General Electric 6AU6 A Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6es5-tube-date-code-aau-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_27a65324-86f3-49f7-874f-d89568b9eb5e.webp?v=1764869252</image:loc>
      <image:title>(1) Tested Sylvania 6ES5 Tube Date Code AAU High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6d6-tube-code-1u-mr-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_8a9a6416-398b-45ac-9b6f-f3fb8aa1c375.webp?v=1764869311</image:loc>
      <image:title>(1) Tested National Union 6D6 Tube Code 1U MR Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-matched-pair-rca-radiotron-ux-120-tubes-type-20-ux-120-tubes-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_d8786d3f-e7f1-4c67-a1b4-42197669eaca.webp?v=1764869391</image:loc>
      <image:title>Tested Balanced Matched Pair RCA Radiotron UX-120 Tubes Type 20 UX 120 Tubes (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-with-box-date-code-mb-black-plate-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_7287beda-b888-489c-aa96-22a67c1c86c4.webp?v=1764869472</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube with Box Date Code MB Black Plate Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6a6-tube-date-code-v5-rca-6a6-twin-power-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_a890750d-2e19-440b-be2d-f242d6fd60e4.webp?v=1764869537</image:loc>
      <image:title>(1) Tested Balanced RCA 6A6 Tube Date Code V5 RCA 6A6 Twin Power Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12at7-tube-general-electric-12at7-twin-triode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_3a7da3ab-cd78-4a7b-a6db-b6be4e852930.webp?v=1764869599</image:loc>
      <image:title>(1) Tested GE 12AT7 Tube General Electric 12AT7 Twin Triode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-12au7-tube-12au7-medium-mu-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_259bc219-8595-4e14-b359-1c17f45f9764.webp?v=1764869673</image:loc>
      <image:title>(1) Tested Delco 12AU7 Tube 12AU7 Medium Mu Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6de4-tube-date-code-aa-edp-sylvania-6de4-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_6f118b85-33e2-4845-a0c1-6a0097efe1e3.webp?v=1764869786</image:loc>
      <image:title>(1) Tested Sylvania 6DE4 Tube Date Code aa EDP Sylvania 6DE4 Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3by6-tube-with-box-date-code-cb-pentagrid-amplifier-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_a9cf9644-a6fc-4134-af42-cbdf15176177.webp?v=1764869862</image:loc>
      <image:title>(1) Tested 1956 Sylvania 3BY6 Tube with Box Code CB Pentagrid Amplifier Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6ag7-tube-with-box-date-code-ew-general-electric-6ag7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_82875237-3ada-4370-bebc-f888e1e7b79e.webp?v=1764869980</image:loc>
      <image:title>(1) Tested Strong GE 6AG7 Tube with Box Date Code EW General Electric 6AG7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6k6gt-tube-date-code-aq-power-pentode-rca-6k6-gt-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_2f2a0c55-d159-4830-8823-02e8eae22428.webp?v=1764870044</image:loc>
      <image:title>(1) Tested RCA 6K6GT Tube Date Code AQ Power Pentode RCA 6K6 GT Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12eg6-tube-and-box-date-code-nr-yau-pentagrid-heptode-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_9d9c9aae-c0cc-40b0-a521-820dccf1339a.webp?v=1764870114</image:loc>
      <image:title>(1) Tested Sylvania 12EG6 Tube and Box Date Code NR YAU Pentagrid Heptode (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-no-64ag-radio-tube-socket-adapter-1a7-tube-to-1r5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_a8b95c27-6962-4220-8c3f-552b5e9ec39b.webp?v=1764870190</image:loc>
      <image:title>Vintage JFD Sockette No. 64AG Radio Tube Socket Adapter 1A7 Tube to 1R5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6l6-tube-date-code-5-30-6l6-beam-power-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_8097d712-704d-461a-bb1d-6bb2285b4809.webp?v=1764870352</image:loc>
      <image:title>(1) Tested RCA 6L6 Tube Date Code 5-30 6L6 Beam Power Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6bz6-tube-semi-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_de4efa02-d497-4ed5-b542-15fe957f2d93.webp?v=1764870403</image:loc>
      <image:title>(1) Tested Magnavox 6BZ6 Tube Semi Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-export-12ed5-tube-with-box-date-code-rae-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_e202cbf4-0eff-4f52-adf7-7d921543e9b3.webp?v=1764870539</image:loc>
      <image:title>(1) Tested Very Strong Sylvania Export 12ED5 Tube with Box Date Code RAE (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35b5-tube-date-code-57-04-beam-power-output-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_90541a50-480a-4b02-9acb-80ef1cf6cb44.webp?v=1764870757</image:loc>
      <image:title>(1) Tested GE 35B5 Tube Date Code 57-04 Beam Power Output Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ac7-1852-tube-date-code-s1-rca-6ac7-tube-rca-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_6409a1d4-a480-4b5e-8a2c-cccb21df9efc.webp?v=1764870844</image:loc>
      <image:title>(1) Tested RCA 6AC7/1852 Tube Date Code S1 RCA 6AC7 Tube RCA 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-12ax4gtb-tube-date-code-62-43-ge-12ax4-gtb-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_b908c8e1-7d81-4f24-9a7c-614269ffa396.webp?v=1764870984</image:loc>
      <image:title>(1) Tested Strong GE 12AX4GTB Tube Date Code 62-43 GE 12AX4 GTB Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6w4gt-tube-date-code-50-32-philco-6w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_4d8f7404-38a6-4d32-967b-1aa818d0dee7.webp?v=1764871374</image:loc>
      <image:title>(1) Tested Philco 6W4GT Tube Date Code 50-32 Philco 6W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-nos-tested-rca-6af6g-eye-tube-with-box-bright-green-magic-eye-code-hy</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_4041deda-7a0a-4bc8-b5dc-f95733b8ac44.webp?v=1764871487</image:loc>
      <image:title>(1) NOS Tested RCA 6AF6G Eye Tube with Box Bright Green Magic Eye Code HY</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ej7-ef184-tube-made-in-holland-code-c43-6ej7-tube-ef184-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_89846232-ae92-4255-b0ce-a34cb0a549c5.webp?v=1764871904</image:loc>
      <image:title>(1) Tested Zenith 6EJ7/EF184 Tube Made In Holland Code C43 6EJ7 Tube EF184 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7f8-tube-loctal-tube-dual-triode-vacuum-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_b7de0edc-a592-4f99-806c-1b3c60dccfd4.webp?v=1764871983</image:loc>
      <image:title>(1) Tested Sylvania 7F8 Tube Loctal Tube Dual Triode Vacuum Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-export-12ed5-tube-with-box-date-code-rae-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_36a42e77-338d-48c2-8bc3-6670e0e3e454.webp?v=1764872054</image:loc>
      <image:title>(1) Tested Sylvania Export 12ED5 Tube with Box Date Code RAE Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35w4-tube-date-code-la-bdl-35w4-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_e6089e8a-0f30-4a64-9141-5d5a0af84d77.webp?v=1764872115</image:loc>
      <image:title>(1) Tested Sylvania 35W4 Tube Date Code la BDL 35W4 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6k8-vt-167-tube-date-code-3-04-rca-6k8-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_dc40088a-419f-4126-a940-ca0f9693b225.webp?v=1764872183</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6K8 VT-167 Tube Date Code 3-04 RCA 6K8 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-25z6gt-tube-red-letter-with-box-code-62-26-25z6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_bad23789-6fd2-4297-9e59-69d806e5aa36.webp?v=1764872258</image:loc>
      <image:title>(1) Tested Balanced GE 25Z6GT Tube Red Letter with Box Code 62-26 25Z6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ka8-tube-with-box-great-britain-date-code-hi-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_b4820973-5feb-4319-baea-461e46916951.webp?v=1764872336</image:loc>
      <image:title>(1) Tested GE 6KA8 Tube with Box Great Britain Date Code HI Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6je6c-tube-general-electric-6je6-c-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_38c4f524-0320-41f8-9fc7-db12941e65ba.webp?v=1764872404</image:loc>
      <image:title>(1) Tested GE 6JE6C Tube General Electric 6JE6 C Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12jn8-tube-with-box-code-yaa-triode-tube-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_50370879-d31c-48bf-aac4-7285ce9fd1ce.webp?v=1764872472</image:loc>
      <image:title>(1) Tested Sylvania 12JN8 Tube with Box Code YAA Triode Tube Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-22bw3-tube-with-box-date-code-304035-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_0f19655c-f0f1-43aa-b19d-ad57ceab0d7a.webp?v=1764872660</image:loc>
      <image:title>(1) Tested Zenith 22BW3 Tube with Box Date Code 304035 Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rad-tel-25z6gt-tube-date-code-6-63-rad-tel-25z6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_3e2187e1-26e5-4f0c-9061-6e8a3cbe2c68.webp?v=1764872736</image:loc>
      <image:title>(1) Tested Balanced Rad-Tel 25Z6GT Tube Date Code 6-63 Rad Tel 25Z6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6cu6-tube-date-code-de-cbs-6cu6-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_2d1d6283-6f9e-45d4-83ee-21cd61a335dc.webp?v=1764872811</image:loc>
      <image:title>(1) Tested CBS 6CU6 Tube Date Code DE CBS 6CU6 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-silver-plate-with-box-date-code-nm-pentode-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_cd7d4b32-fd1c-46aa-8cf3-b15eda4ea2d6.webp?v=1764872902</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube Silver Plate with Box Date Code NM Pentode Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6gc5-tube-date-code-452-egl-noval-base-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_bea87715-37eb-42c7-8952-130abcff1d46.webp?v=1764873014</image:loc>
      <image:title>(1) Tested Magnavox 6GC5 Tube Date Code 452 EGL Noval Base Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6bk4b-tube-with-box-date-code-cb-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_8befba37-9ba9-4cc3-8d12-d19ec02937aa.webp?v=1764873074</image:loc>
      <image:title>(1) Tested Very Strong RCA 6BK4B Tube with Box Date Code CB Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-type-85-tube-date-code-648-ken-rad-85-tube-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_12c14fdc-3cc1-417e-9b6a-8fffb239b5c3.webp?v=1764873153</image:loc>
      <image:title>(1) Tested Ken-Rad Type 85 Tube Date Code 648 Ken Rad 85 Tube Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-71ag-radio-tube-socket-adapter-for-6a7-tube-to-7b8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_bafd17fb-91ae-4956-a98f-7d7756baaa80.webp?v=1764873469</image:loc>
      <image:title>Vintage JFD Sockette 71AG Radio Tube Socket Adapter For 6A7 Tube to 7B8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bq6gta-tube-date-code-dk-sylvania-6bq6-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_e9b758c4-ec2f-45b5-9758-02090245f2a2.webp?v=1764873520</image:loc>
      <image:title>(1) Tested 1957 Sylvania 6BQ6GTA Tube Date Code DK Sylvania 6BQ6 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-169-tube-socket-adapter-6g6-tube-to-50l6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_7fd75653-32d2-44fb-b579-c0c7e3db3166.webp?v=1764873585</image:loc>
      <image:title>Vintage Adaptol No. 169 Tube Socket Adapter 6G6 Tube To 50L6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1955-western-electric-415a-tube-black-plate-square-getter-code-552</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_6bf62be8-4ae0-4f65-ad91-d9ea1b73bd25.webp?v=1764873691</image:loc>
      <image:title>(1) Tested 1955 Western Electric 415A Tube Black Plate Square Getter Code 552</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-6ax4gt-tube-code-mr-delco-6ax4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_9a4fa433-515d-4113-90d7-daed21708b16.webp?v=1764873740</image:loc>
      <image:title>(1) Tested GM Delco 6AX4GT Tube Code MR Delco 6AX4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25bq6gt-tube-date-code-el-mjc-25bq6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_5f9b5ffc-326b-43ac-9f37-03c4d79aa647.webp?v=1764873830</image:loc>
      <image:title>(1) Tested 1958 Sylvania 25BQ6GT Tube Date Code EL MJC 25BQ6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6x8-tube-with-box-code-2-26-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_a3f2c233-34eb-48cb-adb1-8e8349da87c4.webp?v=1764874524</image:loc>
      <image:title>(1) Tested Motorola 6X8 Tube with Box Code 2-26 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cb6a-tube-date-code-ke-bod-pentode-sylvania-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_c91cf097-e2d2-4462-a157-ce9feaf074da.webp?v=1764874603</image:loc>
      <image:title>(1) Tested Sylvania 6CB6A Tube Date Code KE BOD Pentode Sylvania 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6j6a-tube-code-ry-general-electric-6j6-a-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_f8f636dd-269b-4fda-8cc3-5ce0eee5ee82.webp?v=1764874662</image:loc>
      <image:title>(1) Tested GE 6J6A Tube Code RY General Electric 6J6 A Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cx8-tube-with-box-date-code-nf-medium-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_b0f19768-6846-48b1-9a9d-c2f8065a2c4e.webp?v=1764875283</image:loc>
      <image:title>(1) Tested RCA 6CX8 Tube with Box Date Code NF Medium Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6j6a-tube-code-sw-general-electric-6j6-a-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_3d4a85f3-1cb8-4ff6-a261-8ee7355b4f1e.webp?v=1764875349</image:loc>
      <image:title>(1) Tested GE 6J6A Tube Code SW General Electric 6J6 A Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6au5gt-tube-date-code-ev-general-electric-6au5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_c4c224e6-b5c2-4b71-adcc-20a23aa60715.webp?v=1764875498</image:loc>
      <image:title>(1) Tested Strong GE 6AU5GT Tube Date Code EV General Electric 6AU5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-83-tube-socket-adapter-to-replace-1ln5-tube-with-1n5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_d0cc02ed-5460-48c7-ae94-7c59f0ff2f73.webp?v=1764875577</image:loc>
      <image:title>Vintage Adaptol No. 83 Tube Socket Adapter To Replace 1LN5 Tube with 1N5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1968-western-electric-415a-tubes-black-plate-codes-6852-6839</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_5f8c31a7-a4c6-40f4-9bec-aa92eabae2dc.webp?v=1764875666</image:loc>
      <image:title>Tested Matched Pair 1968 Western Electric 415A Tubes Black Plate Codes 6852 6839</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5x8-tube-with-box-date-code-fv-general-electric-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_b73d22d9-6163-4fc6-a672-13a5837dc839.webp?v=1764875759</image:loc>
      <image:title>(1) Tested GE 5X8 Tube with Box Date Code FV General Electric Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0b2-tube-with-box-date-code-6726-cold-cathode-voltage-regulator</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_45c2e5bc-6f3b-4ab9-a11f-c515e61c352a.webp?v=1764875873</image:loc>
      <image:title>(1) Tested RCA 0B2 Tube with Box Date Code 6726 Cold Cathode Voltage Regulator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6cb6a-tube-date-code-59-52-pentode-philco-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_c067e31a-b9bc-43a8-8bb4-40448ff7ba38.webp?v=1764878360</image:loc>
      <image:title>(1) Tested Philco 6CB6A Tube Date Code 59-52 Pentode Philco 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-36am3b-tube-with-box-date-code-bax-36am3-b-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_52e099f7-a970-46de-bb59-1874422a5959.webp?v=1764878451</image:loc>
      <image:title>(1) Tested Sylvania 36AM3B Tube with Box Date Code BAX 36AM3 B Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-westinghouse-25c5-tube-date-code-7r39-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_29c0a5df-2b05-4683-8ec2-5f7a48ce20fe.webp?v=1764878544</image:loc>
      <image:title>(1) Tested Strong Westinghouse 25C5 Tube Date Code 7R39 Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12ax4gtb-tube-with-box-date-code-60-48-12ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_3c41c186-d7ff-4b78-922f-cfd11172df53.webp?v=1764878594</image:loc>
      <image:title>(1) Tested GE 12AX4GTB Tube with Box Date Code 60-48 12AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-untested-rca-1p40-tube-with-box-date-code-72-26-gas-phototube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_151df4ca-87f9-43bd-a0dc-713f6986349c.webp?v=1764878672</image:loc>
      <image:title>(1) Untested RCA 1P40 Tube with Box Date Code 72-26 Gas Phototube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-17de4-tube-date-code-052-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_dadb4c97-7ce4-4a06-a01c-6bd4a92e2fad.webp?v=1764878732</image:loc>
      <image:title>(1) Tested Silvertone 17DE4 Tube Date Code 052 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-wells-gardner-12w6gt-tube-code-61-30-wells-gardner-and-co-12w6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_eaf5a7d8-0b1a-4c8a-a641-6ba954d2a5ad.webp?v=1764878812</image:loc>
      <image:title>(1) Tested Wells Gardner 12W6GT Tube Code 61-30 Wells Gardner and Co 12W6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-magnavox-6bj8-tube-date-code-64-52-twin-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_6e11b461-57a7-4338-9701-88811dca62f4.webp?v=1764878869</image:loc>
      <image:title>(1) Tested Strong Magnavox 6BJ8 Tube Date Code 64-52 Twin Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-6bl7gta-tube-with-box-date-code-10-65-6bl7-gta-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_e263642a-7af7-4278-acfa-c05a95e07a7b.webp?v=1764878931</image:loc>
      <image:title>(1) Tested Rad-Tel 6BL7GTA Tube with Box Date Code 10-65 6BL7 GTA Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-travler-6aw8a-tube-date-code-218-trav-ler-6aw8-a-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_5ebc07b9-22a1-468c-843a-cbe2b09ad0b9.webp?v=1764879003</image:loc>
      <image:title>(1) Tested Travler 6AW8A Tube Date Code 218 Trav-Ler 6AW8 A Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-type-53-tube-date-code-u2-high-mu-twin-power-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_b7a10c04-afa6-454f-950a-31096ec94ee9.webp?v=1764879069</image:loc>
      <image:title>(1) Tested RCA Radiotron Type 53 Tube Date Code U2 High Mu Twin Power Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-837-tube-s-c-300-a-date-code-s5-micanol-base-beam-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_cfd09bc4-c7ad-4e74-b14d-0e35318859cf.webp?v=1764879150</image:loc>
      <image:title>(1) Tested RCA 837 Tube S.C. 300 A Date Code S5 MIcanol Base Beam Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6w6gt-tube-date-code-cm-rca-6w6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_2efab81d-fd10-4cd3-a54e-f2b46615ff1a.webp?v=1764879206</image:loc>
      <image:title>(1) Tested Strong RCA 6W6GT Tube Date Code CM RCA 6W6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-western-electric-hytron-vt-137-tube-type-1626-tube-mil-spec-with-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_1d473b4f-fc70-4ee4-b196-6c2dc249a535.webp?v=1764879300</image:loc>
      <image:title>(1) Tested Western Electric Hytron VT-137 Tube Type 1626 Tube Mil-Spec with Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-19c8-tube-date-code-5139-triple-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_5f28ba59-4425-48ff-a7f2-dd3157efd280.webp?v=1764879355</image:loc>
      <image:title>(1) Tested National Union 19C8 Tube Date Code 5139 Triple Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gh8a-tube-with-box-date-code-ae-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_3cb66760-c704-47a8-835a-fc5e88f92bd7.webp?v=1764879790</image:loc>
      <image:title>(1) Tested Sylvania 6GH8A Tube with Box Date Code ae Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7ah7-tube-date-code-p8-loktal-tube-loctal-tube-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_d77e3d6d-b3dc-49fc-89b1-ed47a1cc6d28.webp?v=1764879842</image:loc>
      <image:title>(1) Tested Philco 7AH7 Tube Date Code P8 Loktal Tube Loctal Tube Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-17dq6a-tube-date-code-57-49-westinghouse-17dq6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_eb4481a1-357d-49e4-b491-11dc21bbe0b9.webp?v=1764880043</image:loc>
      <image:title>(1) Tested Westinghouse 17DQ6A Tube Date Code 57-49 Westinghouse 17DQ6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-b-k-6an8-tube-bk-6an8-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_65e99d64-325c-4bf0-b0a3-a393809b16b9.webp?v=1764880124</image:loc>
      <image:title>(1) Tested B&amp;K 6AN8 Tube BK 6AN8 Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-12sn7gta-tube-gray-ladder-plates-62-39-12sn7-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_6ed745d0-dc03-47a7-8918-d38c375a2812.webp?v=1764880223</image:loc>
      <image:title>(1) Tested Balanced GE 12SN7GTA Tube Gray Ladder Plates 62-39 12SN7 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k6gt-tube-with-box-date-code-63-39-red-letter-base-6k6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_13e70e76-2ec9-48bc-95eb-bc925d0d611c.webp?v=1764880291</image:loc>
      <image:title>(1) Tested GE 6K6GT Tube with Box Date Code 63-39 Red Letter Base 6K6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-6bg6g-tube-date-code-9-35-hytron-6bg6-g-tube-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_cacfe295-e4a6-4dea-b65a-79862e302c9c.webp?v=1764880429</image:loc>
      <image:title>(1) Tested Hytron 6BG6G Tube Date Code 9-35 Hytron 6BG6 G Tube Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12a6-tube-date-code-s2e-rca-12a6-tube-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_25997110-e716-4a03-975e-f62ccb1289a4.webp?v=1764880479</image:loc>
      <image:title>(1) Tested RCA 12A6 Tube Date Code S2E RCA 12A6 Tube Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-2af4a-tube-code-61-13-medium-mu-triode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_3f55c2ef-eadc-4fac-b5be-6f580dbff146.webp?v=1764880555</image:loc>
      <image:title>(1) Tested Westinghouse 2AF4A Tube Code 61-13 Medium Mu Triode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zytron-5u8-tube-date-code-709-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_9333b90a-73fd-41d1-b80c-74ae9afdfa61.webp?v=1764880684</image:loc>
      <image:title>(1) Tested Zytron 5U8 Tube Date Code 709 Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-westinghouse-6bq6gtb-6cu6-tubes-with-boxes-date-code-70-48-6cu6-6bq6-gtb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_09638d26-f096-4464-ae68-d8598598320b.webp?v=1764880774</image:loc>
      <image:title>Matched Westinghouse 6BQ6GTB/6CU6 Tubes with Boxes Date Code 70-48 6CU6 6BQ6 GTB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-jhy-0b2-tube-date-code-0-39-hytron-0b2-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_31376c88-0bf1-4bc8-9230-8d8cafc1498c.webp?v=1764880845</image:loc>
      <image:title>(1) Tested Hytron JHY-0B2 Tube Date Code 0-39 Hytron 0B2 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6aw8a-tube-date-code-pri-6aw8-a-high-mu-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_e6bee2d4-0b64-4cee-b96b-f3f2f11c69a2.webp?v=1764880948</image:loc>
      <image:title>(1) Tested Tung-Sol 6AW8A Tube Date Code PRI 6AW8 A High Mu Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12ed5-tube-with-box-date-code-71-26-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_300cd5f1-2489-478e-9a4a-78da49ad8b2a.webp?v=1764881054</image:loc>
      <image:title>(1) Tested Westinghouse 12ED5 Tube with Box Date Code 71-26 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12w6gt-tube-date-code-bc-12w6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_1d3c5746-47a6-4a9b-9c32-af8d324adcf5.webp?v=1764881493</image:loc>
      <image:title>(1) Tested RCA 12W6GT Tube Date Code BC 12W6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0d3-tube-date-code-73-39-rca-0d3-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_a07f9494-ac57-46ac-a94c-1ce70cd54566.webp?v=1764881576</image:loc>
      <image:title>(1) Tested RCA 0D3 Tube Date Code 73-39 RCA 0D3 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-6dt5-tube-with-box-date-code-efd-ne-beam-power-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_f5dae1f2-469e-4ce7-97de-76fdce02e7c8.webp?v=1764881643</image:loc>
      <image:title>(1) Tested Hytron 6DT5 Tube with Box Date Code EFD NE Beam Power Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dn6-tube-date-code-mu-general-electric-6dn6-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_342ee0a8-dbcf-4e53-9c3e-1a5faa36dea6.webp?v=1764881832</image:loc>
      <image:title>(1) Tested GE 6DN6 Tube Date Code MU General Electric 6DN6 Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cl8a-tube-date-code-dc-ald-sylvania-6cl8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_5b4e9d05-92f4-4941-8a99-63537d7d1d59.webp?v=1764881894</image:loc>
      <image:title>(1) Tested Sylvania 6CL8A Tube Date Code dc ALD Sylvania 6CL8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6fq7-6cg7-tube-date-code-fk-general-electric-6fq7-tube-ge-6cg7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_9b92b67c-7415-41cf-ba1b-89453ac38d24.webp?v=1764881976</image:loc>
      <image:title>(1) Tested GE 6FQ7/6CG7 Tube Date Code FK General Electric 6FQ7 Tube GE 6CG7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ej7-ef184-tube-great-britain-jc-general-electric-6ej7-ef184-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_aaefa218-8895-47b9-9921-c4b1ae679f3d.webp?v=1764882038</image:loc>
      <image:title>(1) Tested GE 6EJ7/EF184 Tube Great Britain JC General Electric 6EJ7 EF184 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-12k5-tube-date-code-67-17-delco-12k5-power-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-98_8cb6b092-adff-47a5-af72-1edfd9ac3645.webp?v=1764882291</image:loc>
      <image:title>(1) Tested Delco 12K5 Tube Date Code 67-17 Delco 12K5 Power Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-14r7-tube-with-box-date-code-826-twin-diode-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-2_78ebdc8f-a9c7-467d-9eda-075a7427b411.webp?v=1764882354</image:loc>
      <image:title>(1) Tested 1958 Tung Sol 14R7 Tube with Box Date Code 826 Twin Diode Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6hb6-tube-with-box-date-code-ext-power-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_c5efb5a5-7c8c-4ebc-bb81-2c0ea8283016.webp?v=1764882429</image:loc>
      <image:title>(1) Tested Philco 6HB6 Tube with Box Date Code EXT Power Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1977-western-electric-408a-tube-box-black-plates-o-halo-code-7713</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_c491b643-81ca-4963-968e-3dfa803aa95f.webp?v=1764882502</image:loc>
      <image:title>(1) Tested 1977 Western Electric 408A Tube &amp; Box Black Plates O Halo Code 7713</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-3cf6-tube-with-box-date-code-s14-japan-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_3b9c7768-4f27-4e27-b2c3-9869b56c6b30.webp?v=1764882579</image:loc>
      <image:title>(1) Tested Raytheon 3CF6 Tube with Box Date Code S14 Japan Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-stromberg-carlson-6w4gt-tube-code-0-52-ge-eia-6w4-gt-rectifier-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_1efccd3d-452f-40d8-a096-0967dab56905.webp?v=1764882671</image:loc>
      <image:title>(1) Tested Stromberg Carlson 6W4GT Tube Code 0-52 GE EIA 6W4 GT Rectifier (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/2-new-octal-8-pin-male-connector-socket-plugs-speaker-wire-harnesses-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_c96c9c08-99a3-49e8-994b-329e40f0ee2f.webp?v=1764882754</image:loc>
      <image:title>(2) New Octal 8 Pin Male Connector Socket Plugs Speaker Wire Harnesses Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12j5gt-vt-135-tube-date-code-s5-rca-12j5-gt-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_87d2609f-5840-4eb5-8f00-e8fcbd3da00a.webp?v=1764882885</image:loc>
      <image:title>(1) Tested RCA 12J5GT VT-135 Tube Date Code S5 RCA 12J5 GT Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6au6-tube-date-code-5r30-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_07c8a47b-51e9-4048-a87f-dc5f64f890d0.webp?v=1764882987</image:loc>
      <image:title>(1) Tested Westinghouse 6AU6 Tube Date Code 5R30 Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jh8-tube-with-box-date-code-eh-beam-deflection-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_b3170db3-58ed-40a3-9f98-31a1653bbdd6.webp?v=1764883116</image:loc>
      <image:title>(1) Tested RCA 6JH8 Tube with Box Date Code EH Beam Deflection Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12dq6a-tube-date-code-e10-raytheon-12dq6-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_503d43b6-26cb-4e02-9aa7-6407bc48ec2b.webp?v=1764883262</image:loc>
      <image:title>(1) Tested Raytheon 12DQ6A Tube Date Code E10 Raytheon 12DQ6 A Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35b5-tube-general-electric-beam-power-output-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_9a85c223-dde9-4b85-972b-3662cda60610.webp?v=1764910518</image:loc>
      <image:title>(1) Tested GE 35B5 Tube General Electric Beam Power Output Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6av5ga-tube-date-code-59-17-6av5-ga-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_50c03ad1-b6dc-41ab-8432-8f6a199bd932.webp?v=1764910588</image:loc>
      <image:title>(1) Tested Strong GE 6AV5GA Tube Date Code 59-17 6AV5 GA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-admiral-6v6gt-tube-date-code-852-6v6-gt-tube-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_967f6b73-989f-4684-b6f9-5d417504c2d6.webp?v=1764910696</image:loc>
      <image:title>(1) Tested Strong Admiral 6V6GT Tube Date Code 852 6V6 GT Tube Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-12v6gt-tube-date-code-613-sylvania-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_33ca9364-9315-4023-abd1-302aa5b67822.webp?v=1764910766</image:loc>
      <image:title>(1) Tested Delco 12V6GT Tube Date Code 613 Sylvania EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-crosley-4bq7a-tube-silver-tipped-code-639-4bq7-a-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_7829b5f1-95fa-4ef7-9c23-cba332c2991f.webp?v=1764910832</image:loc>
      <image:title>(1) Tested Balanced Crosley 4BQ7A Tube Silver Tipped Code 639 4BQ7 A Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7c5-tube-date-code-p8-loktal-tube-beam-power-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_74c8c022-34b3-4251-972d-419abacd95aa.webp?v=1764910906</image:loc>
      <image:title>(1) Tested Philco 7C5 Tube Date Code P8 Loktal Tube Beam Power Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-jan-cg-6sj7y-tube-box-date-code-66-09-6sj7-mil-spec-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_e42fddec-edc1-4a7d-b464-5b5722ce6791.webp?v=1764911013</image:loc>
      <image:title>(1) Tested GE JAN CG 6SJ7Y Tube &amp; Box Date Code 66-09 6SJ7 Mil-Spec Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-32et5a-tube-beam-power-pentode-32et5-a-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_6acfb222-b6f8-4144-bd2d-e3d8c7441fd4.webp?v=1764911146</image:loc>
      <image:title>(1) Tested Silvertone 32ET5A Tube Beam Power Pentode 32ET5 A Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6b7-vt-68-tube-mil-spec-code-v2-ken-rad-pentode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_454882a7-1d9d-4a20-b7e6-301a4238885f.webp?v=1764911244</image:loc>
      <image:title>(1) Tested Ken-Rad 6B7 VT-68 Tube Mil Spec Code V2 Ken Rad Pentode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6cy7-tube-date-code-9-39-dual-triode-tube-sylvania-eia</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_9c427a35-3c5e-4196-838d-f71231f409fd.webp?v=1764911316</image:loc>
      <image:title>(1) Tested Zenith 6CY7 Tube Date Code 9-39 Dual Triode Tube Sylvania EIA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1n2a-tube-with-box-date-code-md-rca-1n2-a-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_f1aae02d-0cc0-4b7a-8e92-c1ae74c24f00.webp?v=1764911390</image:loc>
      <image:title>(1) Tested RCA 1N2A Tube with Box Date Code MD RCA 1N2 A Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-35l6gt-g-tube-code-6-30-ken-rad-35l6-gt-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_eec2e008-6f3c-41bd-9d47-55378b5d860b.webp?v=1764911451</image:loc>
      <image:title>(1) Tested Ken-Rad 35L6GT/G Tube Code 6-30 Ken Rad 35L6 GT G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6eb8-tube-general-electric-6gn8-high-mu-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_6c8316f6-10d2-4d02-806c-ac30e5d190fd.webp?v=1764911522</image:loc>
      <image:title>(1) Tested GE 6EB8 Tube General Electric 6GN8 High Mu Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6gy6-tube-made-in-japan-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_766d3ec9-3545-4247-b04f-256d22e1ff49.webp?v=1764911588</image:loc>
      <image:title>(1) Tested Silvertone 6GY6 Tube Made in Japan Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dj8-tube-date-code-mj-xx-d-made-in-holland-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_67e0c997-5390-4d63-ac59-bb57fc0ca623.webp?v=1764911673</image:loc>
      <image:title>(1) Tested RCA 6DJ8 Tube Date Code MJ XX-D Made in Holland Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-radiotron-type-56-tube-rca-56-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_18ca947d-dedf-493f-8594-f0db7f29e2f0.webp?v=1764911745</image:loc>
      <image:title>(1) Tested Very Strong RCA Radiotron Type 56 Tube RCA 56 Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-25z6gt-tube-date-code-k12-raytheon-25z6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_75e39f12-15e6-4879-8f48-080186443e42.webp?v=1764911814</image:loc>
      <image:title>(1) Tested Raytheon 25Z6GT Tube Date Code K12 Raytheon 25Z6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-6hb6-tube-with-box-date-code-ext-power-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_0f69d115-6cc8-4c32-b37c-c294e671c355.webp?v=1764911884</image:loc>
      <image:title>(1) Tested Strong Philco 6HB6 Tube with Box Date Code EXT Power Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-zenith-0z4-tube-with-box-date-code-64-39-gas-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_7c822c22-12f5-41ac-bf7d-dfa63831528c.webp?v=1764911933</image:loc>
      <image:title>(1) Tested Balanced Zenith 0Z4 Tube with Box Date Code 64-39 Gas Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-12bq6b-tube-date-code-bf-rca-12bq6-b-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_0c7cbe4b-822e-43fd-9b5f-379d9c1c88cb.webp?v=1764911998</image:loc>
      <image:title>(1) Tested Very Strong RCA 12BQ6B Tube Date Code BF RCA 12BQ6 B Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6u7g-tube-date-code-9x-remote-cutoff-pentode-6u7-g-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_dff2ef16-6c13-4fee-8703-36ba5b0e6422.webp?v=1764912064</image:loc>
      <image:title>(1) Tested Westinghouse 6U7G Tube Date Code 9X Remote Cutoff Pentode 6U7 G Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-2af4a-tube-date-code-61-13-medium-mu-triode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_55b7b2c1-3ebb-44f8-9eef-588bd9f88cb2.webp?v=1764912130</image:loc>
      <image:title>(1) Tested Westinghouse 2AF4A Tube Date Code 61-13 Medium Mu Triode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-6sl7gt-tube-black-plates-vt-229-yellow-font-6sl7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_1c36542a-79d3-4867-a4b6-34395efdb9c7.webp?v=1764912224</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 6SL7GT Tube Black Plates VT-229 Yellow Font 6SL7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au5gt-tube-date-code-304-rca-6au5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_3e3a996d-b08c-45ea-a0ec-2343283fe7c8.webp?v=1764913121</image:loc>
      <image:title>(1) Tested RCA 6AU5GT Tube Date Code 304 RCA 6AU5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6au5gt-tube-date-code-226-rca-eia-6au5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_964e61fb-bbcf-4cf2-99ee-f9a1fe15738a.webp?v=1764913205</image:loc>
      <image:title>(1) Tested Delco 6AU5GT Tube Date Code 226 RCA EIA 6AU5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-3ce5-tube-with-box-general-motors-delco-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_6e4bf8bf-3a0a-49b5-b596-08597e7b1b2a.webp?v=1764913290</image:loc>
      <image:title>(1) Tested GM Delco 3CE5 Tube with Box General Motors Delco Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1953-western-electric-6028-408a-tube-black-plates-square-get-code-339</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_40f9dcf8-d243-4694-96f1-bc17313211e5.webp?v=1764913360</image:loc>
      <image:title>(1) Tested 1953 Western Electric 6028 408A Tube Black Plates Square Get Code 339</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-7a6-tube-code-752-7a6-tube-loctal-twin-diode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_a4f96ed6-ce03-45f2-906f-55dbcf846d86.webp?v=1764913501</image:loc>
      <image:title>(1) Tested Raytheon 7A6 Tube Code 752 7A6 Tube Loctal Twin Diode Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12au7-tube-date-code-4-35-gray-plates-horseshoe-halo-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_5e3344fe-a01d-42ac-9217-d5449daef0f0.webp?v=1764913579</image:loc>
      <image:title>(1) Tested GE 12AU7 Tube Date Code 4-35 Gray Plates Horseshoe Halo Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6s8gt-tube-date-code-213-6s8-gt-tube-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_2b04e125-1ee0-4ad6-b795-98be6b83feef.webp?v=1764913703</image:loc>
      <image:title>(1) Tested 1952 Tung Sol 6S8GT Tube Date Code 213 6S8 GT Tube Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-5u8-tube-date-code-ka3-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_96f344c4-3cd0-46c9-aee7-e51c25bcffce.webp?v=1764913797</image:loc>
      <image:title>(1) Tested Tung Sol 5U8 Tube Date Code KA3 Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-of-1955-western-electric-399b-tubes-date-codes-513-pentodes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_61651241-b2aa-400c-832f-56320e3ede17.webp?v=1764913898</image:loc>
      <image:title>Tested Matched Pair of 1955 Western Electric 399B Tubes Date Codes 513 Pentodes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6ax4gtb-tube-box-date-code-j-22-japan-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_53482f50-5852-45a3-bbdb-bf31ee9b534b.webp?v=1764913983</image:loc>
      <image:title>(1) Tested Raytheon 6AX4GTB Tube &amp; Box Date Code J-22 Japan 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6-tube-rca-sharp-cut-off-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_d238f107-44b8-4eea-87bf-5d7b6733af33.webp?v=1764914107</image:loc>
      <image:title>(1) Tested RCA 6CB6 Tube RCA Sharp Cut Off Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-3-untested-western-electric-tubes-6141-427a-f-55789-hin-ks-21081-2d21</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_222c8290-899e-4b88-9675-204632114bd8.webp?v=1764914216</image:loc>
      <image:title>Lot of (3) Untested Western Electric Tubes 6141/427A F-55789 HIN KS-21081 (2D21)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6as11-tube-general-electric-6as11-dual-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_7bde87c7-9631-4af0-8122-ca4606a46b0b.webp?v=1764914407</image:loc>
      <image:title>(1) Tested GE 6AS11 Tube General Electric 6AS11 Dual Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-type-24a-tube-date-code-h2-m-r-rca-24-a-tube-sharp-cutoff-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_702396db-4fa9-4ed8-9574-1c21f76309a2.webp?v=1764914460</image:loc>
      <image:title>(1) Tested RCA Type 24A Tube Date Code H2 M-R RCA 24 A Tube Sharp Cutoff Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1953-western-electric-415a-tube-black-plate-square-getter-code-339</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_5d7eb65c-5ead-4611-8577-1d10989857b1.webp?v=1764914527</image:loc>
      <image:title>(1) Tested 1953 Western Electric 415A Tube Black Plate Square Getter Code 339</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jv8-tube-and-box-date-code-nj-general-electric-triode-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_1dbd4548-93d4-4b11-a790-e8c2ce709404.webp?v=1764914603</image:loc>
      <image:title>(1) Tested GE 6JV8 Tube and Box Date Code NJ General Electric Triode Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6ey6-tube-date-code-59-39-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_9c11c3df-579e-4403-9073-88fcecb80800.webp?v=1764914687</image:loc>
      <image:title>(1) Tested Motorola 6EY6 Tube Date Code 59-39 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-35b5-tube-beam-power-output-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_78347239-8ae6-42dd-ab7b-648930d48856.webp?v=1764914756</image:loc>
      <image:title>(1) Tested Philco 35B5 Tube Beam Power Output Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-19cl8a-tube-with-box-date-code-raa-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_32ef9ee3-b0a9-48d0-9655-e65278a0906f.webp?v=1764915994</image:loc>
      <image:title>(1) Tested Sylvania 19CL8A Tube with Box Date Code RAA Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cy5-tube-with-box-date-code-dc-screen-grid-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_c34d3053-d642-4195-9ced-47228df7f99f.webp?v=1764916048</image:loc>
      <image:title>(1) Tested RCA 6CY5 Tube with Box Date Code DC Screen Grid Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-12dq6b-tube-date-code-63-48-12dq6-b-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_f3f07839-9005-41ca-8469-bf1b78ff8cd4.webp?v=1764916117</image:loc>
      <image:title>(1) Tested Very Strong GE 12DQ6B Tube Date Code 63-48 12DQ6 B Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-7-untested-amperite-115n05-delay-relay-tubes-115no5-115v-5-second-delay</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_61c4b285-f375-4c32-909d-f109c5d9948c.webp?v=1764916181</image:loc>
      <image:title>Lot of (7) Untested Amperite 115N05 Delay Relay Tubes 115NO5 115V 5 Second Delay</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6at6-tube-date-code-50-26-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_8198411b-769e-4f4f-8189-10868bd6a1f5.webp?v=1764916294</image:loc>
      <image:title>(1) Tested Philco 6AT6 Tube Date Code 50-26 Twin Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12eg6-tube-with-box-date-code-nr-yau-pentagrid-heptode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_8b2635da-3e82-4ae2-afab-a7e1da4ac840.webp?v=1764916362</image:loc>
      <image:title>(1) Tested Sylvania 12EG6 Tube with Box Date Code NR YAU Pentagrid Heptode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12ax4gta-tube-with-box-date-code-5744-3-12ax4-gta-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_c97c89d6-ce25-45cc-8d25-3bef27632914.webp?v=1764916505</image:loc>
      <image:title>(1) Tested 1957 Tung Sol 12AX4GTA Tube with Box Code 5744-3 12AX4 GTA Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6du3-6dq3a-tube-with-box-date-code-76-22-zenith-6du3-6dq3a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_4df6a602-fa9a-4d7d-8361-60185ab2aba1.webp?v=1764916590</image:loc>
      <image:title>(1) Tested Zenith 6DU3/6DQ3A Tube with Box Date Code 76-22 Zenith 6DU3 6DQ3A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6jc6a-tube-with-box-date-code-cs-6jc6-a-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_df3b0868-2922-4c56-b6e4-7f2294eafbac.webp?v=1764916860</image:loc>
      <image:title>(1) Tested Strong GE 6JC6A Tube with Box Date Code CS 6JC6 A Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12av6-tube-date-code-58-48-general-electric-12av6-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_dd39d245-5cec-4fdf-a547-747394edd267.webp?v=1764916951</image:loc>
      <image:title>(1) Tested GE 12AV6 Tube Date Code 58-48 General Electric 12AV6 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6080-tube-code-3-04-black-plate-rca-6080-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_c37d9b27-fd2a-41f9-b01f-4bc3918b00e4.webp?v=1764917035</image:loc>
      <image:title>(1) Tested Balanced RCA 6080 Tube Code 3-04 Black Plate RCA 6080 Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35l6gt-tube-date-code-1-09-general-electric-35l6-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_0763d710-deb0-47ad-8d78-5012665a213b.webp?v=1764917116</image:loc>
      <image:title>(1) Tested GE 35L6GT Tube Date Code 1-09 General Electric 35L6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1c6-tube-date-code-735-general-electric-1c6-tube-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_4ef464ea-09aa-4b2e-a2d9-28b24453c063.webp?v=1764917204</image:loc>
      <image:title>(1) Tested GE 1C6 Tube Date Code 735 General Electric 1C6 Tube with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6gh8a-tube-with-box-date-code-70-22-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_c171cc1a-eb42-4f0d-991d-4566e7244f39.webp?v=1764917336</image:loc>
      <image:title>(1) Tested Westinghouse 6GH8A Tube with Box Date Code 70-22 Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1k3-1j3-tube-with-box-date-code-bx-rca-1k3-tube-rca-1j3-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_6fec9ee9-fb67-462b-b97c-69a01be5a29f.webp?v=1764917440</image:loc>
      <image:title>(1) Tested RCA 1K3/1J3 Tube with Box Date Code BX RCA 1K3 Tube RCA 1J3 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6at6-tube-date-code-lq-twin-diode-high-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_36c6df98-603a-475d-a7c0-8c95f92d126d.webp?v=1764917536</image:loc>
      <image:title>(1) Tested RCA 6AT6 Tube Date Code LQ Twin Diode High Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6l6gb-tube-date-code-mlu-fa-6l6-gb-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_95051a7a-9577-4558-b1d9-6d43756f74e1.webp?v=1764917588</image:loc>
      <image:title>(1) Tested Sylvania 6L6GB Tube Date Code MLU FA 6L6 GB Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ak6-tube-and-box-date-code-6152-power-amplifier-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_0c5b0cc3-eb68-4dc8-a9b2-a41d25865d9e.webp?v=1764917663</image:loc>
      <image:title>(1) Tested RCA 6AK6 Tube and Box Date Code 6152 Power Amplifier Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12al5-tube-with-box-date-code-60-17-general-electric-twin-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_be7d7ece-02ed-45d8-bf89-e33e62446b30.webp?v=1764917744</image:loc>
      <image:title>(1) Tested GE 12AL5 Tube with Box Date Code 60-17 General Electric Twin Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6ak6-tube-box-code-nhk-power-amplifier-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_2f66942f-fb08-4886-bfd5-ac2c1681c835.webp?v=1764917873</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AK6 Tube &amp; Box Code NHK Power Amplifier Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cy5-tube-with-box-date-code-bf-sharp-cutoff-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-1_50786016-45e5-4a94-9132-4b617f20ea6b.webp?v=1764918122</image:loc>
      <image:title>(1) Tested RCA 6CY5 Tube with Box Date Code BF Sharp Cutoff Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6jw8-tube-date-code-81-09-triode-and-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_d236303a-d0fa-4e95-a88b-28c3a9de22d3.webp?v=1764918321</image:loc>
      <image:title>(1) Tested Westinghouse 6JW8 Tube Date Code 81-09 Triode and Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1958-western-electric-352a-tube-date-code-5839-duo-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_24cbf70e-d0f4-44bd-a437-0e8e4418689f.webp?v=1764918460</image:loc>
      <image:title>(1) Tested 1958 Western Electric 352A Tube Date Code 5839 Duo Diode Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bj6-tube-date-code-hy-general-electric-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_7ba252b2-cede-4203-981b-a4996837f09f.webp?v=1764918543</image:loc>
      <image:title>(1) Tested GE 6BJ6 Tube Date Code HY General Electric Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-motorola-12al5-tube-with-box-code-59-04-twin-diode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_bd87b156-cd52-41ba-aa9b-ddab9036d21e.webp?v=1764918628</image:loc>
      <image:title>(1) Tested Balanced Motorola 12AL5 Tube with Box Code 59-04 Twin Diode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ju8a-tube-date-code-7-43-6ju8-a-quadruple-diode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_2e4d5ec8-03d3-4083-aadd-97152ead282c.webp?v=1764918690</image:loc>
      <image:title>(1) Tested Zenith 6JU8A Tube Date Code 7-43 6JU8 A Quadruple Diode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6da4a-tube-box-date-code-kv-general-electric-6da4-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_d5eecafb-4b0f-4828-aeb9-d7485a28ce06.webp?v=1764918757</image:loc>
      <image:title>(1) Tested Very Strong GE 6DA4A Tube &amp; Box Date Code KV General Electric 6DA4 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5823-tube-with-box-date-code-6243-cold-cathode-thyratron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_f0c178c2-f5bd-4133-9a3c-7a77d26b6537.webp?v=1764918835</image:loc>
      <image:title>(1) Tested RCA 5823 Tube with Box Date Code 6243 Cold Cathode Thyratron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ak6-tube-with-box-date-code-4-04-power-amplifier-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_55fd18b4-578a-4537-82cb-c1b6f5c63ad9.webp?v=1764918929</image:loc>
      <image:title>(1) Tested RCA 6AK6 Tube with Box Date Code 4-04 Power Amplifier Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-rca-jan-crc-12sf7-tube-with-box-mil-spec-date-code-h3e-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_60c785ed-669f-498f-9c8c-fbb122a42a05.webp?v=1764919018</image:loc>
      <image:title>(1) Tested 1944 RCA JAN CRC 12SF7 Tube with Box Mil Spec Date Code H3E (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-32l7gt-tube-black-glass-date-code-7-13-32l7-gt-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_fca26719-94d9-4f15-8f89-39c6f25e9f21.webp?v=1764919086</image:loc>
      <image:title>(1) Tested 1957 Sylvania 32L7GT Tube Black Glass Date Code 7-13 32L7 GT Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-ck-5654-6ak5w-tube-with-box-ck5654-6ak5w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_fa232825-e375-49c7-ae80-8b8ea4983294.webp?v=1764919346</image:loc>
      <image:title>(1) Tested Raytheon CK 5654 6AK5W Tube with Box CK5654/6AK5W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6dt6-tube-and-box-date-code-67-18-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_4f8bfd6a-0fcb-41cc-8d9d-d5ac9fa7b658.webp?v=1764919420</image:loc>
      <image:title>(1) Tested Philco 6DT6 Tube and Box Date Code 67-18 Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aw8a-tube-with-box-date-code-bh-6aw8-a-triode-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_fb516fb0-d2f3-43e6-a5c6-f2098710c9e5.webp?v=1764919559</image:loc>
      <image:title>(1) Tested RCA 6AW8A Tube with Box Date Code BH 6AW8 A Triode Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bw4-tube-full-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_7df2e757-22ac-45ba-ae44-bfca116b3fc2.webp?v=1764919615</image:loc>
      <image:title>(1) Tested RCA 6BW4 Tube Full Wave Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ka8-tube-with-box-date-code-raa-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_b3ff8ba5-bd8f-45bb-9197-554bf6897f96.webp?v=1764919701</image:loc>
      <image:title>(1) Tested Sylvania 6KA8 Tube with Box Date Code RAA Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12cu5-12c5-tube-with-box-code-ce-general-electric-12cu5-12c5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_30fa4f04-6a56-4db8-8be6-c4e66e36a82d.webp?v=1764919952</image:loc>
      <image:title>(1) Tested GE 12CU5/12C5 Tube with Box Code CE General Electric 12CU5 12C5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6jh8-tube-with-box-date-code-76-43-beam-deflection-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_a561dcda-3c66-497e-bd2b-de66617b227a.webp?v=1764920748</image:loc>
      <image:title>(1) Tested Zenith 6JH8 Tube with Box Date Code 76-43 Beam Deflection Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6at6-tube-date-code-50-13-dual-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_83d1d95f-db69-4828-bc60-e6efe04e6e63.webp?v=1764920817</image:loc>
      <image:title>(1) Tested Philco 6AT6 Tube Date Code 50-13 Dual Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6jw8-tube-date-code-81-09-triode-tube-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_cb354d09-a60a-4747-8c35-fa157abe9154.webp?v=1764920887</image:loc>
      <image:title>(1) Tested Westinghouse 6JW8 Tube Date Code 81-09 Triode Tube Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k6gt-tube-date-code-3-17-general-electric-6k6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_e88b4638-2709-4d71-aef2-f27653074644.webp?v=1764920953</image:loc>
      <image:title>(1) Tested GE 6K6GT Tube Date Code 3-17 General Electric 6K6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6ke8-tube-made-in-japan-code-80-04-triode-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_490726bd-25a7-41b0-a8fd-b8302cf18dc8.webp?v=1764921018</image:loc>
      <image:title>(1) Tested Westinghouse 6KE8 Tube Made in Japan Code 80-04 Triode Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6au4gta-tube-date-code-nv-general-electric-6au4-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_c00949de-fdd2-4fab-b02d-089ad18f5c9e.webp?v=1764921082</image:loc>
      <image:title>(1) Tested Strong GE 6AU4GTA Tube Date Code NV General Electric 6AU4 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-5651-tube-with-box-code-acy-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_24647bcc-cb09-409c-8955-a89b3af0c469.webp?v=1764921148</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 5651 Tube with Box Code ACY Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-untested-rca-1p40-tube-date-code-72-26-gas-phototube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_5f9dc604-f322-4399-baf2-85d0190f37d2.webp?v=1764921207</image:loc>
      <image:title>(1) Untested RCA 1P40 Tube Date Code 72-26 Gas Phototube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-16a8-pcl82-tube-great-britain-date-code-nr-kau-16a8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_ffbd9b22-7388-4e17-91e4-d0fde3b4b8c2.webp?v=1764921287</image:loc>
      <image:title>(1) Tested Sylvania 16A8/PCL82 Tube Great Britain Date Code NR KAU 16A8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bw4-tube-code-lw-general-electric-full-wave-rectifier-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_56735b9f-7b4f-4b88-ade7-48c340c94f09.webp?v=1764921370</image:loc>
      <image:title>(1) Tested GE 6BW4 Tube Code LW General Electric Full Wave Rectifier Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-6bq5-tube-date-code-6421-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_51dc98d5-d20f-40ac-b7c2-d972d4ea73fe.webp?v=1764921429</image:loc>
      <image:title>(1) Tested Strong 1964 Philco 6BQ5 Tube Date Code 6421 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cd6g-tube-date-code-al-sylvania-6cd6-g-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_6ccc7a87-26b2-41ae-a215-2abffdb6aef7.webp?v=1764921494</image:loc>
      <image:title>(1) Tested 1954 Sylvania 6CD6G Tube Code AL Sylvania 6CD6 G Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/antique-vintage-black-raymaster-275545-uv-bulbs-lamps-5873-george-gates-co</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_51c032b7-d29b-4fc8-8dce-b71b836c270c.webp?v=1764921583</image:loc>
      <image:title>Antique Vintage Black Raymaster 275545 UV Bulbs Lamps 5873 George Gates &amp; Co</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6ew6-tube-date-code-3-26-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_067cdb79-effc-43c7-a0e8-8c189ba9a508.webp?v=1764921814</image:loc>
      <image:title>(1) Tested Magnavox 6EW6 Tube Date Code 3-26 Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cy7-tube-with-box-date-code-my-general-electric-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_c1e12bc5-2abc-4d03-bebb-3096f8c99b76.webp?v=1764921887</image:loc>
      <image:title>(1) Tested GE 6CY7 Tube with Box Date Code MY General Electric Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6jv8-tube-with-box-date-code-nr-aaa-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_d0036256-ff2f-4360-b6ec-66a3c5b4e908.webp?v=1764921963</image:loc>
      <image:title>(1) Tested Sylvania 6JV8 Tube with Box Date Code NR AAA Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6jc8-tube-with-box-date-code-nr-ecw-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_dcd9bfa1-4b7c-4ba1-8eb4-dda634f9f049.webp?v=1764922085</image:loc>
      <image:title>(1) Tested Strong Sylvania 6JC8 Tube with Box Date Code NR ECW Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6dt6-tube-with-box-date-code-67-18-pentode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_0ac56f81-e53c-479b-bde3-673ce980c1f7.webp?v=1764960376</image:loc>
      <image:title>(1) Tested Philco 6DT6 Tube with Box Date Code 67-18 Pentode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-type-56-tube-date-code-626-general-electric-56-tube-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_eb749683-d76d-4fc2-b823-9be9bc03f1c8.webp?v=1765346270</image:loc>
      <image:title>(1) Tested Strong GE Type 56 Tube Date Code 626 General Electric 56 Tube Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6sf7-tube-date-code-v2e-rca-mil-spec-diode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_2f2ccbee-1076-46d7-98a2-bbaf0f3af13a.webp?v=1765346401</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6SF7 Tube Date Code V2E RCA Mil Spec Diode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6by6-tube-date-code-7r22-pentagrid-amplifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_9b48588e-084f-430f-85b9-1d5eaa5fb6c4.webp?v=1765346465</image:loc>
      <image:title>(1) Tested Westinghouse 6BY6 Tube Date Code 7R22 Pentagrid Amplifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-1967-western-electric-415a-tubes-codes-6713-6726</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_d179e180-e166-4b37-b5e7-0921e47cea17.webp?v=1765346535</image:loc>
      <image:title>Tested Matched Balanced Pair 1967 Western Electric 415A Tubes Codes 6713 &amp; 6726</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-12az7a-tube-black-plates-halo-date-code-ib-aag</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_9742cde2-37b2-4d60-af00-328bf2a3210d.webp?v=1765346602</image:loc>
      <image:title>(1) Tested Balanced Sylvania 12AZ7A Tube Black Plates Halo Date Code ib AAG</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-4bq7a-tube-date-code-ig-aag-4bq7-a-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_23cc0f2f-667a-4efb-9b5b-a101bf25ee79.webp?v=1765346702</image:loc>
      <image:title>(1) Tested Sylvania 4BQ7A Tube Date Code ig AAG 4BQ7 A Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6em5-tubes-with-boxes-date-codes-fn-beam-power-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_2e347a9f-95c2-4523-9646-bd094cf7fe0d.webp?v=1765346775</image:loc>
      <image:title>Tested Matched Pair RCA 6EM5 Tubes with Boxes Date Codes FN Beam Power Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6jc8-tube-date-code-nr-jag-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_47cb2d94-10ce-44e2-bc7d-29b772b2fbf3.webp?v=1765346868</image:loc>
      <image:title>(1) Tested Strong Sylvania 6JC8 Tube Date Code NR JAG Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-12al5-tube-with-box-date-code-59-04-dual-diode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_177a98ef-01a5-44a8-a5e8-b6fcf8c67f51.webp?v=1765346943</image:loc>
      <image:title>(1) Tested Motorola 12AL5 Tube with Box Date Code 59-04 Dual Diode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-25c5-tube-date-code-7r39-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_7b6f6304-daac-4bef-8190-9123c9361fbf.webp?v=1765347008</image:loc>
      <image:title>(1) Tested Westinghouse 25C5 Tube Date Code 7R39 Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ju8a-tube-with-box-date-code-hd-6ju8-a-quadruple-diode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_20143728-82b3-465d-b0ea-e30d11f9daf5.webp?v=1765347076</image:loc>
      <image:title>(1) Tested RCA 6JU8A Tube with Box Date Code HD 6JU8 A Quadruple Diode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cg7-tube-with-box-code-5-52-black-plates-horsehoe-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_cf9c1a04-9ae6-41df-a629-9a7a080498fc.webp?v=1765347145</image:loc>
      <image:title>(1) Tested RCA 6CG7 Tube with Box Code 5-52 Black Plates Horsehoe Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6bw4-tube-date-code-lw-full-wave-rectifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_04867a1e-84a1-473b-9c35-bb7dfd713d32.webp?v=1765347227</image:loc>
      <image:title>(1) Tested Balanced GE 6BW4 Tube Date Code LW Full Wave Rectifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-untested-amperite-12n030-delay-relay-tube-12no30-12v-open-30-second-delay</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_67ccdd74-31a0-42c6-98c6-7e9617ef5c68.webp?v=1765347288</image:loc>
      <image:title>(1) Untested Amperite 12N030 Delay Relay Tube 12NO30 12V Open 30 Second Delay</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-50b5-tube-date-code-61-13-50b5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_67b4e709-62db-4b57-9d55-63d4952617db.webp?v=1765347345</image:loc>
      <image:title>(1) Tested Very Strong GE 50B5 Tube Date Code 61-13 50B5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au6a-tube-date-code-kl-anr-sylvania-6au6-a-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_47216918-ac0d-41df-a591-a5b191f7fbd1.webp?v=1765347409</image:loc>
      <image:title>(1) Tested Sylvania 6AU6A Tube Date Code kl ANR Sylvania 6AU6 A Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1950-western-electric-jw-6ak5-403a-tube-code-026-square-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_e0e5c4a7-850b-451f-87cd-c51e530be29b.webp?v=1765347476</image:loc>
      <image:title>(1) Tested 1950 Western Electric JW 6AK5 403A Tube Code 026 Square Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6ak6-tube-with-box-code-nhk-power-amplifier-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_e0d9fcba-9635-4a26-a0c4-c4046a436b6e.webp?v=1765347548</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AK6 Tube with Box Code NHK Power Amplifier Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ak6-tube-and-box-date-code-nhk-power-amplifier-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_f01c7596-89f0-4993-a51c-2dee3991d875.webp?v=1765347621</image:loc>
      <image:title>(1) Tested RCA 6AK6 Tube and Box Date Code NHK Power Amplifier Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-25z6gt-tube-date-code-1-13-general-electric-25z6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_ab83dcfb-b26c-4515-b531-d662ce95c7e2.webp?v=1765347681</image:loc>
      <image:title>(1) Tested Strong GE 25Z6GT Tube Date Code 1-13 General Electric 25Z6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-emerson-0z4-tube-date-code-ytv-gas-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_f050db84-f120-4fd8-b133-4dea3b7f110e.webp?v=1765347734</image:loc>
      <image:title>(1) Tested Balanced Emerson 0Z4 Tube Date Code YTV Gas Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-5727-tube-rca-5727-gas-thyratron-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_553ce047-8beb-4a80-8977-1c8e884354a5.webp?v=1765347796</image:loc>
      <image:title>(1) Tested Strong RCA 5727 Tube RCA 5727 Gas Thyratron Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6ke8-tube-made-in-japan-code-80-04-triode-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_8d962128-0987-4efc-812b-a48969eabd09.webp?v=1765347866</image:loc>
      <image:title>(1) Tested Westinghouse 6KE8 Tube Made in Japan Code 80-04 Triode Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-dumont-6j6-tube-with-box-date-code-57-43-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-1_fb43e584-a80b-464b-9e04-79819a73d929.webp?v=1765348942</image:loc>
      <image:title>(1) Tested Strong Dumont 6J6 Tube with Box Date Code 57-43 Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6ak6-tube-with-box-date-code-6422-power-amplifier-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_dd6776b2-9600-45a4-97f3-f5a1f1a80527.webp?v=1765349004</image:loc>
      <image:title>(1) Tested Strong RCA 6AK6 Tube with Box Date Code 6422 Power Amplifier Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6cy5-tube-with-box-date-code-gk-bdt-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_e30635f3-c8ac-41a4-9196-f2922d713fe1.webp?v=1765349137</image:loc>
      <image:title>(1) Tested Strong Sylvania 6CY5 Tube with Box Date Code GK BDT Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-realistic-8fq7-8cg7-tube-made-in-japan-8fq7-tube-8cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_3cc4ee31-b94f-48f4-a6b4-d7fa38f773e6.webp?v=1765349195</image:loc>
      <image:title>(1) Tested Realistic 8FQ7/8CG7 Tube Made in Japan 8FQ7 Tube 8CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6cu5-with-box-date-code-el-gray-plate-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_0974db46-72d6-49a6-a410-b98f9fbd0f91.webp?v=1765349270</image:loc>
      <image:title>(1) Tested Very Strong GE 6CU5 with Box Date Code EL Gray Plate Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1946-western-electric-jw-5847-tube-black-plates-square-get-code-652</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_769b33fb-1262-4008-9828-6aed22a33c4e.webp?v=1765349329</image:loc>
      <image:title>(1) Tested 1946 Western Electric JW 5847 Tube Black Plates Square Get Code 652</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cu5-with-box-date-code-fh-aby-black-plate-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_a44d1305-5881-4105-822b-3a1576819372.webp?v=1765349397</image:loc>
      <image:title>(1) Tested Sylvania 6CU5 with Box Date Code fh ABY Black Plate Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6dt6a-tube-with-box-date-code-cd-adc-6dt6-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_41c551ff-48bb-4dad-a6a1-4035b9d28326.webp?v=1765349465</image:loc>
      <image:title>(1) Tested Sylvania 6DT6A Tube with Box Date Code cd ADC 6DT6 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-1la4-tube-with-box-date-code-u1-power-pentode-loktal-loctal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_27b60941-6250-4439-8123-a816f0e84bb9.webp?v=1765349551</image:loc>
      <image:title>(1) Tested Philco 1LA4 Tube with Box Date Code U1 Power Pentode Loktal Loctal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jv8-tube-and-box-date-code-nj-general-electric-triode-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_0efa78c1-c2be-4046-ac79-bf9495ce301e.webp?v=1765349622</image:loc>
      <image:title>(1) Tested GE 6JV8 Tube and Box Date Code NJ General Electric Triode Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-ge-6080-tubes-codes-ku-general-electric-type-6080-triodes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_b38bffbd-3cbc-4c69-8834-5a96861291d9.webp?v=1765349684</image:loc>
      <image:title>Tested Matched Pair GE 6080 Tubes Codes KU General Electric Type 6080 Triodes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-3a3a-tube-date-code-68-17-zenith-3a3-a-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_5e136f8d-86b9-4fb5-8d5b-78ed966b8833.webp?v=1765349756</image:loc>
      <image:title>(1) Tested Zenith 3A3A Tube Date Code 68-17 Zenith 3A3 A Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ju8a-tube-with-box-6ju8-a-date-code-hd-quadruple-diode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_d17d3c84-d866-43d3-a8e0-0eca3b7c9774.webp?v=1765349838</image:loc>
      <image:title>(1) Tested RCA 6JU8A Tube with Box 6JU8 A Date Code HD Quadruple Diode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cx8-tube-with-box-date-code-cr-medium-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_ec51f3dc-5f28-41d5-9ca0-f24c48affd1d.webp?v=1765349911</image:loc>
      <image:title>(1) Tested RCA 6CX8 Tube with Box Date Code CR Medium Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_78f59fb0-7622-43b7-9ce3-96431f5bc35b.webp?v=1765349971</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-12al5-tube-with-box-date-code-5152-double-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_7ae4bcba-f2c9-414c-bda5-9a14a100da65.webp?v=1765350059</image:loc>
      <image:title>(1) Tested National Union 12AL5 Tube with Box Date Code 5152 Double Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-10cw-ll86-tube-code-lm-ace-sylvania-10cw5-tube-ll86-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_6a6bcacc-65d4-43af-b5f6-41d501690166.webp?v=1765350160</image:loc>
      <image:title>(1) Tested Sylvania 10CW/LL86 Tube Code Lm ACE Sylvania 10CW5 Tube LL86 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ke8-tube-with-box-date-code-bd-dhb-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_976ebab6-58bf-4f11-8813-6e7351049c68.webp?v=1765350222</image:loc>
      <image:title>(1) Tested Sylvania 6KE8 Tube with Box Date Code bd DHB Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-balanced-nos-mullard-ez80-6v4-tube-code-kc1-b1f-6v4-tube-ez80</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_f4ec02e3-4a5e-4ce9-9d53-414bd16853f9.webp?v=1765350291</image:loc>
      <image:title>(1) Tested Strong Balanced NOS Mullard EZ80/6V4 Tube Code KC1 B1F 6V4 Tube EZ80</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-type-27-tube-date-code-a8-medium-mu-triode-27-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_24f8a809-bc08-44e2-b81a-2150c88fe08b.webp?v=1765350350</image:loc>
      <image:title>(1) Tested Delco Type 27 Tube Date Code A8 Medium Mu Triode 27 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-54ag-radio-tube-socket-adapter-for-1a7-tube-to-1r5-tube-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_43714c01-ab28-4ad3-8cbd-0e6ae40a73b9.webp?v=1765350417</image:loc>
      <image:title>Vintage JFD Sockette 54AG Radio Tube Socket Adapter For 1A7 Tube to 1R5 Tube (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3cs6-tube-date-code-vkh-pentagrid-amplifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-99_ef9dadc2-1a1f-4e9a-b527-f5f908c89f4c.webp?v=1765350515</image:loc>
      <image:title>(1) Tested Sylvania 3CS6 Tube Date Code VKH Pentagrid Amplifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6cu5-with-box-date-code-fj-gray-plate-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-2_361f5ab3-8db0-4e02-994f-70ae2c224172.webp?v=1765350909</image:loc>
      <image:title>(1) Tested Very Strong GE 6CU5 with Box Date Code FJ Gray Plate Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1958-western-electric-404a-tube-black-plates-square-getter-code-5852</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_c12373df-98e5-4e1e-b39b-13d49897f760.webp?v=1765350964</image:loc>
      <image:title>(1) Tested 1958 Western Electric 404A Tube Black Plates Square Getter Code 5852</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6hb6-tube-with-box-date-code-nr-yax-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_80b0da9c-c2ba-44a6-8863-acb75ac3bacc.webp?v=1765351034</image:loc>
      <image:title>(1) Tested Sylvania 6HB6 Tube with Box Date Code NR YAX Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-12v6gt-tube-date-code-5-13-ge-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_17ea3e13-453f-4841-8948-235b4c19637a.webp?v=1765351095</image:loc>
      <image:title>(1) Tested Delco 12V6GT Tube Date Code 5-13 GE EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-12w6gt-tube-with-box-date-code-aak-12w6-gt-sylvania-eia-code</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_42789625-1223-450a-8264-1d865566eee1.webp?v=1765351163</image:loc>
      <image:title>(1) Tested Zenith 12W6GT Tube with Box Date Code AAK 12W6 GT Sylvania EIA Code</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3cf6-tube-date-code-raa-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_a5d0ad24-1262-48f5-a387-d21605427113.webp?v=1765351231</image:loc>
      <image:title>(1) Tested Sylvania 3CF6 Tube Date Code RAA Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6k7-tube-date-code-a-7-ken-rad-6k7-pentode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_6fb50f58-aaa4-44b8-9938-2fad64b05d67.webp?v=1765351289</image:loc>
      <image:title>(1) Tested Ken-Rad 6K7 Tube Date Code A-7 Ken Rad 6K7 Pentode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-olympic-12by7a-tube-date-code-k3e-sharp-cutoff-pentode-12by7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_6a932bb8-2d6b-4504-8f6c-bb01853e7ba6.webp?v=1765391798</image:loc>
      <image:title>(1) Tested Olympic 12BY7A Tube Date Code K3E Sharp Cutoff Pentode 12BY7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-teltron-35l6gt-tube-teltron-35l6-gt-g-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_53758068-58ef-422b-8679-c969d60ec967.webp?v=1765391873</image:loc>
      <image:title>(1) Tested Teltron 35L6GT Tube Teltron 35L6 GT G Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-5726-tube-five-star-code-7-33-general-electric-5726</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_b84cd7b5-e863-48fb-b549-81e95b8aed15.webp?v=1765391935</image:loc>
      <image:title>(1) Tested Balanced GE 5726 Tube Five Star ☆☆☆☆☆ Code 7-33 General Electric 5726</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ac7-tube-date-code-352-rca-6ac7-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_08e19bd2-2ea5-4238-9d27-67057ea6e79f.webp?v=1765391997</image:loc>
      <image:title>(1) Tested RCA 6AC7 Tube Date Code 352 RCA 6AC7 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6cu5-box-date-code-nf-gray-plate-power-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_a3415000-fc99-4d72-a03a-74ee9703ba62.webp?v=1765392197</image:loc>
      <image:title>(1) Tested Very Strong GE 6CU5 &amp; Box Date Code NF Gray Plate Power Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ka8-tube-with-box-date-code-gj-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_316e7702-e5bd-4c10-a007-d63c08ff28c0.webp?v=1765392277</image:loc>
      <image:title>(1) Tested RCA 6KA8 Tube with Box Date Code GJ Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ba11-tube-with-box-date-code-6405-triode-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_56d24cae-68e8-4a43-b12e-da1b6053e84e.webp?v=1765392340</image:loc>
      <image:title>(1) Tested Zenith 6BA11 Tube with Box Date Code 6405 Triode Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cg7-tube-green-letters-gray-plates-horseshoe-getter-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_cf88d3fb-8403-4ad5-a8f7-cb1ac3bef1bd.webp?v=1765392528</image:loc>
      <image:title>(1) Tested GE 6CG7 Tube Green Letters Gray Plates Horseshoe Getter Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au6-tube-date-code-504-rca-6au6-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_2eda311b-9af7-4b4a-a056-d1491d677cc0.webp?v=1765392591</image:loc>
      <image:title>(1) Tested RCA 6AU6 Tube Date Code 504 RCA 6AU6 Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jv8-tube-with-box-high-mu-triode-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_bf1b12f3-2936-4039-b8ab-1a89d70d7e55.webp?v=1765392650</image:loc>
      <image:title>(1) Tested RCA 6JV8 Tube with Box High Mu Triode Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12jn8-tube-with-box-date-code-yaa-triode-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_7328b19f-fbd0-4720-85ab-c797cef01cd2.webp?v=1765392709</image:loc>
      <image:title>(1) Tested Sylvania 12JN8 Tube with Box Date Code YAA Triode Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aw8a-tube-and-box-date-code-bh-6aw8-a-high-mu-triode-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_e41c248d-e49e-4430-84fe-edf0e6dc0070.webp?v=1765392775</image:loc>
      <image:title>(1) Tested RCA 6AW8A Tube and Box Date Code BH 6AW8 A High Mu Triode Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jv8-tube-and-box-date-code-bz-triode-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_2f6d8bd2-82e3-433e-8719-2fd449c2134a.webp?v=1765392836</image:loc>
      <image:title>(1) Tested RCA 6JV8 Tube and Box Date Code BZ Triode Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5651-tube-with-box-date-code-6226-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_364167ee-4bb3-43af-9ed6-a9f80af4d6ae.webp?v=1765392893</image:loc>
      <image:title>(1) Tested RCA 5651 Tube with Box Date Code 6226 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6b7-tube-date-code-643-rca-twin-diode-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_4e3435c6-f48e-4dcc-abdd-ff61ab065296.webp?v=1765392954</image:loc>
      <image:title>(1) Tested RCA 6B7 Tube Date Code 643 RCA Twin Diode Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-3-1943-western-electric-726b-tubes-and-boxes-tuned-oscillator-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_5c1e7344-909c-4ac0-a6fe-9f0c6e3c8ef4.webp?v=1765393043</image:loc>
      <image:title>Lot of (3) 1943 Western Electric 726B Tubes and Boxes Tuned Oscillator Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cu5-with-box-date-code-hg-edf-black-plate-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_45b13362-8290-4196-97d7-dd2109d4a4fc.webp?v=1765393367</image:loc>
      <image:title>(1) Tested Sylvania 6CU5 with Box Date Code HG EDF Black Plate Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cx8-tube-with-box-date-code-dm-medium-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_8cf20f19-b3cd-4579-88a6-57d235a826ac.webp?v=1765393429</image:loc>
      <image:title>(1) Tested RCA 6CX8 Tube with Box Date Code DM Medium Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6a-tube-sharp-cut-off-pentode-rca-6cb6-a-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_1f6d6c1a-cd1c-4933-a47f-9f9dcef3197d.webp?v=1765393485</image:loc>
      <image:title>(1) Tested RCA 6CB6A Tube Sharp Cut Off Pentode RCA 6CB6 A Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6x8-tube-with-box-date-code-4-52-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_cf789472-7383-4861-8ab9-0ae91f3911a5.webp?v=1765394464</image:loc>
      <image:title>(1) Tested RCA 6X8 Tube with Box Date Code 4-52 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-2cy5-tube-with-box-date-code-11-63-rad-tel-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_1143bcaa-f7d1-4c53-8314-89e788df9f46.webp?v=1765394536</image:loc>
      <image:title>(1) Tested Rad-Tel 2CY5 Tube with Box Date Code 11-63 Rad Tel Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1t4-tube-general-electric-1t4-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_c9022deb-62a6-4ceb-bca7-b7600d89cf02.webp?v=1765394592</image:loc>
      <image:title>(1) Tested GE 1T4 Tube General Electric 1T4 Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-jkr-9003-tube-vt-203-date-code-sc9614-mil-spec-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_ea4373ff-855d-4ac9-8e05-2b40c22e2ba9.webp?v=1765394651</image:loc>
      <image:title>(1) Tested Ken Rad JKR 9003 Tube VT-203 Date Code SC9614 Mil Spec Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-50l6gt-tube-with-original-box-date-code-m04-50l6-gt-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_d4987503-bc8c-411e-9995-2fec5be17eca.webp?v=1765394734</image:loc>
      <image:title>(1) Tested Raytheon 50L6GT Tube with Original Box Date Code M04 50L6 GT Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ju8a-tube-with-box-date-code-gf-6ju8-a-quadruple-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_b46f2821-8d5d-4760-a4c8-be96a8a0d321.webp?v=1765394804</image:loc>
      <image:title>(1) Tested RCA 6JU8A Tube with Box Date Code GF 6JU8 A Quadruple Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jh8-tube-and-box-date-code-eh-beam-deflection-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_6f4a1d1c-d006-49e3-b5fc-a2df3e144d5c.webp?v=1765394929</image:loc>
      <image:title>(1) Tested RCA 6JH8 Tube and Box Date Code EH Beam Deflection Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25eh5-tube-date-code-nk-general-electric-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_87bd265f-39fb-4cb1-946c-9188eb3ece1c.webp?v=1765394994</image:loc>
      <image:title>(1) Tested GE 25EH5 Tube Date Code NK General Electric Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu5-box-date-code-nf-gray-plate-power-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_f599ecad-3501-4e6d-9758-50fae01e419e.webp?v=1765395060</image:loc>
      <image:title>(1) Tested GE 6CU5 &amp; Box Date Code NF Gray Plate Power Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jrc-3q4-tube-with-us-army-us-navy-box-date-code-9-43-rca-3q4-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_ea125e61-23c0-48f9-8fb2-bdcabd96d759.webp?v=1765395134</image:loc>
      <image:title>(1) Tested RCA JRC 3Q4 Tube with US Army US Navy Box Date Code 9-43 RCA 3Q4 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3au6-tube-date-code-et-with-original-box-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_8fcfae50-93b3-47eb-a3fb-2d6bae7ac37d.webp?v=1765395202</image:loc>
      <image:title>(1) Tested RCA 3AU6 Tube Date Code ET with Original Box Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-balanced-sylvania-25z5-tubes-with-boxes-codes-6-39-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_0096cb08-ef5d-4f0b-a9f7-eadc0f9c870a.webp?v=1765395283</image:loc>
      <image:title>Tested Matched Pair Balanced 1956 Sylvania 25Z5 Tubes Boxes Codes 6-39 Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cy5-tube-with-box-date-code-ha-abo-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_f15191f5-44f5-40b6-9ff7-870560523042.webp?v=1765395421</image:loc>
      <image:title>(1) Tested Sylvania 6CY5 Tube with Box Date Code ha ABO Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-4a-radio-tube-socket-adapter-for-1c5gt-tube-to-3c5gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_4a9c2564-f22a-4215-bc28-f557b6c26495.webp?v=1765395475</image:loc>
      <image:title>Vintage JFD Sockette 4A Radio Tube Socket Adapter For 1C5GT Tube to 3C5GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ju8a-tube-with-box-date-code-hd-quadruple-diode-6ju8-a-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_1be66b89-1225-4273-a121-2ecae266efe8.webp?v=1765395534</image:loc>
      <image:title>(1) Tested RCA 6JU8A Tube with Box Date Code HD Quadruple Diode 6JU8 A Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sr7-tube-sylvania-6sr7-twin-diode-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_107ff192-8c52-4758-8b04-a4f973c2e500.webp?v=1765395596</image:loc>
      <image:title>(1) Tested Sylvania 6SR7 Tube Sylvania 6SR7 Twin Diode Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6js6b-tube-date-code-kv-compactron-6js6-b-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_38cc6e1d-2256-4aa5-a995-b31fc3184e3a.webp?v=1765395651</image:loc>
      <image:title>(1) Tested GE 6JS6B Tube Date Code KV Compactron 6JS6 B Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-sony-eac-28-external-antenna-connector-adapter-made-in-japan</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_0687e697-dd48-4254-be3a-5733acc0e86f.webp?v=1765395957</image:loc>
      <image:title>Vintage Sony EAC-28 External Antenna Connector Adapter Made in Japan</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6cu5-with-box-date-code-mk-gray-plate-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_6cb05f16-1035-4aff-b6dd-913659807909.webp?v=1765396050</image:loc>
      <image:title>(1) Tested Strong GE 6CU5 with Box Date Code MK Gray Plate Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25eh5-tube-with-box-date-code-nr-aad-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_b86ee6e0-1e68-41da-aec7-946b24d20e9e.webp?v=1765396109</image:loc>
      <image:title>(1) Tested Sylvania 25EH5 Tube with Box Date Code NR AAD Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cy5-tube-date-code-rv-general-electric-screen-grid-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_e1d03825-a552-4ab0-bc4d-528891d1ccc8.webp?v=1765396172</image:loc>
      <image:title>(1) Tested GE 6CY5 Tube Date Code RV General Electric Screen Grid Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6jb6-tube-9-pin-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_a914d1f1-88fb-4b7a-a64f-0cae3fc5a9ec.webp?v=1765396238</image:loc>
      <image:title>(1) Tested Sylvania 6JB6 Tube 9 Pin Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6jt8-tube-with-box-date-code-bk-sylvania-6jt8-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_5970621a-b6f8-4a37-8860-71c44f87f000.webp?v=1765396317</image:loc>
      <image:title>(1) Tested Sylvania 6JT8 Tube with Box Date Code bk Sylvania 6JT8 Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cd6g-tube-date-code-3-35-rca-6cd6-g-coke-bottle-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_e7035bd9-398d-47d6-8bcb-af3233b356ba.webp?v=1765396384</image:loc>
      <image:title>(1) Tested RCA 6CD6G Tube Date Code 3-35 RCA 6CD6 G Coke Bottle Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-21gy5-tube-vintage-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_21407404-d4bb-4746-b02f-14171e95b7d5.webp?v=1765396461</image:loc>
      <image:title>(1) Tested Unbranded 21GY5 Tube Vintage Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu5-box-date-code-cz-gray-plate-general-electric-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_51534b2e-8ab5-4135-8dad-0b75c4bbacb6.webp?v=1765396528</image:loc>
      <image:title>(1) Tested GE 6CU5 &amp; Box Date Code CZ Gray Plate General Electric Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu5-box-date-code-eh-gray-plate-general-electric-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_4a88827a-a0a9-440e-a439-32f9beab240c.webp?v=1765396603</image:loc>
      <image:title>(1) Tested GE 6CU5 &amp; Box Date Code EH Gray Plate General Electric Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1a5gt-tube-date-code-8-39-general-electric-1a5-gt-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_4e7ec64e-7f3c-448c-bce8-aee1fb877cd7.webp?v=1765396666</image:loc>
      <image:title>(1) Tested GE 1A5GT Tube Date Code 8-39 General Electric 1A5 GT Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-25l6gt-tube-date-code-813-raytheon-25l6-gt-tube-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_78cca14e-97af-4bd6-a3e9-6a6666927eb7.webp?v=1765396721</image:loc>
      <image:title>(1) Tested Raytheon 25L6GT Tube Date Code 813 Raytheon 25L6 GT Tube Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-5727-tube-rca-5727-gas-thyratron-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_95aac8f3-1b2b-409e-bfaf-6c8c07fdb2b0.webp?v=1765396778</image:loc>
      <image:title>(1) Tested Strong RCA 5727 Tube RCA 5727 Gas Thyratron Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6je8-tube-date-code-ebf-high-mu-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_411cb709-f003-4d32-8bcd-831d3978eb39.webp?v=1765396844</image:loc>
      <image:title>(1) Tested Philco 6JE8 Tube Date Code EBF High Mu Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-matched-pair-rca-radiotron-ux-120-tubes-type-20-ux-120-tubes-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_bc9c013f-af9e-469c-9c0d-aba6adf8b85c.webp?v=1765396914</image:loc>
      <image:title>Tested Balanced Matched Pair RCA Radiotron UX-120 Tubes Type 20 UX 120 Tubes (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cl3-tube-with-box-date-code-c3-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_594bc84b-8a03-4c0e-9fe1-c13b232e5779.webp?v=1765396998</image:loc>
      <image:title>(1) Tested RCA 6CL3 Tube with Box Date Code C3 Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-relay-6cx8-tube-date-code-6-66-medium-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_aa957d8f-eab4-43e5-83b4-94007f86ef30.webp?v=1765397058</image:loc>
      <image:title>(1) Tested Relay 6CX8 Tube Date Code 6-66 Medium Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-jan-cg-6sj7y-tube-date-code-66-09-6sj7-mil-spec-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_3630cfa5-ee25-4480-a464-a233f444ca75.webp?v=1765397120</image:loc>
      <image:title>(1) Tested GE JAN CG 6SJ7Y Tube Date Code 66-09 6SJ7 Mil-Spec Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6jv8-tube-and-box-date-code-63-44-tung-sol-eia-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_c44bfd72-872c-4445-82e2-cefdd47ab3a4.webp?v=1765397186</image:loc>
      <image:title>(1) Tested Admiral 6JV8 Tube and Box Date Code 63-44 Tung Sol EIA Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-08-dumont-5v6-gt-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_c0ae527d-f22f-49ee-88a4-c8d5fa6df3b0.webp?v=1765397261</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-08 Dumont 5V6 GT Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12hg7-12gn7a-tube-with-box-date-code-33-04-12hg7-12gn7a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_8f382942-3bda-42e9-8c1d-d58efde23db9.webp?v=1765397326</image:loc>
      <image:title>(1) Tested Westinghouse 12HG7/12GN7A Tube with Box Date Code 33-04 12HG7 12GN7A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6jh8-tube-with-box-beam-deflection-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_66e24cda-53d0-45d9-982c-99d1c53cc744.webp?v=1765397392</image:loc>
      <image:title>(1) Tested Zenith 6JH8 Tube with Box Beam Deflection Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-17d4-tube-with-box-date-code-cv-general-electric-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_624c6d5f-3e7b-41c9-8842-19e0e57c1254.webp?v=1765397954</image:loc>
      <image:title>(1) Tested GE 17D4 Tube with Box Date Code CV General Electric Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6ez8-tube-with-box-date-code-30-04-ge-eia-triple-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_a66c6095-858b-48ad-9668-f73bd3c34879.webp?v=1765398425</image:loc>
      <image:title>(1) Tested Motorola 6EZ8 Tube with Box Date Code 30-04 GE EIA Triple Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-25l6gt-tube-red-letters-base-date-code-59-26-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_2f0639ab-af9f-4f59-9709-3baf5485298e.webp?v=1765398482</image:loc>
      <image:title>(1) Tested Strong GE 25L6GT Tube Red Letters Base Date Code 59-26 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-75-tube-socket-adapter-replace-12a8-tube-with-7a8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_47a42f80-8384-4ad4-ad91-d1d4906ba59a.webp?v=1765398540</image:loc>
      <image:title>Vintage Adaptol No. 75 Tube Socket Adapter Replace 12A8 Tube with 7A8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-6360-tube-date-code-h2-146h-made-in-holland-twin-tetrode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_62eb5ed6-83b4-4246-b2cb-bdc4f7875aad.webp?v=1765398654</image:loc>
      <image:title>(1) Tested Amperex 6360 Tube Date Code H2 146H Made in Holland Twin Tetrode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-h</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_574f3754-dec8-4f53-8912-77787dcc201a.webp?v=1765398726</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (h)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6k7-tube-with-box-date-code-313-remote-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_f6683926-f515-42f7-bbb8-f2c68fb7cc3c.webp?v=1765398802</image:loc>
      <image:title>(1) Tested Raytheon 6K7 Tube with Box Date Code 313 Remote Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7a7-tube-date-code-8p-7a7-tube-philco-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_751031e8-8241-4440-b07c-264b45f2c57f.webp?v=1765398865</image:loc>
      <image:title>(1) Tested Philco 7A7 Tube Date Code 8P 7A7 Tube Philco Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6ak6-tube-and-box-date-code-6726-power-amplifier-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_cd94699f-6625-4465-bc0a-387be8233679.webp?v=1765398925</image:loc>
      <image:title>(1) Tested Strong RCA 6AK6 Tube and Box Date Code 6726 Power Amplifier Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1625-tube-date-code-k2e-rca-1625-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_c3167fd0-3f24-4d96-86b4-b0ea8fab76aa.webp?v=1765399043</image:loc>
      <image:title>(1) Tested RCA 1625 Tube Date Code K2E RCA 1625 Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6cj3-tube-with-box-date-code-84-03-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_4b5d758b-c361-4aa2-a5e8-612d78d109c2.webp?v=1765399120</image:loc>
      <image:title>(1) Tested Westinghouse 6CJ3 Tube with Box Date Code 84-03 Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12w6gt-tube-date-code-bp-westinghouse-12w6-gt-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_a6dee687-7fc0-40c8-a562-58b04b80b60b.webp?v=1765399178</image:loc>
      <image:title>(1) Tested Westinghouse 12W6GT Tube Date Code BP Westinghouse 12W6 GT Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6bj6-tube-with-box-date-code-907-remote-cutoff-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_a945f82f-1400-4e55-9830-715c3623b33c.webp?v=1765399246</image:loc>
      <image:title>(1) Tested Motorola 6BJ6 Tube with Box Date Code 907 Remote Cutoff Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-12w6gt-tube-date-code-23-3-emerson-12w6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_f7e79d50-7e96-44af-b1e9-acd7b6d46b0f.webp?v=1765399309</image:loc>
      <image:title>(1) Tested Emerson 12W6GT Tube Date Code 23-3 Emerson 12W6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6ak6-tube-date-code-9-17-6ak6-power-amplifier-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_237e7304-42ec-42d7-bf47-3255b5b66691.webp?v=1765399370</image:loc>
      <image:title>(1) Tested Motorola 6AK6 Tube Date Code 9-17 6AK6 Power Amplifier Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cy5-tube-with-box-date-code-dj-sharp-cutoff-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_61577217-67a2-49c5-9126-a6a12f2789bb.webp?v=1765399434</image:loc>
      <image:title>(1) Tested RCA 6CY5 Tube with Box Date Code DJ Sharp Cutoff Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bf6-tube-date-code-kg-twin-diode-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_3f81e7df-f785-4d15-a957-c0dfe38af631.webp?v=1765399492</image:loc>
      <image:title>(1) Tested RCA 6BF6 Tube Date Code KG Twin Diode Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-jan-crc-12a6-tube-date-code-vie-rca-12a6-tube-vt-134-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_2b704538-5866-40a5-bca4-a09e27250c1d.webp?v=1765399547</image:loc>
      <image:title>(1) Tested Strong RCA JAN CRC 12A6 Tube Date Code VIE RCA 12A6 Tube VT-134 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-tung-sol-jtl-26z5w-tube-date-code-428-tung-sol-26z5-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_44277405-d5a2-43d7-a541-3ab23aaf3bb1.webp?v=1765399608</image:loc>
      <image:title>(1) Tested Balanced Tung-Sol JTL 26Z5W Tube Date Code 428 Tung Sol 26Z5 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-44-tube-engraved-base-date-code-l3-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_0fd810e1-bf4e-44e9-b8d9-0c85b4b816ae.webp?v=1765399749</image:loc>
      <image:title>(1) Tested Philco Type 44 Tube Engraved Base Date Code L3 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sj7-tube-date-code-9-43-rca-sharp-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-1_51d08fe9-6a0e-4421-99de-fcdc43443ea0.webp?v=1765400331</image:loc>
      <image:title>(1) Tested RCA 12SJ7 Tube Date Code 9-43 RCA Sharp Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6j6a-tube-with-box-date-code-fg-aad-6j6-a-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_96b46c19-2fd8-459e-905c-4a6a7c14531b.webp?v=1765400389</image:loc>
      <image:title>(1) Tested Sylvania 6J6A Tube with Box Date Code fg AAD 6J6 A Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-38hk7-tube-general-electric-38hk7-tube-diode-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_815a5b9c-0831-403f-976e-1a204a54ae6b.webp?v=1765400431</image:loc>
      <image:title>(1) Tested GE 38HK7 Tube General Electric 38HK7 Tube Diode Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12sj7-tube-date-code-0-39-sylvania-green-logo-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_b0fecca5-94b7-40a7-8589-b9152bccfab7.webp?v=1765400494</image:loc>
      <image:title>(1) Tested 1950 Sylvania 12SJ7 Tube Code 0-39 Sylvania Green Logo Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-6be3-tube-with-original-box-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_9adc6b86-05a1-481e-ac9a-fc9d8c00ffff.webp?v=1765400711</image:loc>
      <image:title>(1) Tested ITT 6BE3 Tube with Original Box Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ford-philco-6bq5-el84-tube-with-box-date-code-0-39-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_cadd7674-2efa-4bcc-9e1f-941bbead3838.webp?v=1765400818</image:loc>
      <image:title>(1) Tested Strong 1960 Ford Philco 6BQ5 EL84 Tube with Box Code 0-39 Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-jan-chy-12sn7gt-tube-black-angled-t-plates-code-5843-12sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_5b051c86-ff41-4229-af2d-4908fdcb27b8.webp?v=1765400880</image:loc>
      <image:title>(1) Tested CBS JAN CHY 12SN7GT Tube Black Angled T Plates Code 5843 12SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-6x8-tube-date-code-5-66-6x8-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_afee6d4d-f4dd-4a9e-aa22-541e693e4a5c.webp?v=1765400940</image:loc>
      <image:title>(1) Tested Rad-Tel 6X8 Tube Date Code 5-66 6X8 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5an8-tube-with-box-date-code-59-04-general-electric-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_cbf97561-dcfc-4172-9e3e-9bbbd67b070f.webp?v=1765400992</image:loc>
      <image:title>(1) Tested GE 5AN8 Tube with Box Date Code 59-04 General Electric Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6005-tube-with-box-date-code-jw-6005-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_0ae3761d-dcd3-4dec-a7f5-56c40c381671.webp?v=1765401051</image:loc>
      <image:title>(1) Tested Strong GE 6005 Tube with Box Date Code JW 6005 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-6gy6-6gx6-tube-with-box-made-in-japan-date-code-2c-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_083deb48-185c-4d1e-813c-234da6f6bf24.webp?v=1765401117</image:loc>
      <image:title>(1) Tested ITT 6GY6 6GX6 Tube with Box Made in Japan Date Code 2C Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-17c5-17cu5-tube-with-box-date-code-hc-aax-17c5-tube-17cu5</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_632a0e0c-9cae-4d9d-8cc1-7b9a5fcaf204.webp?v=1765401190</image:loc>
      <image:title>(1) Tested Sylvania 17C5/17CU5 Tube with Box Date Code hc AAX 17C5 Tube 17CU5</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6dw4b-tube-date-code-b4-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_574589ae-37f5-4e07-bc8d-855adbf0e2fd.webp?v=1765401240</image:loc>
      <image:title>(1) Tested Strong RCA 6DW4B Tube Date Code B4 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6an4-tube-date-code-kj-rca-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_85a73e16-57bd-458e-85a6-b9a34c3c08dc.webp?v=1765401301</image:loc>
      <image:title>(1) Tested RCA 6AN4 Tube Date Code KJ RCA High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-motorola-6cw5-tube-date-code-375-6cw5-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_47d76058-45e6-4c63-90f0-8be98716ee44.webp?v=1765401364</image:loc>
      <image:title>(1) Tested Strong Motorola 6CW5 Tube Date Code 375 6CW5 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cunningham-6sg7-tube-with-box-date-code-8-04-6sg7-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_1ab4c9de-7913-4312-81d2-cf8d9f5fa7dd.webp?v=1765401424</image:loc>
      <image:title>(1) Tested Cunningham 6SG7 Tube with Box Date Code 8-04 6SG7 Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-compactron-6ag9-tube-general-electric-6ag9-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_5d3998ef-fb3b-42d8-b90c-033fc974c210.webp?v=1765430770</image:loc>
      <image:title>(1) Tested Strong GE Compactron 6AG9 Tube General Electric 6AG9 Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bn8-tube-date-code-egz-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_677f25e0-aa1b-45a3-aa3f-6c82cc766b1d.webp?v=1765430895</image:loc>
      <image:title>(1) Tested Sylvania 6BN8 Tube Date Code EGZ Twin Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-50y6gt-tube-with-box-date-code-1-13-50y6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_4a5258cf-31f8-451d-9935-856acfe4fb78.webp?v=1765430966</image:loc>
      <image:title>(1) Tested 1951 Sylvania 50Y6GT Tube with Box Date Code 1-13 50Y6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-date-code-gb-mur-sylvania-6w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_ea7087be-7cd7-4086-a896-7c83a163127b.webp?v=1765431031</image:loc>
      <image:title>(1) Tested 1960 Sylvania 6W4GT Tube Code GB MUR Sylvania 6W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-36am3b-tube-with-box-date-code-bcy-36am3-b-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_4170f6d8-7665-49d6-b3e9-618b09f855d7.webp?v=1765431097</image:loc>
      <image:title>(1) Tested Sylvania 36AM3B Tube with Box Date Code BCY 36AM3 B Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5654-6ak5w-tube-with-box-date-code-bh-made-in-india-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_3693876f-8eec-4854-927c-cf12b8b01d41.webp?v=1765431175</image:loc>
      <image:title>(1) Tested Sylvania 5654 6AK5W Tube with Box Date Code BH Made in India (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6ak6-tube-date-code-126-rca-eia-power-amplifier-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_04d12c49-5ad7-4962-90f6-5f3d5cdb402c.webp?v=1765431231</image:loc>
      <image:title>(1) Tested Delco 6AK6 Tube Date Code 126 RCA EIA Power Amplifier Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-3ce5-tube-with-box-general-motors-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_287faf16-798d-4615-9cef-fa9d3c52c6ca.webp?v=1765431376</image:loc>
      <image:title>(1) Tested GM Delco 3CE5 Tube with Box General Motors Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6w4gt-tube-date-code-58-52-general-electric-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_da445023-b7b2-47a1-a8e3-c18e60ba4311.webp?v=1765431637</image:loc>
      <image:title>(1) Tested Strong GE 6W4GT Tube Date Code 58-52 General Electric 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6w4gt-tube-date-code-528-3-6w4-gt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_f3ac0d71-de93-451e-bd7a-998a76f32f3e.webp?v=1765431698</image:loc>
      <image:title>(1) Tested 1955 Tung-Sol 6W4GT Tube Date Code 528-3 6W4 GT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-41-tube-date-code-6s-engraved-base-power-pentode-41-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_fac660bc-f649-42f2-bdcd-5d83ce32d806.webp?v=1765431767</image:loc>
      <image:title>(1) Tested Philco Type 41 Tube Date Code 6S Engraved Base Power Pentode 41 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1965-western-electric-415a-tubes-codes-6513-and-6526</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_7f3dcf18-da1d-4602-b13a-e4b266ab3940.webp?v=1765431869</image:loc>
      <image:title>Tested Matched Pair 1965 Western Electric 415A Tubes Codes 6513 and 6526</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-uniline-6w6gt-tube-date-code-m22-raytheon-6w6-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_f93122f3-3d4a-4f1e-881c-1ca2cf261c17.webp?v=1765431944</image:loc>
      <image:title>(1) Tested Raytheon Uniline 6W6GT Tube Date Code M22 Raytheon 6W6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-3tf7-ballast-tube-tj311m01-for-collins-radio-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_266cd137-501a-48f2-86e6-370a65d786cd.webp?v=1765432014</image:loc>
      <image:title>(1) Tested Amperite 3TF7 Ballast Tube (TJ311M01) For Collins Radio (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-32et5a-tube-with-box-date-code-70-13-32et5-a-power-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_d8917b6b-355c-413e-b270-00cd1ac81be7.webp?v=1765432076</image:loc>
      <image:title>(1) Tested Zenith 32ET5A Tube with Box Date Code 70-13 32ET5 A Power Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6au5gt-tube-date-code-2-04-westinghouse-6au5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_04727043-3b85-478d-bcd1-963f4b8788ec.webp?v=1765432199</image:loc>
      <image:title>(1) Tested Westinghouse 6AU5GT Tube Date Code 2-04 Westinghouse 6AU5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-cbs-hytron-12bz7-tube-date-code-5439-high-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_5302f9d0-1c8c-462e-8910-3dcba27cfcd0.webp?v=1765432264</image:loc>
      <image:title>(1) Tested Strong CBS Hytron 12BZ7 Tube Date Code 5439 High Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-2cy5-tube-date-code-jt-general-electric-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_d1efff5c-2012-4b6f-b0d4-1ec2559b75fe.webp?v=1765432346</image:loc>
      <image:title>(1) Tested GE 2CY5 Tube Date Code JT General Electric Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-deforest-audion-401a-tube-type-01a-tube-engraved-base-globe-tube-01-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_585a8117-865b-492c-9da3-3488224befbf.webp?v=1765432418</image:loc>
      <image:title>(1) Tested DeForest Audion 401A Tube Type 01A Tube Engraved Base Globe Tube 01 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-12dq6a-tube-date-code-60-26-12dq6-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_64f6294c-aefd-46a3-928e-571b88aa9faf.webp?v=1765432508</image:loc>
      <image:title>(1) Tested Motorola 12DQ6A Tube Date Code 60-26 12DQ6 A Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-with-box-date-code-aj-sylvania-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_403d48c9-67e4-49d2-8000-e2fd72d7a423.webp?v=1765432577</image:loc>
      <image:title>(1) Tested 1954 Sylvania 6W4GT Tube with Box Date Code AJ Sylvania 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-date-code-l1-reinforced-rods-black-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_f75ce3df-76c5-426e-b775-89a4758d4297.webp?v=1765433006</image:loc>
      <image:title>(1) Tested RCA 6SN7GTB Tube Date Code L1 Reinforced Rods Black Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-muntz-2cy5-tube-date-code-61-43-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_1048224d-2b41-4890-bd4c-a25a95f74f36.webp?v=1765433101</image:loc>
      <image:title>(1) Tested Muntz 2CY5 Tube Date Code 61-43 Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1960s-western-electric-415a-tubes-black-plates-6113-6313</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_d8ea3d03-2d9b-4745-9e5a-af5eea1c0cfe.webp?v=1765433158</image:loc>
      <image:title>Tested Matched Pair 1960s Western Electric 415A Tubes Black Plates 6113 &amp; 6313</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-type-78-tube-date-code-9w-zenith-78-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_ac9afc18-7c55-466c-bc80-e8ec941ed0ed.webp?v=1765433231</image:loc>
      <image:title>(1) Tested Zenith Type 78 Tube Date Code 9W Zenith 78 Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-balanced-philco-6sn7gtb-tubes-black-angle-plates-57-52-56-13-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_4ad5d1e1-8912-4f82-9f9c-e98acdb4745f.webp?v=1765433304</image:loc>
      <image:title>Matched &amp; Balanced Philco 6SN7GTB Tubes Black Angle Plates 57-52 56-13 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1n2a-tube-date-code-md-rca-1n2-a-half-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_fb4deb89-8411-4334-8cc7-159ba116c255.webp?v=1765433375</image:loc>
      <image:title>(1) Tested RCA 1N2A Tube Date Code MD RCA 1N2 A Half Wave Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-2e24-tube-date-code-0-39-mil-spec-2e24-tube-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_25e13474-9762-42cc-b100-729f811a2157.webp?v=1765433455</image:loc>
      <image:title>(1) Tested RCA JAN 2E24 Tube Date Code 0-39 Mil-Spec 2E24 Tube Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-22de4-tube-date-code-409-efy-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_030425fc-fe8e-41f6-9bef-aa0230f105eb.webp?v=1765434105</image:loc>
      <image:title>(1) Tested Silvertone 22DE4 Tube Date Code 409 EFY Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6t8a-tube-ge-6t8-a-triple-diode-high-mu-triode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_988d120b-b51e-4ef8-afd7-57674061105d.webp?v=1765434179</image:loc>
      <image:title>(1) Tested GE 6T8A Tube GE 6T8 A Triple Diode High Mu Triode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-industrial-by-sylvania-6sn7gtb-tube-black-plates-code-bkw-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_06ff302e-976e-4772-b6f0-7d3cba08864d.webp?v=1765434261</image:loc>
      <image:title>(1) Tested Industrial by Sylvania 6SN7GTB Tube Black Plates Code BKW 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-lafayette-japan-6sn7gtb-tubes-tall-bottles-halo-getters-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_b61efb33-5d72-4016-aa25-e0e423ce94f2.webp?v=1765434466</image:loc>
      <image:title>Matched Pair Lafayette Japan 6SN7GTB Tubes Tall Bottles Halo Getters 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6v6gt-a-tube-date-code-fc-canada-brown-base-6v6-gt-a-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_f0a27f50-e942-464b-afb5-56ae75a739a8.webp?v=1765434532</image:loc>
      <image:title>(1) Tested GE 6V6GT/A Tube Date Code FC Canada Brown Base 6V6 GT/A Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sn7gtb-tube-glow-top-filament-o-getter-code-ll-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/02921FAA-5C03-4151-8974-D438282831C4.jpg?v=1775554763</image:loc>
      <image:title>(1) Tested GE 6SN7GTB Tube Glow Top Filament O Getter Code LL 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5az4-tube-with-box-date-code-1-52-loctal-tube-rectifier-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_c5b885ab-aac3-4bdc-9cb7-de4b70ea1b11.webp?v=1765434734</image:loc>
      <image:title>(1) Tested 1951 Sylvania 5AZ4 Tube with Box Code 1-52 Loctal Tube Rectifier (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-westinghouse-6w4gt-tube-code-9r39-westinghouse-6w4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_68ca1cfe-6ff6-4d5c-9c46-0683676a76b3.webp?v=1765435691</image:loc>
      <image:title>(1) Tested Very Strong Westinghouse 6W4GT Tube Code 9R39 Westinghouse 6W4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-rca-6sn7gtb-tube-bridged-filament-black-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_09dcfc9a-62da-4b8b-96e1-eb173baf7335.webp?v=1765435768</image:loc>
      <image:title>(1) Tested Unbranded RCA 6SN7GTB Tube Bridged Filament Black Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25bq6ga-25cu6-tube-date-code-57-09-25bq6ga-tube-25cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_951e2ba0-0dd9-48d9-b46a-e186bf820225.webp?v=1765435841</image:loc>
      <image:title>(1) Tested GE 25BQ6GA/25CU6 Tube Date Code 57-09 25BQ6GA Tube 25CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gh8a-tube-with-box-date-code-he-triode-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_b6bb94ea-1c02-476a-9fce-ec253fc3b411.webp?v=1765435901</image:loc>
      <image:title>(1) Tested RCA 6GH8A Tube with Box Date Code HE Triode Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sears-silvertone-6fq7-6cg7-tube-silvertone-6fq7-tube-silvertone-6cg7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_67cbc628-25de-414e-92a9-5e8c9a7a607b.webp?v=1765435962</image:loc>
      <image:title>(1) Tested Sears Silvertone 6FQ7/6CG7 Tube Silvertone 6FQ7 Tube Silvertone 6CG7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6aq5a-tube-date-code-al-sylvania-6aq5-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_6634e874-b998-490d-9b46-b661f0fabe11.webp?v=1765436239</image:loc>
      <image:title>(1) Tested Sylvania 6AQ5A Tube Date Code al Sylvania 6AQ5 A Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5am8-tube-with-box-date-code-61-13-made-in-canada-5am8-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_aa3b7765-6082-47df-a6eb-6130582e0d84.webp?v=1765436298</image:loc>
      <image:title>(1) Tested GE 5AM8 Tube with Box Date Code 61-13 Made in Canada 5AM8 Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-jan-cg-6sk7-tube-mil-spec-6sk7-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_e04dfb3b-43de-49d4-a5cf-f508e5bfd5f8.webp?v=1765436355</image:loc>
      <image:title>(1) Tested Strong GE JAN CG 6SK7 Tube Mil-Spec 6SK7 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-50y6gt-tube-date-code-6o-50y6-gt-rectifier-doubler-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_8ec55dfe-73f6-4005-9b1d-4dba9e58b5f9.webp?v=1765436432</image:loc>
      <image:title>(1) Tested Philco 50Y6GT Tube Date Code 6O 50Y6 GT Rectifier Doubler Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gt-tube-2-hole-bad-boy-tall-bottle-code-1-2s-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_f7140446-a606-4130-9eaf-7135eab01ab6.webp?v=1765436500</image:loc>
      <image:title>(1) Tested Sylvania 6SN7GT Tube 2 Hole Bad Boy Tall Bottle Code 1-2S 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sl7gt-tube-black-plates-code-dd-cleaver-brooks-box-12sl7-gt-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_861459a5-25be-4e35-a153-e592b152560b.webp?v=1765436658</image:loc>
      <image:title>(1) Tested RCA 12SL7GT Tube Black Plates Code DD Cleaver Brooks Box 12SL7 GT (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-balanced-pair-sylvania-jan-chs-6sn7wgt-tubes-military-6sn7-wgt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_eafcb9ef-b969-4d96-b8d0-83f0fb1a9a6a.webp?v=1765436727</image:loc>
      <image:title>Matched Balanced Pair Sylvania JAN CHS 6SN7WGT Tubes Military 6SN7 WGT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-emerson-6gm6-tube-date-code-313-semiremote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_02534a4a-bae3-4277-a029-be8e787a60fe.webp?v=1765436806</image:loc>
      <image:title>(1) Tested Dumont Emerson 6GM6 Tube Date Code 313 SemiRemote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35w4-tube-general-electric-35w4-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_b8f504f6-1914-4dec-8260-b5b8b2ffd157.webp?v=1765436859</image:loc>
      <image:title>(1) Tested GE 35W4 Tube General Electric 35W4 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sj7-tube-with-box-date-code-6-30-rca-6sj7-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_af6234eb-bd4b-40be-8b4b-f168d565798c.webp?v=1765436920</image:loc>
      <image:title>(1) Tested RCA 6SJ7 Tube with Box Date Code 6-30 RCA 6SJ7 Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6j5-tube-date-code-518-3-tung-sol-6j5-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_9355e5d2-e7cd-430d-a541-fc6802904a6f.webp?v=1765437240</image:loc>
      <image:title>(1) Tested 1955 Tung-Sol 6J5 Tube Code 518-3 Tung Sol 6J5 Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-untested-rca-1p40-tube-date-code-62-17-gas-phototube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_903a10c2-232c-4411-b7a4-bac14ab6bb1e.webp?v=1765437300</image:loc>
      <image:title>(1) Untested RCA 1P40 Tube Date Code 62-17 Gas Phototube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bk7a-tube-general-electric-6bk7-a-tube-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_28be4e78-6729-4fcb-92d9-5af039352bed.webp?v=1765437706</image:loc>
      <image:title>(1) Tested GE 6BK7A Tube General Electric 6BK7 A Tube Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-type-27-tube-date-code-t6-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_b6a87ecc-b629-459a-85b0-25e069360293.webp?v=1765437863</image:loc>
      <image:title>(1) Tested RCA Radiotron Type 27 Tube Date Code T6 Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-12sn7gt-tube-gray-ladder-plates-date-code-4-39-12sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_32760a90-987e-4162-b4a9-26515558f5b6.webp?v=1765437931</image:loc>
      <image:title>(1) Tested Balanced GE 12SN7GT Tube Gray Ladder Plates Date Code 4-39 12SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-35z3-tube-date-code-07-half-wave-rectifier-loctal-tube-loktal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_4715ad30-daed-4a9e-995f-dca73b14bf6f.webp?v=1765438013</image:loc>
      <image:title>(1) Tested Philco 35Z3 Tube Date Code 07 Half Wave Rectifier Loctal Tube Loktal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-super-silvertone-6n6g-tube-engraved-base-silvertone-6n6-g-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_97d67101-aaaf-435e-8da5-5b69afb6c0e8.webp?v=1765438085</image:loc>
      <image:title>(1) Tested Super Silvertone 6N6G Tube Engraved Base Silvertone 6N6 G Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6au5gt-tube-date-code-kh-rca-6au5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_12ca9665-12dd-4fba-9305-ca40f3f6b61c.webp?v=1765438155</image:loc>
      <image:title>(1) Tested Strong RCA 6AU5GT Tube Date Code KH RCA 6AU5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6sn7gta-tube-with-box-black-plates-date-code-5517-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_aa953a13-fb85-4d8c-9fd2-9172a7b5d8f4.webp?v=1765438231</image:loc>
      <image:title>(1) Tested CBS 6SN7GTA Tube with Box Black Plates Date Code 5517 6SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6sn7gtb-tube-black-plates-code-57-30-sylvania-eia-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_3e58d742-aac7-413e-83a6-bad906069b62.webp?v=1765438308</image:loc>
      <image:title>(1) Tested Philco 6SN7GTB Tube Black Plates Code 57-30 Sylvania EIA 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6au5gt-tube-date-code-026-westinghouse-6au5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_b654622f-5a07-4bcb-93d9-72af0a07d82e.webp?v=1765438393</image:loc>
      <image:title>(1) Tested Westinghouse 6AU5GT Tube Date Code 026 Westinghouse 6AU5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-7h-4-ballast-tube-with-box-amperite-current-regulator-7h-4</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_5ed354e8-65cc-41d0-8ec5-0224693180f2.webp?v=1765438460</image:loc>
      <image:title>(1) Tested Amperite 7H-4 Ballast Tube with Box Amperite Current Regulator 7H-4</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au8-tube-medium-mu-triode-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_b75c3a93-c4b6-4e1e-8d29-ca18372bccd0.webp?v=1765438992</image:loc>
      <image:title>(1) Tested RCA 6AU8 Tube Medium Mu Triode Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-universal-no-16l-tube-socket-adapter-to-convert-12sa7-tube-to-25z5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_71e815d3-f8c1-46e0-94ee-850884b97e90.webp?v=1765439063</image:loc>
      <image:title>Vintage Universal No. 16L Tube Socket Adapter To Convert 12SA7 Tube to 25Z5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-aristocrat-type-26-tube-date-code-f8r-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_f79c895c-fce9-46bb-9225-92979af77fc8.webp?v=1765439194</image:loc>
      <image:title>(1) Tested Aristocrat Type 26 Tube Date Code F8R Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-8fq7-tube-date-code-270-17-japan-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_3ba0dfe4-bb65-4238-9d9f-220ab372c275.webp?v=1765439266</image:loc>
      <image:title>(1) Tested Admiral 8FQ7 Tube Date Code 270-17 Japan Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6av5ga-tube-date-kd-aak-sylvania-6av5-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_1ebcb848-2ed0-495d-9c17-9547170244ef.webp?v=1765439337</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6AV5GA Tube Date kd AAK Sylvania 6AV5 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au4gta-tube-date-code-me-efo-6au4-gta-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_21a5127f-4f58-4048-b165-e74de1ec68d4.webp?v=1765439440</image:loc>
      <image:title>(1) Tested 1965 Sylvania 6AU4GTA Tube Date Code me EFO 6AU4 GTA Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12sn7gta-tube-black-plates-coin-base-rca-12sn7-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_7dbf5563-c35b-48bd-a566-642dc5a0d0f9.webp?v=1765439514</image:loc>
      <image:title>(1) Tested Strong RCA 12SN7GTA Tube Black Plates Coin Base RCA 12SN7 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-50l6gt-tube-with-box-date-code-58-13-general-electric-50l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_78f58732-c693-440e-8e42-c4797e8c6ce1.webp?v=1765439630</image:loc>
      <image:title>(1) Tested GE 50L6GT Tube with Box Date Code 58-13 General Electric 50L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-2cy5-tube-green-letter-general-electric-sharp-cutoff-tetrode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_83871de4-0c07-423d-a2e7-cc4c36244b6b.webp?v=1765439793</image:loc>
      <image:title>(1) Tested GE 2CY5 Tube Green Letter General Electric Sharp Cutoff Tetrode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cl3-tube-with-box-date-code-nr-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_0dd0ef71-792f-4153-8ce7-1f001ab44696.webp?v=1765439866</image:loc>
      <image:title>(1) Tested Sylvania 6CL3 Tube with Box Date Code NR Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6by6-tube-date-code-57-48-pentagrid-amplifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_60a9285a-bd1a-4502-b353-2618ca3b9e1f.webp?v=1765439935</image:loc>
      <image:title>(1) Tested GE 6BY6 Tube Date Code 57-48 Pentagrid Amplifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6au5gt-tube-date-code-ju-general-electric-6au5-gt-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_c20cbc59-c366-49c9-8836-7dd191a04609.webp?v=1765440010</image:loc>
      <image:title>(1) Tested Very Strong GE 6AU5GT Tube Date Code JU General Electric 6AU5 GT (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sl7gt-tube-black-plates-code-dd-cleaver-brooks-box-12sl7-gt-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_a0a05cb0-c1c2-4bef-a4fe-17f589f6dccf.webp?v=1765440081</image:loc>
      <image:title>(1) Tested RCA 12SL7GT Tube Black Plates Code DD Cleaver Brooks Box 12SL7 GT (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-5u4gb-tube-date-code-55-07-sylvania-eia-5u4-gb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_edd26f79-9ed1-4df5-9120-bc04dbc88d50.webp?v=1765440232</image:loc>
      <image:title>(1) Tested Philco 5U4GB Tube Black Ribbed Plates Square Halo Getter Code 55-07</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-6dj8-ecc88-tube-bugle-boy-date-code-107-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_257d1a42-e862-4566-9d19-3b0dfef0578a.webp?v=1765440363</image:loc>
      <image:title>(1) Tested Amperex 6DJ8/ECC88 Tube Bugle Boy Date Code 107 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-7a7-tube-date-code-a7-gm-7a7-tube-loctal-loktal-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_4d92aac3-b8fa-4bcf-b134-1e9179a2e6ab.webp?v=1765440436</image:loc>
      <image:title>(1) Tested GM Delco 7A7 Tube Date Code A7 GM 7A7 Tube Loctal Loktal Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6al5-tube-date-code-9-13-sylvania-eia-code-6al5-twin-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_ddaf4d67-1705-41b9-af1e-05969e48142c.webp?v=1765440898</image:loc>
      <image:title>(1) Tested Magnavox 6AL5 Tube Date Code 9-13 Sylvania EIA Code 6AL5 Twin Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-with-box-date-code-mb-black-plate-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_31f02a84-8a21-43e0-8cbd-b22015ccbfdf.webp?v=1765440962</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube with Box Date Code MB Black Plate Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-tung-sol-12ax4gtb-tube-date-code-px3-tung-sol-12ax4-gtb-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_f4947ed0-e3ff-4059-87bb-375f0260209c.webp?v=1765467100</image:loc>
      <image:title>(1) Tested Strong Tung-Sol 12AX4GTB Tube Date Code PX3 Tung Sol 12AX4 GTB Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35w4-tube-with-box-date-code-63-48-red-letter-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_bff35620-e16a-42a5-86d2-83c26842320a.webp?v=1765467175</image:loc>
      <image:title>(1) Tested GE 35W4 Tube with Box Date Code 63-48 Red Letter Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6dq6b-tube-date-code-60-52-cbs-6dq6-b-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_03e5b851-cec3-47fb-9805-e3ac929d58a2.webp?v=1765467273</image:loc>
      <image:title>(1) Tested CBS 6DQ6B Tube Date Code 60-52 CBS 6DQ6 B Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-10-tested-vintage-no-67-clear-bayonet-12v-globe-miniature-lamps-bulbs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_07096271-c66e-47af-8bfe-2bbda2068491.webp?v=1765467361</image:loc>
      <image:title>Lot of (10) Tested Vintage No. 67 Clear Bayonet 12V Globe Miniature Lamps Bulbs</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6cd6ga-tube-with-box-date-code-ml-rca-6cd6-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_f146b931-c098-4f5f-a35e-e430af23cbbf.webp?v=1765467438</image:loc>
      <image:title>(1) Tested Strong RCA 6CD6GA Tube with Box Date Code ML RCA 6CD6 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-ef184-6ej7-tube-great-britain-code-1022-ef184-tube-6ej7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_bfb89093-7fac-4248-950d-81e51f2352fe.webp?v=1765467513</image:loc>
      <image:title>(1) Tested Admiral EF184/6EJ7 Tube Great Britain Code 1022 EF184 Tube 6EJ7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0d3-tube-date-code-6122-rca-0d3-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_58fd97c7-277f-4f36-9481-967e0de7d165.webp?v=1765467606</image:loc>
      <image:title>(1) Tested RCA 0D3 Tube Date Code 6122 RCA 0D3 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-admiral-19au4-tube-by-rca-date-code-57-22-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_4855b452-fa0f-4454-bcc7-6c043a26dba9.webp?v=1765467829</image:loc>
      <image:title>(1) Tested Strong Admiral 19AU4 Tube by RCA Date Code 57-22 Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-japan-6lu8-tube-date-code-4h-high-mu-triode-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_ffea00be-f2ab-4866-a2f0-5fde2bbd27d0.webp?v=1765467891</image:loc>
      <image:title>(1) Tested Philco Japan 6LU8 Tube Date Code 4H High Mu Triode Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6bk7b-tube-date-code-69-58-6bk7-b-tube-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_69676016-aa62-47c7-9008-002327192795.webp?v=1765467958</image:loc>
      <image:title>(1) Tested Westinghouse 6BK7B Tube Date Code 69-58 6BK7 B Tube Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-philco-6sn7gtb-tubes-black-angle-plates-57-04-57-08-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_b86c4bb6-cb90-4d49-85ca-cbe23554dd7d.webp?v=1765468050</image:loc>
      <image:title>Matched Pair Philco 6SN7GTB Tubes Black Angle Plates 57-04 57-08 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gw6-6dq6b-tube-date-code-by-rca-6gw6-tube-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_667bf360-175b-4038-acaf-6d333e8f5b25.webp?v=1765468147</image:loc>
      <image:title>(1) Tested RCA 6GW6/6DQ6B Tube Date Code BY RCA 6GW6 Tube 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-cunningham-type-41-tube-engraved-base-date-code-j12-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_0cc4f252-165e-41cb-9ee1-618670b15410.webp?v=1765468212</image:loc>
      <image:title>(1) Tested RCA Cunningham Type 41 Tube Engraved Base Date Code J12 Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-ge-6sn7-gta-tubes-copper-grid-posts-horseshoe-4-09-2-52</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_5213003e-5dfc-4c95-8ed4-9faae591d56a.webp?v=1765468294</image:loc>
      <image:title>Tested Matched Pair GE 6SN7 GTA Tubes Copper Grid Posts Horseshoe 4-09 &amp; 2-52</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1970-western-electric-404a-tube-black-plates-square-halo-code-7039</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_bf24eee7-ecc3-4197-b389-38d62ca8173d.webp?v=1765468439</image:loc>
      <image:title>(1) Tested 1970 Western Electric 404A Tube Black Plates Square Halo Code 7039</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-16gy5-tube-beam-power-amplifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_4939e801-cef0-4017-885b-16cae595bc03.webp?v=1765468510</image:loc>
      <image:title>(1) Tested Lindal 16GY5 Tube Beam Power Amplifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6au8a-tube-with-box-date-code-6504-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_ab336842-34f0-436e-8efd-4aee14ddd153.webp?v=1765468712</image:loc>
      <image:title>(1) Tested Philco 6AU8A Tube with Box Date Code 6504 Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-1944-ww2-ken-rad-jan-ckr-12sc7-tube-vt-268-us-military-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_462d092c-5891-483d-ac7b-36648465077e.webp?v=1765468787</image:loc>
      <image:title>(1) Tested Balanced 1944 WW2 Ken-Rad JAN CKR 12SC7 Tube VT-268 &amp; US Military Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-1973-western-electric-415a-tubes-codes-7326-7339</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_841d82cc-51c0-4069-8fcb-af1f6300e7a9.webp?v=1765474479</image:loc>
      <image:title>Tested Matched Balanced Pair 1973 Western Electric 415A Tubes Codes 7326 &amp; 7339</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-32et5a-tube-date-code-sk-general-electric-32et5-a-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_ac9bf58a-97c4-4d96-a03c-b1c83b94700e.webp?v=1765474551</image:loc>
      <image:title>(1) Tested GE 32ET5A Tube Date Code SK General Electric 32ET5 A Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-0-48-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_01be0e19-b7b9-4a5d-8456-eddf3f53faed.webp?v=1765474615</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code 0-48 RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-12sa7-tube-date-code-jbr-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_6ba1ba65-cb78-4452-bc63-ee38ba8705a7.webp?v=1765476305</image:loc>
      <image:title>(1) Tested Very Strong RCA 12SA7 Tube Date Code JBR Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-12gn7-12hg7-tube-code-2a-made-in-japan-pentode-12gn7-tube-12hg7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_7e4adae3-5d4e-4b3e-aecb-d9445aa89da6.webp?v=1765476365</image:loc>
      <image:title>(1) Tested ITT 12GN7/12HG7 Tube Code 2A Made in Japan Pentode 12GN7 Tube 12HG7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-brt-radio-ech81-tubes-6aj8-tubes-with-boxes-codes-yd1-7h</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_58717f47-fd04-462d-a583-3bd992f08251.webp?v=1765477166</image:loc>
      <image:title>Tested Matched Pair BRT Radio ECH81 Tubes (6AJ8 Tubes) with Boxes Codes YD1 7H</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-5u4gb-tube-smooth-black-plates-dual-getters-619-3-5u4-gb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_641591be-304e-438d-818d-5ae14b3a0d05.webp?v=1765477258</image:loc>
      <image:title>(1) Tested 1956 Tung Sol 5U4GB Tube Smooth Black Plates Dual Getters Code 619-3</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-35w4-tube-date-code-852-crosley-35w4-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_238fef2e-8695-4e47-a544-e5982d5c5d6a.webp?v=1765477318</image:loc>
      <image:title>(1) Tested Crosley 35W4 Tube Date Code 852 Crosley 35W4 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1969-western-electric-415a-tubes-codes-6926-and-6952</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_d532feaf-da75-4a59-ac8d-ba69cc7fe02f.webp?v=1765477379</image:loc>
      <image:title>Tested Matched Pair 1969 Western Electric 415A Tubes Codes 6926 and 6952</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-unbranded-6fq7-tube-medium-mu-twin-triode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_ed4750ea-5ecf-432e-acf1-99df06ce3541.webp?v=1765477430</image:loc>
      <image:title>(1) Tested Balanced Unbranded 6FQ7 Tube Medium Mu Twin Triode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cy5-tube-with-box-date-code-dr-screen-grid-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_8d835446-06e0-4c7e-8f18-7a6ee7ade656.webp?v=1765477501</image:loc>
      <image:title>(1) Tested RCA 6CY5 Tube with Box Date Code DR Screen Grid Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-6360-tube-date-code-h2-146h-made-in-holland-twin-tetrode-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_5e744213-975c-4bb6-bd57-0e19c47d0f96.webp?v=1765477575</image:loc>
      <image:title>(1) Tested Amperex 6360 Tube Date Code H2 146H Made in Holland Twin Tetrode (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-18fw6a-tube-date-code-226-remote-cutoff-pentode-18fw6-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_cc1010d3-e7a7-4424-a395-8388d404b4eb.webp?v=1765477641</image:loc>
      <image:title>(1) Tested Silvertone 18FW6A Tube Date Code 226 Remote Cutoff Pentode 18FW6 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6cw5-el86-tube-holland-pentode-tube-6cw5-tube-el86-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_24afe824-b71e-49bf-b400-5f951fa8aaa1.webp?v=1765477761</image:loc>
      <image:title>(1) Tested Magnavox 6CW5/EL86 Tube Holland Pentode Tube 6CW5 Tube EL86 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jc6a-tube-with-box-date-code-hz-rca-6jc6-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_310445de-b5d9-4030-8e4a-d030cb5d598b.webp?v=1765477835</image:loc>
      <image:title>(1) Tested RCA 6JC6A Tube with Box Date Code HZ RCA 6JC6 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1970-western-electric-415a-tube-black-plates-square-getter-code-7026</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_abedee14-6aae-4276-8b73-4cb08c4af06e.webp?v=1765477904</image:loc>
      <image:title>(1) Tested 1970 Western Electric 415A Tube Black Plates Square Getter Code 7026</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gtb-tube-black-plates-halo-date-code-bf-ahg-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_b002c9b3-7f94-4c6f-85d7-67ba5abab804.webp?v=1765477956</image:loc>
      <image:title>(1) Tested 1967 Sylvania 6SN7GTB Tube Black Plates Halo Code bf AHG 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dq6b-6gw6-tube-date-code-cy-6gw6-tube-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_21bc8b11-7b45-40fb-8da4-0682885347bf.webp?v=1765478025</image:loc>
      <image:title>(1) Tested GE 6DQ6B/6GW6 Tube Date Code CY 6GW6 Tube 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ax4gt-tube-date-code-ky-rca-6ax4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_9997f88b-00f3-40c9-9b07-15eec6ff3404.webp?v=1765478091</image:loc>
      <image:title>(1) Tested RCA 6AX4GT Tube Date Code KY RCA 6AX4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6x8-tube-with-box-date-code-61-22-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_59c9adbb-5f0a-4453-a406-6c50e5bb6276.webp?v=1765478193</image:loc>
      <image:title>(1) Tested GE 6X8 Tube with Box Date Code 61-22 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-12by7a-tube-sharp-cutoff-pentode-12by7-a-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_a7a3c640-62a2-482b-a5c3-7306a422f62d.webp?v=1765478251</image:loc>
      <image:title>(1) Tested Unbranded 12BY7A Tube Sharp Cutoff Pentode 12BY7 A Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cu5-with-box-date-code-ded-hh-black-plate-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_4670fb4b-4a2b-42f0-8f7c-be9921862b75.webp?v=1765478312</image:loc>
      <image:title>(1) Tested Sylvania 6CU5 with Box Date Code DED hh Black Plate Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-2-nos-new-radio-shack-14-screw-base-lamps-no-14-bulbs-miniature-lamps</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_0e81177f-7627-4dbd-a6ff-289723449612.webp?v=1765478364</image:loc>
      <image:title>Lot of (2) NOS New Radio Shack #14 Screw Base Lamps No. 14 Bulbs Miniature Lamps</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-and-balanced-rca-6fq7-6cg7-tube-rca-6fq7-6cg7-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_76cfb0d6-139c-4f2a-bc7e-3edd2b05b1a1.webp?v=1765478462</image:loc>
      <image:title>(1) Tested Strong and Balanced RCA 6FQ7/6CG7 Tube RCA 6FQ7 6CG7 Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-military-sylvania-jan-chs-6sn7wgta-tube-black-plates-6sn7-wgta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_a47b0cb4-5b3e-4452-beaf-d438ee5b0a31.webp?v=1765478530</image:loc>
      <image:title>(1) Tested Military Sylvania JAN CHS 6SN7WGTA Tube Black Plates 6SN7 WGTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lsa-living-sounds-audio-6sn7-tube-gray-plates-date-code-t022-twin-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_a741de4c-7c07-4876-b9c7-82326caca52f.webp?v=1765478601</image:loc>
      <image:title>(1) Tested LSA Living Sounds Audio 6SN7 Tube Gray Plates Date Code T022 Twin (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-7c5-tube-loctal-tube-amperex-beam-power-vacuum-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_3c385723-e43f-4585-a7ca-29d0176cfeac.webp?v=1765479230</image:loc>
      <image:title>(1) Tested Amperex 7C5 Tube Loctal Tube Amperex Beam Power Vacuum Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6r7gt-tube-tung-sol-6r7-gt-tube-twin-diode-medium-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_66e35cbb-da28-423e-854d-98ac7ae201a9.webp?v=1765479307</image:loc>
      <image:title>(1) Tested Tung-Sol 6R7GT Tube Tung Sol 6R7 GT Tube Twin Diode Medium Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6at6-tube-with-box-date-code-bf-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_35fde144-8612-4c5a-bedb-efd4a40090e3.webp?v=1765479483</image:loc>
      <image:title>(1) Tested RCA 6AT6 Tube with Box Date Code BF Twin Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jv8-tube-with-box-date-code-fi-general-electric-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_bd4cb1c3-a6af-4f80-b7ea-e18679d0762c.webp?v=1765479580</image:loc>
      <image:title>(1) Tested GE 6JV8 Tube with Box Date Code FI General Electric Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6hs8-tube-date-code-642-sharp-cutoff-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_4d04b200-4378-4f16-94e8-98e2c926d673.webp?v=1765479634</image:loc>
      <image:title>(1) Tested Zenith 6HS8 Tube Date Code 642 Sharp Cutoff Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-mullard-eb91-tube-6al5-date-code-242-j2-british-made</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_33aab844-ea0c-4fc9-a637-f481c5e83d03.webp?v=1765479702</image:loc>
      <image:title>(1) Tested Balanced Mullard EB91 Tube (6AL5) Date Code 242 J2 British Made</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1944-military-rca-jan-crc-12sf7-tubes-codes-h5e-boxes-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_0cd31f1c-b8fc-4dd2-a666-0c22398ab6d5.webp?v=1765479775</image:loc>
      <image:title>Tested Matched Pair 1944 Military RCA JAN CRC 12SF7 Tubes Codes H5E &amp; Boxes (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8fq7-8cg7-tube-date-code-ew-rca-8fq7-tube-rca-8cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_411f30ba-50c4-4c2d-a043-5a084686339b.webp?v=1765479888</image:loc>
      <image:title>(1) Tested RCA 8FQ7/8CG7 Tube Date Code EW RCA 8FQ7 Tube RCA 8CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-25l6gt-g-tube-date-code-s3-rca-25l6-gt-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_8dbeca76-c9cf-4ad5-b27c-d71a363d92bb.webp?v=1765479953</image:loc>
      <image:title>(1) Tested RCA 25L6GT/G Tube Date Code S3 RCA 25L6 GT G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-western-electric-jw-6ak5-tube-black-plate-square-angled-d-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_55a89764-3b14-4d18-bf64-17e85c98d4da.webp?v=1765480019</image:loc>
      <image:title>(1) Tested Western Electric JW 6AK5 Tube Black Plate Square Angled D Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-ebc90-6at6-tube-code-y23-9l-ebc90-6at6-twin-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_9580e7ff-ea91-4814-94fa-1b0330aaa72c.webp?v=1765480078</image:loc>
      <image:title>(1) Tested Amperex EBC90/6AT6 Tube Code Y23◢9L EBC90 6AT6 Twin Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jf6-tube-date-code-ef-rca-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_0d506ccd-9740-4c15-8923-1b3e1a29c675.webp?v=1765480232</image:loc>
      <image:title>(1) Tested RCA 6JF6 Tube Date Code EF RCA Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6au6-tube-zenith-6au6-sharp-cut-off-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_564aede9-e866-4570-9954-18126df3bf27.webp?v=1765480386</image:loc>
      <image:title>(1) Tested Zenith 6AU6 Tube Zenith 6AU6 Sharp Cut Off Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1953-western-electric-337a-tube-date-code-326-variable-mu-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_08501318-993f-4117-820b-b2747bc56f18.webp?v=1765480444</image:loc>
      <image:title>(1) Tested 1953 Western Electric 337A Tube Date Code 326 Variable Mu Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12jn8-tube-with-box-date-code-zab-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_059946c3-d74f-46bc-8762-6f502c0a00ea.webp?v=1765480637</image:loc>
      <image:title>(1) Tested Sylvania 12JN8 Tube with Box Date Code ZAB Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-7c5-tube-7c5-loctal-tube-loktal-tube-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_6b688411-4629-462d-b94f-addf021e709c.webp?v=1765480694</image:loc>
      <image:title>(1) Tested Unbranded 7C5 Tube 7C5 Loctal Tube Loktal Tube Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6dq6a-tube-japan-date-code-go2-6dq6-a-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_a536d25b-f6a4-490c-a17a-695236265e03.webp?v=1765480756</image:loc>
      <image:title>(1) Tested Magnavox 6DQ6A Tube Japan Date Code GO2 6DQ6 A Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-cge-6u8a-tube-date-code-l8co-triode-pentode-converter-6u8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_d5c65b34-d78a-4ec0-b55d-c003792b9d51.webp?v=1765480820</image:loc>
      <image:title>(1) Tested GE CGE 6U8A Tube Date Code L8CO Triode Pentode Converter 6U8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5cl8a-tube-date-code-da-agd-medium-mu-triode-sharp-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_8d3b1df4-2fae-4d4d-a74e-acf665c2aa81.webp?v=1765481060</image:loc>
      <image:title>(1) Tested Sylvania 5CL8A Tube Date Code da AGD Medium Mu Triode Sharp Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-sylvania-6sn7gtb-tubes-codes-kf-ha-black-plates-halo-gets-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_c08716ec-9f02-4537-99fd-2d9086b0e3d4.webp?v=1765481121</image:loc>
      <image:title>Matched Pair Sylvania 6SN7GTB Tubes Codes KF HA Black Plates Halo Gets 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lionel-corp-25c5-tube-made-in-japan-date-code-535-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_fe4cbfcf-d48c-42b7-9c9c-37e3f119faf2.webp?v=1765481238</image:loc>
      <image:title>(1) Tested Lionel Corp 25C5 Tube Made in Japan Date Code 535 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6sn7-gta-tubes-copper-grid-posts-black-plates-713-509</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_06714427-2ec5-409f-b870-1519cb263066.webp?v=1765482511</image:loc>
      <image:title>Tested Matched Pair RCA 6SN7 GTA Tubes Copper Grid Posts Black Plates 713 &amp; 509</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-cbs-25l6gt-tube-date-code-60-17-25l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_a7389c3b-367e-4b6d-88a9-40a9b4cce7d7.webp?v=1765482592</image:loc>
      <image:title>(1) Tested Very Strong CBS 25L6GT Tube Date Code 60-17 25L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6av5gt-tube-date-605-sylvania-6av5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_de2097de-a60b-404e-ab61-127a838e4d72.webp?v=1765482651</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6AV5GT Tube Date 605 Sylvania 6AV5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12h6-tube-with-cleaver-brooks-box-date-code-de-diode-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_3fa3f2d4-e8d7-4a6d-a1d1-eb8310bc57e2.webp?v=1765482752</image:loc>
      <image:title>(1) Tested Strong 1970 RCA 12H6 Tube with Cleaver Brooks Box Code DE Diode (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-jhy-955-tube-jhy-955-acorn-tube-vt-121-medium-mu-triode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_922e547d-b122-4858-82ac-519de1c9422f.webp?v=1765482802</image:loc>
      <image:title>(1) Tested JHY-955 Tube JHY 955 Acorn Tube VT-121 Medium Mu Triode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-25l6gt-tube-date-code-aa-rca-25l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_6f91abf5-c7a5-4b3b-b823-8c7f43eb47e7.webp?v=1765482857</image:loc>
      <image:title>(1) Tested Strong RCA 25L6GT Tube Date Code AA RCA 25L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12br7-tube-with-box-date-code-bf-jek-twin-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_0beb2b5f-69af-4dd8-8a94-3840cd683715.webp?v=1765482917</image:loc>
      <image:title>(1) Tested Sylvania 12BR7 Tube with Box Date Code bf JEK Twin Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dc6-tube-with-box-date-code-ck-general-electric-6dc6-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_5a8a6026-8ade-4612-86b0-1e1ffde4af9a.webp?v=1765482995</image:loc>
      <image:title>(1) Tested GE 6DC6 Tube with Box Date Code CK General Electric 6DC6 Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6sn7-gt-tubes-copper-grid-posts-black-plates-352-430</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_373eb21c-a5a2-4b62-ba08-7bebb1a141e7.webp?v=1765483193</image:loc>
      <image:title>Tested Matched Pair RCA 6SN7 GT Tubes Copper Grid Posts Black Plates 352 &amp; 430</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-date-code-352-sylvania-green-logo-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_04bdc845-defe-4970-b37e-8c966c1e2dd0.webp?v=1765483267</image:loc>
      <image:title>(1) Tested Sylvania 6W4GT Tube Date Code 352 Sylvania Green Logo 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6ew6-tube-date-code-235-japan-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_7e36cd12-d6a8-4942-835d-de00e8d2c7c9.webp?v=1765483343</image:loc>
      <image:title>(1) Tested Magnavox 6EW6 Tube Date Code 235 Japan Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6v6gt-tube-date-code-125-sylvania-eia-6v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_498e88d0-05a0-476f-9eee-e1e7ba986e29.webp?v=1765483435</image:loc>
      <image:title>(1) Tested Delco 6V6GT Tube Date Code 125 Sylvania EIA 6V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-17bs3a-tube-half-wave-rectifier-17bs3-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_7655d813-7d1f-4556-aa3d-e33d8963e9ac.webp?v=1765483503</image:loc>
      <image:title>(1) Tested Very Strong RCA 17BS3A Tube Half Wave Rectifier 17BS3 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-13-4-ballast-tube-current-regulating-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_e5d77973-be84-4bc4-af0f-b1d89758e7cf.webp?v=1765483591</image:loc>
      <image:title>(1) Tested Amperite 13-4 Ballast Tube Current Regulating Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-zenith-4bz6-tube-date-code-68-04-ge-eia-code-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_9b5f1a50-eda1-40bc-9f17-e41d1ea74574.webp?v=1765483654</image:loc>
      <image:title>(1) Tested Strong Zenith 4BZ6 Tube Date Code 68-04 GE EIA Code Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tele-tone-25l6gt-tube-date-code-9-26-rca-eia-teletone-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_c8ec7656-eab5-4914-a76c-209be2a6684e.webp?v=1765483710</image:loc>
      <image:title>(1) Tested Tele-Tone 25L6GT Tube Date Code 9-26 RCA EIA TeleTone 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-garod-6ac7-tube-date-code-0-09-garod-6ac7-sharp-cut-off-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_65d2c553-4bbf-4793-8ca5-1bd9fb47475c.webp?v=1765483766</image:loc>
      <image:title>(1) Tested Garod 6AC7 Tube Date Code 0-09 Garod 6AC7 Sharp Cut Off Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-12bq6gta-tube-code-ga-mfk-12bq6-gta-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_10531234-d1d1-428b-9b71-ca76fbaecea6.webp?v=1765483824</image:loc>
      <image:title>(1) Tested 1960 Sylvania 12BQ6GTA Tube Code GA MFK 12BQ6 GTA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5y4g-tube-date-code-0-09-general-electric-5y4-g-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_65ebdab9-d4f1-44e1-bcf6-2141dfbc3b96.webp?v=1765483888</image:loc>
      <image:title>(1) Tested GE 5Y4G Tube Date Code 0-09 General Electric 5Y4 G Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-19c8-tube-with-box-date-code-2-52-triple-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_63cb2689-fcfe-4ed8-b3c6-12fadbe02468.webp?v=1765483990</image:loc>
      <image:title>(1) Tested Sylvania 19C8 Tube with Box Date Code 2-52 Triple Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6bz6-tube-date-code-344-made-in-japan-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_4e6e3418-9b18-4ebd-9e6a-bdb4fe25c4f1.webp?v=1765484054</image:loc>
      <image:title>(1) Tested Magnavox 6BZ6 Tube Date Code 344 Made in Japan Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1972-western-electric-408a-tube-black-plates-o-halo-getter-code-7226</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_3839ca5b-1458-4ef0-b4bb-f48427dde6ec.webp?v=1765484115</image:loc>
      <image:title>(1) Tested 1972 Western Electric 408A Tube Black Plates O Halo Getter Code 7226</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6-tube-with-box-sharp-cut-off-pentode-tube-tv-10-tested-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_4270355e-0298-4af0-a08f-b762f44900ed.webp?v=1765484171</image:loc>
      <image:title>(1) Tested RCA 6CB6 Tube with Box Sharp Cut Off Pentode Tube TV-10 Tested (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cy5-tube-date-code-fe-general-electric-screen-grid-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_8c81b9d4-db86-47cf-bc55-879961211b3f.webp?v=1765484233</image:loc>
      <image:title>(1) Tested GE 6CY5 Tube Date Code FE General Electric Screen Grid Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-1971-western-electric-415a-tubes-o-ring-getter-7152</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_869bc0b3-f4ec-4655-ab1d-2723f477aed9.webp?v=1765484297</image:loc>
      <image:title>Tested Matched Balanced Pair 1971 Western Electric 415A Tubes O Ring Getter 7152</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ag5-tube-with-box-date-code-kh-rca-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_192a3ebf-5053-42b8-b168-f27160d0881a.webp?v=1765484467</image:loc>
      <image:title>(1) Tested RCA 6AG5 Tube with Box Date Code KH RCA Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6jd6-tube-with-box-made-in-japan-date-code-448-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_dfcf99fc-13b9-41c1-b91e-835a01fdc2db.webp?v=1765484524</image:loc>
      <image:title>(1) Tested Magnavox 6JD6 Tube with Box Made in Japan Date Code 448 Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6au6a-tube-with-box-red-letter-6au6-a-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_4858183c-c919-4cf1-9c95-64e707a17d28.webp?v=1765484595</image:loc>
      <image:title>(1) Tested GE 6AU6A Tube with Box Red Letter 6AU6 A Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jrc-5651-tube-date-code-58-35-voltage-regulator-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_28d3cd88-4434-4acc-a320-667d9a5ec93c.webp?v=1765484650</image:loc>
      <image:title>(1) Tested RCA JRC 5651 Tube Date Code 58-35 Voltage Regulator Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12el6-tube-with-box-code-io4-dual-diode-high-mu-triode-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_3ab47e65-fc52-40b0-8f1a-cbe4dfa3f755.webp?v=1765484716</image:loc>
      <image:title>(1) Tested Raytheon 12EL6 Tube with Box Code IO4 Dual Diode High Mu Triode (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-nos-tung-sol-6dq6b-tube-with-box-date-code-rc-3-6dq6-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_e00ecfb4-7424-4e60-9c7d-339d70246e2e.webp?v=1765484779</image:loc>
      <image:title>(1) Tested Very Strong NOS Tung Sol 6DQ6B Tube with Box Date Code RC-3 6DQ6 B</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6sh7-tube-with-box-date-code-304-6sh7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_e0cca983-52ad-4493-b2dd-e4fe24d7b011.webp?v=1765485497</image:loc>
      <image:title>(1) Tested Raytheon 6SH7 Tube with Box Date Code 304 6SH7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6w4gt-tube-date-code-59-43-cbs-6w4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_154d1e2f-d90b-4ec5-a550-52b73338d917.webp?v=1765485559</image:loc>
      <image:title>(1) Tested CBS 6W4GT Tube Date Code 59-43 CBS 6W4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-17d4-tube-code-5839-sylvania-eia-code-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_952a767b-596f-4b40-94d2-b9a3e6d63574.webp?v=1765485633</image:loc>
      <image:title>(1) Tested Philco 17D4 Tube Code 5839 Sylvania EIA Code Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5u4gb-tube-date-code-mr-rca-5u4-gb-full-wave-rectifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_edba9f68-342a-43ec-be8b-6ff74b2a5430.webp?v=1765485770</image:loc>
      <image:title>(1) Tested RCA 5U4GB Tube Date Code MR RCA 5U4 GB Full Wave Rectifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dn6-tube-date-code-mu-general-electric-6dn6-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_f12dbbd4-37ec-49f1-80b0-ec4722bf02a0.webp?v=1765485826</image:loc>
      <image:title>(1) Tested GE 6DN6 Tube Date Code MU General Electric 6DN6 Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-tung-sol-jtl-26z5w-tube-date-code-344-tung-sol-26z5-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_16b02107-648d-4054-a451-10e7d68d72f5.webp?v=1765485899</image:loc>
      <image:title>(1) Tested Balanced 1953 Tung-Sol JTL 26Z5W Tube Code 344 Tung Sol 26Z5 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-6as5-tube-date-code-63-01-6as5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_14d5a776-ac61-4a6b-8f64-1365c7a8b1f1.webp?v=1765485952</image:loc>
      <image:title>(1) Tested Dumont 6AS5 Tube Date Code 63-01 6AS5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6j6-tube-with-box-date-code-626-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_7a68f7d4-a259-4368-af51-4477278bd965.webp?v=1765486017</image:loc>
      <image:title>(1) Tested Raytheon 6J6 Tube with Box Date Code 626 Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fq7-tube-long-gray-ladder-plates-side-square-d-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_7b5a781b-586c-43ed-84b8-4bda02638ec4.webp?v=1765486148</image:loc>
      <image:title>(1) Tested RCA 6FQ7 Tube Long Gray Ladder Plates Side Square D Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12ax4gt-tube-date-code-61-39-12ax4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_99ae7e82-1ec3-4b0b-87a4-29f5e8fc045a.webp?v=1765486206</image:loc>
      <image:title>(1) Tested GE 12AX4GT Tube Date Code 61-39 12AX4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cy7-tube-with-box-date-code-su-general-electric-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_44e6bc81-459d-435d-8c2b-243a12cad248.webp?v=1765486273</image:loc>
      <image:title>(1) Tested GE 6CY7 Tube with Box Date Code SU General Electric Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-realistic-35z5gt-tubes-gold-clad-japan-with-boxes-35z5-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_c2d2e884-68a3-4b6c-bddd-e0da8b0d475c.webp?v=1765486377</image:loc>
      <image:title>Tested Matched Pair Realistic 35Z5GT Tubes Gold Clad Japan with Boxes 35Z5 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-hytron-6av5gt-tube-date-code-5343-cbs-6av5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_c8afb0d7-e6b5-4ae4-8a87-64a7cd4f000c.webp?v=1765486434</image:loc>
      <image:title>(1) Tested CBS Hytron 6AV5GT Tube Date Code 5343 CBS 6AV5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-admiral-6dt6-tube-date-code-57-26-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_d543c72f-65db-40d1-8341-c6d8b2611cd2.webp?v=1765486523</image:loc>
      <image:title>(1) Tested Strong Admiral 6DT6 Tube Date Code 57-26 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt5-tube-with-box-date-code-al-rca-6dt5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_f9521086-1c1d-43e5-9547-ce85e886dc5e.webp?v=1765486599</image:loc>
      <image:title>(1) Tested RCA 6DT5 Tube with Box Date Code AL RCA 6DT5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-117z3-tube-with-box-date-code-lm-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_4bb51d93-3b12-4d4f-9071-fba62f4501fc.webp?v=1765486662</image:loc>
      <image:title>(1) Tested RCA 117Z3 Tube with Box Date Code LM Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-6ac7-tube-date-code-4-14-dumont-6ac7-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_155d24a6-5976-4017-bc2f-f051b601b149.webp?v=1765486776</image:loc>
      <image:title>(1) Tested Dumont 6AC7 Tube Date Code 4-14 Dumont 6AC7 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6t8a-tube-rca-6t8-a-triple-diode-high-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_ce0b9800-65b3-4157-83df-db4168b0a067.webp?v=1765486834</image:loc>
      <image:title>(1) Tested RCA 6T8A Tube RCA 6T8 A Triple Diode High Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1953-western-electric-6028-408a-tube-black-plates-6028-tube-code-326</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_c1848b22-0803-46a1-89d1-d3ca8ce6ffe2.webp?v=1765486928</image:loc>
      <image:title>(1) Tested 1953 Western Electric 6028 408A Tube Black Plates 6028 Tube Code 326</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-8lt8-tube-date-code-69-52-general-electric-8lt8-twin-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_d6dc8552-3379-4ba8-bdf9-f5186279ef2e.webp?v=1765487247</image:loc>
      <image:title>(1) Tested GE 8LT8 Tube Date Code 69-52 General Electric 8LT8 Twin Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-19au4gta-tube-date-code-lz-19au4-gta-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_55e33245-24a1-4dd7-ae7e-11ee62bcfb47.webp?v=1765487304</image:loc>
      <image:title>(1) Tested Strong RCA 19AU4GTA Tube Date Code LZ 19AU4 GTA Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6ac7-tube-date-code-1-22-6ac7-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_d22a0c23-db3e-444e-bcb0-e38af1fa9a55.webp?v=1765487366</image:loc>
      <image:title>(1) Tested Westinghouse 6AC7 Tube Date Code 1-22 6AC7 Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6ax4gtb-tube-date-code-274-silvertone-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_2bd658e0-9495-4b51-99e7-515fb8401be1.webp?v=1765487428</image:loc>
      <image:title>(1) Tested Silvertone 6AX4GTB Tube Date Code 274 Silvertone 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-hytron-50a5-tube-loktal-tube-50a5-loctal-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_58d959df-d9d7-4485-928d-46ea1b8051cb.webp?v=1765487494</image:loc>
      <image:title>(1) Tested CBS Hytron 50A5 Tube Loktal Tube 50A5 Loctal Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-jrp-5651-tube-date-code-0-11-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_82595b3c-d1b2-4671-a7ba-347da68b656e.webp?v=1765487561</image:loc>
      <image:title>(1) Tested Raytheon JRP 5651 Tube Date Code 0-11 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50b5-tube-date-code-mb-rca-50b5-beam-power-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_0ec10b2c-a4d5-461f-ad76-3c16332fdba7.webp?v=1765487622</image:loc>
      <image:title>(1) Tested RCA 50B5 Tube Date Code MB RCA 50B5 Beam Power Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-12ax4gtb-tube-date-code-edg-12ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_5c22b3c4-f2ff-4ae2-a3a2-64ab8d413769.webp?v=1765487692</image:loc>
      <image:title>(1) Tested Silvertone 12AX4GTB Tube Date Code EDG 12AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-5u4gb-tube-halo-getter-smooth-black-plates-de-avh</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_6be165b2-aad1-495b-8750-d99a5248413f.webp?v=1765487755</image:loc>
      <image:title>(1) Tested Balanced Sylvania 5U4GB Tube Halo Getter Smooth Black Plates de AVH</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ba8a-tube-date-code-62-35-medium-mu-triode-cutoff-pentode-6ba8-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_612d1376-f306-456d-b995-f0abe8d38494.webp?v=1765487834</image:loc>
      <image:title>(1) Tested GE 6BA8A Tube Date Code 62-35 Medium Mu Triode Cutoff Pentode 6BA8 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-arcturus-6d6-tube-date-code-f4-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_bf01a3ee-c5aa-49cf-8e8f-f12bcf8a16f6.webp?v=1765519738</image:loc>
      <image:title>(1) Tested Arcturus 6D6 Tube Date Code F4 Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jrc-5651-tube-date-code-58-35-voltage-regulator-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_d1396c29-14a2-4686-a652-1cfcb5d8257f.webp?v=1765519826</image:loc>
      <image:title>(1) Tested RCA JRC 5651 Tube Date Code 58-35 Voltage Regulator Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-electronics-5686-tube-with-box-beam-power-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_54cfde36-f149-44e5-b3e7-2682e1019724.webp?v=1765519908</image:loc>
      <image:title>(1) Tested National Electronics 5686 Tube with Box Beam Power Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-national-electronics-6c5-tube-with-box-medium-mu-triode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_792e4a5b-55fd-4b3c-a02e-4d627948a31f.webp?v=1765519991</image:loc>
      <image:title>(1) Tested Strong National Electronics 6C5 Tube with Box Medium Mu Triode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1k3-1j3-tube-with-box-date-code-sw-1k3-tube-ge-1j3-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_4da21410-bfd2-4e5d-8295-efe70061052c.webp?v=1765520100</image:loc>
      <image:title>(1) Tested GE 1K3/1J3 Tube with Box Date Code SW 1K3 Tube GE 1J3 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-olympic-12gk17-tube-half-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_ba3326ec-175b-410d-ae18-6999ceb21023.webp?v=1765520165</image:loc>
      <image:title>(1) Tested Strong Olympic 12GK17 Tube Half Wave Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-emerson-6ej7-tube-639-made-in-japan-dumont-emerson-6ej7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_abda2f9b-098d-4076-a540-be7bc4fb497a.webp?v=1765520235</image:loc>
      <image:title>(1) Tested Dumont Emerson 6EJ7 Tube 639 Made in Japan Dumont-Emerson 6EJ7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bq6ga-12cu6-tube-date-code-58-43-12bq6-ga-tube-12cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_780316eb-e3e0-43b5-a395-964c3e4ca59d.webp?v=1765520295</image:loc>
      <image:title>(1) Tested GE 12BQ6GA/12CU6 Tube Date Code 58-43 12BQ6 GA Tube 12CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au6-tube-rca-sharp-cut-off-pentode-vintage-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_91de167c-3e71-4e4a-868f-6398abd7f0fc.webp?v=1765520359</image:loc>
      <image:title>(1) Tested RCA 6AU6 Tube RCA Sharp Cut Off Pentode Vintage Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6w4gt-tube-date-code-6043-cbs-6w4-gt-half-wave-rectifier-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_c7e2ea4b-319b-4c5f-96c4-29afb1352f99.webp?v=1765520457</image:loc>
      <image:title>(1) Tested CBS 6W4GT Tube Date Code 6043 CBS 6W4 GT Half Wave Rectifier (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12h6-tube-with-cleaver-brooks-box-date-code-de-diode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_249fe227-a557-4f53-a7dc-b0b2880dac99.webp?v=1765520522</image:loc>
      <image:title>(1) Tested Strong 1970 RCA 12H6 Tube with Cleaver Brooks Box Code DE Diode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7c5-tube-date-code-p7-philco-loktal-tube-loctal-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_5771d068-d7ca-44be-9dc9-760a24ff500a.webp?v=1765520584</image:loc>
      <image:title>(1) Tested Philco 7C5 Tube Date Code P7 Philco Loktal Tube Loctal Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-motorola-6cl3-tube-date-code-67-52-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_349d66b2-430c-4b66-a052-96f656669a30.webp?v=1765520643</image:loc>
      <image:title>(1) Tested Strong Motorola 6CL3 Tube Date Code 67-52 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6cg7-tube-medium-mu-twin-triode-vintage-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_062d19b3-6a71-4a14-8d1b-e5193a974f93.webp?v=1765520699</image:loc>
      <image:title>(1) Tested Unbranded 6CG7 Tube Medium-Mu Twin Triode Vintage Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6as5-tube-with-box-date-code-kc-general-electric-6as5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_fea9b283-0ae3-4e8a-a2cd-199dabc5a686.webp?v=1765520823</image:loc>
      <image:title>(1) Tested Strong GE 6AS5 Tube with Box Date Code KC General Electric 6AS5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-12sn7gta-tube-gray-ladder-plates-date-code-5-09-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_08538960-4134-40b4-b5ad-61edf0a43184.webp?v=1765520892</image:loc>
      <image:title>(1) Tested Balanced GE 12SN7GTA Tube Gray Ladder Plates Date Code 5-09 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bq7a-tube-date-code-mz-rca-6bq7-a-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_42c03afd-5af8-44db-9501-b228d511ccb0.webp?v=1765520962</image:loc>
      <image:title>(1) Tested RCA 6BQ7A Tube Date Code MZ RCA 6BQ7 A Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-type-46-tube-date-code-du-dual-grid-amplifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_d6be0afd-f082-4cbd-ba2f-e754b9f5819d.webp?v=1765521085</image:loc>
      <image:title>(1) Tested National Union Type 46 Tube Date Code DU Dual Grid Amplifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12ax4gta-tube-date-code-035-12ax4-gta-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_0366f930-295c-4199-b2d8-f3a50a4763f6.webp?v=1765521155</image:loc>
      <image:title>(1) Tested 1950 Sylvania 12AX4GTA Tube Code 035 12AX4 GTA Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cu5-with-box-date-code-nf-black-plate-beam-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_61ce2ce3-876d-4d4d-ab73-d77e1c2e7565.webp?v=1765521221</image:loc>
      <image:title>(1) Tested RCA 6CU5 with Box Date Code NF Black Plate Beam Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-hytron-6dt5-tube-with-box-date-code-efd-ne-beam-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_c7b714e2-1c07-4a2c-9933-243a7c1ab569.webp?v=1765521286</image:loc>
      <image:title>(1) Tested Strong Hytron 6DT5 Tube with Box Date Code EFD NE Beam Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cl8a-tube-with-box-date-code-ams-sylvania-6cl8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_90a7f454-d9c2-4da7-9d73-479a64994724.webp?v=1765521349</image:loc>
      <image:title>(1) Tested Sylvania 6CL8A Tube with Box Date Code AMS Sylvania 6CL8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-amperex-bugle-boy-ebf80-tube-6n8-date-code-6523</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_31fa76ea-d75c-468b-a57b-1db94b2a86f5.webp?v=1765521409</image:loc>
      <image:title>(1) Tested Very Strong Amperex Bugle Boy EBF80 Tube (6N8) Date Code 6523</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12v6gt-tube-date-code-426-black-glass-chrome-dome-12v6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-98_12837e0d-c113-4015-addc-1c2c8df5b7e6.webp?v=1765521474</image:loc>
      <image:title>(1) Tested 1954 Sylvania 12V6GT Tube Code 426 Black Glass Chrome Dome 12V6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rogers-2x2-tube-with-box-made-in-canada-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-1_93d96348-9d1c-4e5d-8c2f-a8fe2e44996d.webp?v=1765523283</image:loc>
      <image:title>(1) Tested Strong Rogers 2X2 Tube with Box Made in Canada Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sentinel-6bg6g-tube-date-code-3-35-6bg6-g-tube-ge-eia-code</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_81ffc7f0-880a-43aa-b1f4-b9d4732460a5.webp?v=1765523384</image:loc>
      <image:title>(1) Tested Sentinel 6BG6G Tube Date Code 3-35 6BG6 G Tube GE EIA Code</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax3-compactron-tube-with-box-date-code-jf-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_630ab499-32e5-4236-bc94-be65412e769e.webp?v=1765523475</image:loc>
      <image:title>(1) Tested GE 6AX3 Compactron Tube with Box Date Code JF Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au6-tube-rca-sharp-cut-off-pentode-vintage-vacuum-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_23822160-9413-4eb8-8bdc-ac62d0f659e0.webp?v=1765523582</image:loc>
      <image:title>(1) Tested RCA 6AU6 Tube RCA Sharp Cut Off Pentode Vintage Vacuum Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6kt8-tube-high-mu-triode-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_7928f926-7f24-4c30-b033-cf0f0ce1b6b0.webp?v=1765523664</image:loc>
      <image:title>(1) Tested Zenith 6KT8 Tube High Mu Triode Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-14c7-tube-date-code-9-39-loctal-tube-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_77057973-04fb-44f5-823a-9143d9d31b57.webp?v=1765523733</image:loc>
      <image:title>(1) Tested 1949 Sylvania 14C7 Tube Date Code 9-39 Loctal Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-10jt8-tube-noval-base-9-pin-miniature-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_318b217d-40b8-4ced-99b5-0e518bd9e53d.webp?v=1765523802</image:loc>
      <image:title>(1) Tested Zenith 10JT8 Tube Noval Base 9 Pin Miniature Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-60-tube-socket-adapter-convert-1t4-tube-to-1n5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_44ca162a-c710-435f-976b-13972eac02c0.webp?v=1765523860</image:loc>
      <image:title>Vintage Adaptol No. 60 Tube Socket Adapter Convert 1T4 Tube to 1N5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50a5-tube-date-code-226-loktal-tube-50a5-loctal-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_c08fc991-5055-4690-a0ac-6a1773f0767c.webp?v=1765523956</image:loc>
      <image:title>(1) Tested RCA 50A5 Tube Date Code 226 Loktal Tube 50A5 Loctal Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-type-41-tube-date-code-h6e-meatball-logo-power-pentode-41-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_de642dfc-1f46-485a-8a7b-b033adc5340d.webp?v=1765524017</image:loc>
      <image:title>(1) Tested 1944 RCA Type 41 Tube Code H6E Meatball Logo Power Pentode 41 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ay3a-tube-half-wave-vacuum-rectifier-rca-12ay3-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_a77238ca-0012-4418-b053-026307e370f0.webp?v=1765524081</image:loc>
      <image:title>(1) Tested RCA 12AY3A Tube Half Wave Vacuum Rectifier RCA 12AY3 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt5-tube-with-box-date-code-dv-canada-rca-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_0ba7e060-3f06-4c13-bd28-5f34d32a95f2.webp?v=1765524146</image:loc>
      <image:title>(1) Tested RCA 6DT5 Tube with Box Date Code DV Canada RCA Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cornell-6eb8-tube-date-code-xrmt-pnh-6gn8-high-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_5b913b98-82ea-416b-8ee3-fa271629a5fe.webp?v=1765524210</image:loc>
      <image:title>(1) Tested Cornell 6EB8 Tube Date Code XRMT-PNH 6GN8 High Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-12by7a-tube-with-box-code-61-22-round-halo-getter-12by7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_fbf2fd4d-ede5-41d6-a5e2-f3331230a96a.webp?v=1765524348</image:loc>
      <image:title>(1) Tested Dumont 12BY7A Tube with Box Code 61-22 Round Halo Getter 12BY7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6j6a-tube-code-cw-general-electric-6j6-a-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_76ffed2a-1257-496d-8639-218350e4c605.webp?v=1765524405</image:loc>
      <image:title>(1) Tested GE 6J6A Tube Code CW General Electric 6J6 A Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1975-jan-rca-6sg7-tube-with-box-date-code-75-26-rca-6sg7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_0e94246a-6a4a-4697-9222-e4fdc6c9017b.webp?v=1765524468</image:loc>
      <image:title>(1) Tested 1975 JAN RCA 6SG7 Tube with Box Date Code 75-26 RCA 6SG7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-32et5a-tube-date-code-sk-general-electric-32et5-a-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_0ca9dc2d-f8e2-4257-9def-35e0ebf7c926.webp?v=1765524522</image:loc>
      <image:title>(1) Tested GE 32ET5A Tube Date Code SK General Electric 32ET5 A Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-zenith-6dq6b-tube-date-code-62-13-zenith-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_56c458c4-afe6-49fc-8be0-3bfafdf9543d.webp?v=1765524590</image:loc>
      <image:title>(1) Tested Strong Zenith 6DQ6B Tube Date Code 62-13 Zenith 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12av6-tube-date-code-bh-aun-12av6-twin-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_f1330b24-f3a4-4fc0-9384-837f0d569733.webp?v=1765524672</image:loc>
      <image:title>(1) Tested Sylvania 12AV6 Tube Date Code bh AUN 12AV6 Twin Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-17ay3-tube-with-box-rca-17ay3-half-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_9f4d4bc3-140d-4a45-9dd4-49bca3236276.webp?v=1765524760</image:loc>
      <image:title>(1) Tested RCA 17AY3 Tube with Box RCA 17AY3 Half Wave Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6cy5-tube-japan-with-box-date-code-s-02-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_cf721fcf-2dbb-4e9f-8e45-5556cf5082a3.webp?v=1765524821</image:loc>
      <image:title>(1) Tested Raytheon 6CY5 Tube Japan with Box Date Code S-02 Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6fq7-tube-date-code-509-long-gray-plates-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_ed96e916-126b-41e2-9062-32e33ddeb5ed.webp?v=1765525267</image:loc>
      <image:title>(1) Tested Magnavox 6FQ7 Tube Date Code 509 Long Gray Plates Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12k8-tube-date-code-109-black-metal-triode-hexode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_3dd4c6c1-ead4-49c7-bce4-a297d6bcca5f.webp?v=1765525338</image:loc>
      <image:title>(1) Tested RCA 12K8 Tube Date Code 109 Black Metal Triode Hexode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ag5-tube-date-code-ls-rca-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_0651331b-51b5-4ae5-bdf6-bd8c88a62e92.webp?v=1765525409</image:loc>
      <image:title>(1) Tested RCA 6AG5 Tube Date Code LS RCA Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6j7gt-tube-date-code-94x-6j7-gt-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_e054206b-a775-4365-905e-4b867c03a314.webp?v=1765525455</image:loc>
      <image:title>(1) Tested Silvertone 6J7GT Tube Date Code 94X 6J7 GT Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12ba6-tube-date-code-mk-12ba6-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_ed57915b-3119-4ec9-8926-7e2eba5212e4.webp?v=1765525530</image:loc>
      <image:title>(1) Tested 1965 Sylvania 12BA6 Tube Code mk 12BA6 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5u4gb-tube-date-code-nk-rca-5u4-gb-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_a42ff77b-c4da-4f31-8740-9f9419dfe034.webp?v=1765525597</image:loc>
      <image:title>(1) Tested RCA 5U4GB Tube Date Code NK RCA 5U4 GB Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-majestic-6av5gt-tube-date-code-0-39-ge-eia-188-6av5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_0069830b-9854-4fee-9a8d-75478806a1fc.webp?v=1765525671</image:loc>
      <image:title>(1) Tested Strong Majestic 6AV5GT Tube Date Code 0-39 GE EIA 188 6AV5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6fq7-tube-date-code-636-sylvania-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_7e9dcd39-cab8-477e-b258-306cca928a92.webp?v=1765525795</image:loc>
      <image:title>(1) Tested Sylvania 6FQ7 Tube Date Code 636 Sylvania Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3dt6a-tube-with-box-date-code-bm-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_14bf2249-5692-4c43-9a7f-b63ef3d2b40b.webp?v=1765525857</image:loc>
      <image:title>(1) Tested RCA 3DT6A Tube with Box Date Code BM Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6aq5a-tube-silvertone-6aq5-a-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_8e5a5188-c827-4975-bd73-e836fe4a9936.webp?v=1765525917</image:loc>
      <image:title>(1) Tested Silvertone 6AQ5A Tube Silvertone 6AQ5 A Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cl8a-tube-with-box-date-code-ah-ahz-sylvania-6cl8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_1826a984-672a-4ed4-a824-1a35b1e6ec50.webp?v=1765526004</image:loc>
      <image:title>(1) Tested Sylvania 6CL8A Tube with Box Date Code ah AHZ Sylvania 6CL8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-4a-radio-tube-socket-adapter-for-1c5gt-tube-to-3c5gt-tube-1</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_38bb85ee-d75d-4574-89c7-954d97e81c80.webp?v=1765526058</image:loc>
      <image:title>Vintage JFD Sockette 4A Radio Tube Socket Adapter For 1C5GT Tube to 3C5GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1953-sylvania-6bq6gt-tube-date-code-3-26-sylvania-6bq6-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_7115e434-a85d-49aa-9ab1-bb3a496d4b80.webp?v=1765526242</image:loc>
      <image:title>(1) Tested 1953 Sylvania 6BQ6GT Tube Date Code 3-26 Sylvania 6BQ6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-type-35-tube-engraved-base-date-code-j-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_2cd8ec1c-fcb2-4c2d-bdee-099923703931.webp?v=1765526368</image:loc>
      <image:title>(1) Tested National Union Type 35 Tube Engraved Base Date Code J Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6dx8-tube-date-code-7m-1584-japan-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_ca77d770-24a8-4bc1-b13d-8941f2454abd.webp?v=1765526440</image:loc>
      <image:title>(1) Tested Motorola 6DX8 Tube Date Code 7M-1584 Japan Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-8fq7-8cg7-tube-date-code-ey-general-electric-8fq7-tube-8cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_60d375d8-40de-442f-861c-bb85086d4c9c.webp?v=1765526553</image:loc>
      <image:title>(1) Tested GE 8FQ7/8CG7 Tube Date Code EY General Electric 8FQ7 Tube 8CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6k6gt-tube-sylvania-date-code-312-51-26-philco-6k6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_1c0adb12-9e52-4ee3-a420-8fd54425d11b.webp?v=1765526619</image:loc>
      <image:title>(1) Tested Philco 6K6GT Tube Sylvania Date Code 312 51-26 Philco 6K6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-0z4-tube-date-code-rc-3-tung-sol-0z4-gas-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_54f3af97-4ee1-4880-b22a-f6441f9607f0.webp?v=1765526677</image:loc>
      <image:title>(1) Tested Tung-Sol 0Z4 Tube Date Code RC-3 Tung Sol 0Z4 Gas Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-philco-7z4-tube-tall-bottle-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_6c5fdff0-8463-4355-a616-80ee0eb4d355.webp?v=1765526775</image:loc>
      <image:title>(1) Tested Balanced Philco 7Z4 Tube Tall Bottle Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6jc5-6jb5-6he5-tube-zenith-6jc5-6jb5-6he5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_5c3c58e8-56a1-486f-8e69-4185f19b7af9.webp?v=1765526921</image:loc>
      <image:title>(1) Tested Zenith 6JC5 6JB5 6HE5 Tube Zenith 6JC5/6JB5/6HE5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-emerson-6gm6-tube-date-code-2aa3-made-in-japan-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_0995f09a-8dd2-4a87-8f39-98bc436027d9.webp?v=1765527105</image:loc>
      <image:title>(1) Tested Dumont Emerson 6GM6 Tube Date Code 2AA3 Made in Japan Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6jb5-tube-vintage-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_9821b838-9462-4852-911a-1eb3e2f63067.webp?v=1765527162</image:loc>
      <image:title>(1) Tested Unbranded 6JB5 Tube Vintage Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bg6g-tube-date-code-ae-rca-6bg6-g-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_f5f99237-b41b-415b-b1ff-e1326995e9a3.webp?v=1765527282</image:loc>
      <image:title>(1) Tested RCA 6BG6G Tube Date Code AE RCA 6BG6 G Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt5-tube-with-box-date-code-dv-canada-rca-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_5146a8a8-0a11-4c05-b00a-d53fe7ac44e0.webp?v=1765558705</image:loc>
      <image:title>(1) Tested RCA 6DT5 Tube with Box Date Code DV Canada RCA Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-2n68-pnp-germanium-power-transistor-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_a1e60ab6-fc27-47f2-91d5-b67c73ebe218.webp?v=1765558791</image:loc>
      <image:title>(1) Tested Sylvania 2N68 PNP Germanium Power Transistor with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-32et5a-tube-with-box-date-code-bau-32et5-a-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_f843fb5e-3bed-4757-8697-9926c5a03325.webp?v=1765559204</image:loc>
      <image:title>(1) Tested Sylvania 32ET5A Tube with Box Date Code BAU 32ET5 A Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6bk5-tube-with-box-date-code-cl-rca-6bk5-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_c5074ba5-3f24-4b92-ab06-037507bc9c1d.webp?v=1765560486</image:loc>
      <image:title>(1) Tested Very Strong RCA 6BK5 Tube with Box Date Code CL RCA 6BK5 Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-70l7gt-tube-date-code-5226-pentode-rectifier-70l7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_18c1de64-919a-4edb-91d2-6645a5327a28.webp?v=1765560556</image:loc>
      <image:title>(1) Tested National Union 70L7GT Tube Date Code 5226 Pentode Rectifier 70L7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50x6-tube-with-box-code-252-loctal-rectifier-doubler</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_787bb0ac-ea14-41f3-a6cf-5e353471a4cb.webp?v=1765560712</image:loc>
      <image:title>(1) Tested RCA 50X6 Tube with Box Code 252 Loctal Rectifier Doubler</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-arcturus-6sh7-tube-date-code-1050-arcturus-6sh7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_f46e209e-f8fa-4031-a07a-f0ac15831bdd.webp?v=1765560774</image:loc>
      <image:title>(1) Tested Arcturus 6SH7 Tube Date Code 1050 Arcturus 6SH7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6eh7-ef183-tube-date-code-lf-made-in-great-britain-6eh7-tube-ef183</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_dd38b8fd-bc59-4184-8080-b6b6eb60d797.webp?v=1765561735</image:loc>
      <image:title>(1) Tested GE 6EH7/EF183 Tube Date Code LF Made in Great Britain 6EH7 Tube EF183</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12l6gt-tube-with-box-date-code-kn-rca-12l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_3065d1a0-cd56-4baa-b9c7-5b6717ea6c77.webp?v=1765561813</image:loc>
      <image:title>(1) Tested RCA 12L6GT Tube with Box Date Code KN RCA 12L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12ax4gtb-tube-with-box-date-code-67-52-canada-12ax4-gtb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_db2f4ced-9640-4e91-9b9b-05e4a71931c7.webp?v=1765561881</image:loc>
      <image:title>(1) Tested Westinghouse 12AX4GTB Tube with Box Date Code 67-52 Canada 12AX4 GTB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-131-tube-socket-adapter-convert-12sk7-tube-to-12sa7-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_7270572b-ed5f-47cc-a0ad-be7b383953db.webp?v=1765562061</image:loc>
      <image:title>Vintage Adaptol No. 131 Tube Socket Adapter Convert 12SK7 Tube to 12SA7 Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-13-4-ballast-tube-current-regulating-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_a58a33c6-b9f3-42b0-8e90-a29951162ebd.webp?v=1765562963</image:loc>
      <image:title>(1) Tested Amperite 13-4 Ballast Tube Current Regulating Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6al5-tube-date-code-ao-6al5-twin-diode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_a2b88360-b5f4-4714-8ac4-494fd8d30c43.webp?v=1765563783</image:loc>
      <image:title>(1) Tested RCA 6AL5 Tube Date Code AO 6AL5 Twin Diode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-6cy5-tube-with-box-date-code-68-30-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_17cd73d5-b73a-46bc-9466-36efe214d0ca.webp?v=1765563974</image:loc>
      <image:title>(1) Tested Amperex 6CY5 Tube with Box Date Code 68-30 Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-mullard-blackburn-el91-tube-6am5-date-code-1241-b2-pentode-output</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_5a7d10aa-5d60-48a8-bf84-665a2dcb2a64.webp?v=1765564083</image:loc>
      <image:title>(1) Tested Mullard Blackburn EL91 Tube (6AM5) Date Code 1241 B2 Pentode Output</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-1b3gt-tube-date-code-7r35-1b3-gt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_cd3782ec-2dbd-495a-b977-a001c3c7f146.webp?v=1765564154</image:loc>
      <image:title>(1) Tested Westinghouse 1B3GT Tube Date Code 7R35 1B3 GT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cu5-with-box-date-code-cv-black-plate-beam-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_e4baec4f-9856-410d-abf1-2a6aee100abd.webp?v=1765564242</image:loc>
      <image:title>(1) Tested RCA 6CU5 with Box Date Code CV Black Plate Beam Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cl6-tube-date-code-3-13-rca-6cl6-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_c9e3bd29-25ec-4747-97ae-a52cb24c8d24.webp?v=1765564314</image:loc>
      <image:title>(1) Tested RCA 6CL6 Tube Date Code 3-13 RCA 6CL6 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5u4gb-tube-smooth-black-plates-side-d-getter-code-59-48-5u4-gb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_66dd3939-442e-4741-985c-96b3e3755add.webp?v=1765564375</image:loc>
      <image:title>(1) Tested GE 5U4GB Tube Smooth Black Plates Side D Getter Code 59-48 5U4 GB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6k6gt-tube-date-code-248-power-pentode-delco-6k6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_7a3fce5b-7237-43f3-8e44-041ac6b09360.webp?v=1765564493</image:loc>
      <image:title>(1) Tested Delco 6K6GT Tube Date Code 248 Power Pentode Delco 6K6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5z3-tube-date-code-830-rca-full-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_50380fd3-3048-4d11-9530-936e3cf48545.webp?v=1765564567</image:loc>
      <image:title>(1) Tested RCA 5Z3 Tube Date Code 830 RCA Full Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6az8-tube-with-box-date-code-kg-medium-mu-triode-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_425d6bc9-ab56-46ee-935f-29d354fe95f9.webp?v=1765564662</image:loc>
      <image:title>(1) Tested RCA 6AZ8 Tube with Box Date Code KG Medium Mu Triode Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ed5-tube-with-box-date-code-af-rca-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_dfb188c8-fa52-442d-8f66-12bb591d8311.webp?v=1765564813</image:loc>
      <image:title>(1) Tested RCA 12ED5 Tube with Box Date Code AF RCA Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5v3-tube-date-code-nr-acr-5v3-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_ddd8c471-9ed5-4c4c-acc1-cbca2c308caf.webp?v=1765564899</image:loc>
      <image:title>(1) Tested Sylvania 5V3 Tube Date Code NR ACR 5V3 Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1941-western-electric-rca-12j5gt-tube-s1-vt-135-us-army-signal-corp</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_089e8eb6-b50e-4326-9787-3a9482e76d45.webp?v=1765566733</image:loc>
      <image:title>(1) Tested 1941 Western Electric RCA 12J5GT Tube S1 VT-135 US Army Signal Corp</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-12gn7-tube-japan-cool-chassis-gray-plate-halo-getter-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_3e994123-8448-4c4e-9c3a-cc5fd58769f8.webp?v=1765566865</image:loc>
      <image:title>(1) Tested Philco 12GN7 Tube Japan Cool Chassis Gray Plate Halo Getter Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35y4-tube-half-wave-rectifier-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_b3ad85af-2e6f-4b05-b578-43e299e1435b.webp?v=1765566986</image:loc>
      <image:title>(1) Tested Sylvania 35Y4 Tube Half Wave Rectifier Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1970-western-electric-415a-tubes-black-plate-codes-7026-7052</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_7f4aceb7-b1b1-4882-8f61-707d5cab32d7.webp?v=1765567066</image:loc>
      <image:title>Tested Matched Pair 1970 Western Electric 415A Tubes Black Plate Codes 7026 7052</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-17ax4gta-tube-date-code-62-35-general-electric-17ax4-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_21cf967b-4794-4d5a-8e78-70caddb1b927.webp?v=1765567132</image:loc>
      <image:title>(1) Tested GE 17AX4GTA Tube Date Code 62-35 General Electric 17AX4 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-10gn8-tube-high-mu-triode-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_ca50f05c-25a9-4f84-aa2f-e047cf52690c.webp?v=1765567272</image:loc>
      <image:title>(1) Tested Zenith 10GN8 Tube High Mu Triode Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-50b5-tube-with-box-date-code-60-52-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_a0cf7fee-d2a3-4724-9f8c-1b51d90af17f.webp?v=1765567347</image:loc>
      <image:title>(1) Tested Strong GE 50B5 Tube with Box Date Code 60-52 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-6bc8-tube-with-box-made-in-japan-date-code-321-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_89f33d87-2c73-44d0-a8fe-41e03d5adc80.webp?v=1765568474</image:loc>
      <image:title>(1) Tested ITT 6BC8 Tube with Box Made in Japan Date Code 321 Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-7x7-tube-code-752-loktal-tube-loctal-tube-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_1595ad89-7836-4f77-849a-7385d9b8804d.webp?v=1765568554</image:loc>
      <image:title>(1) Tested Raytheon 7X7 Tube Code 752 Loktal Tube Loctal Tube Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-automatic-12fr8-tube-medium-mu-triode-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_4cb663a4-a028-4fbd-9d6e-7419ae7617fa.webp?v=1765568620</image:loc>
      <image:title>(1) Tested Automatic 12FR8 Tube Medium Mu Triode Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-type-24-tube-engraved-base-24-tube-sharp-cutoff-tetrode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_ae3ecf66-ce21-4375-a4bd-6e920fd9f3bb.webp?v=1765568687</image:loc>
      <image:title>(1) Tested Tung-Sol Type 24 Tube Engraved Base 24 Tube Sharp Cutoff Tetrode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1971-western-electric-415a-tube-black-plate-o-ring-getter-code-7152</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_0890b862-7e9d-49e1-acc4-4581df4d3745.webp?v=1765570842</image:loc>
      <image:title>(1) Tested 1971 Western Electric 415A Tube Black Plate O Ring Getter Code 7152</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-type-24-tube-engraved-base-tung-sol-24-tetrode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_f30198e1-df59-4c84-a069-ecb068e8e6bd.webp?v=1765570916</image:loc>
      <image:title>(1) Tested Tung-Sol Type 24 Tube Engraved Base Tung Sol 24 Tetrode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-unbranded-6jb6-tube-9-pin-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_c42f125d-22f4-437b-83df-4c065f84b93b.webp?v=1765570983</image:loc>
      <image:title>(1) Tested Strong Unbranded 6JB6 Tube 9 Pin Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6sd7gt-tube-date-code-y4r-zenith-6sd7-gt-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_76dcdea3-eb80-4d46-972d-023c1e73d2e4.webp?v=1765571046</image:loc>
      <image:title>(1) Tested Zenith 6SD7GT Tube Date Code Y4R Zenith 6SD7 GT Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-jan-crc-6ab7-tube-vt-176-date-code-v3e-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_3eb1f636-4bc0-47de-8cde-e39c4ed46abc.webp?v=1765571110</image:loc>
      <image:title>(1) Tested Strong RCA JAN CRC 6AB7 Tube VT-176 Date Code V3E Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-motorola-19au4-tube-date-code-57-17-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_b5b4cd2e-a05f-403f-ad8a-299bbd52dcd0.webp?v=1765571172</image:loc>
      <image:title>(1) Tested Strong Motorola 19AU4 Tube Date Code 57-17 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8fq7-8cg7-tube-date-code-ek-rca-8fq7-tube-rca-8cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_125faa2f-a091-4cfc-a5b8-8c52b314cad1.webp?v=1765571226</image:loc>
      <image:title>(1) Tested RCA 8FQ7/8CG7 Tube Date Code EK RCA 8FQ7 Tube RCA 8CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-1dn5-tube-with-box-date-code-c12-diode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_67346b24-df6b-48a2-8e7b-9e37313a5952.webp?v=1765571284</image:loc>
      <image:title>(1) Tested Raytheon 1DN5 Tube with Box Date Code C12 Diode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-35l6gt-tube-date-code-7-09-ken-rad-35l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_c5f76545-8d7c-47c0-8e6c-8bf7ad80706c.webp?v=1765571342</image:loc>
      <image:title>(1) Tested Ken-Rad 35L6GT Tube Date Code 7-09 Ken Rad 35L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-20a-radio-tube-socket-adapter-6k8-tube-to-7b5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_89945319-baf7-4b22-b578-be0274aff4ef.webp?v=1765571476</image:loc>
      <image:title>Vintage JFD Sockette 20A Radio Tube Socket Adapter 6K8 Tube to 7B5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-5u4gb-tube-black-ribbed-plates-top-side-o-getter-code-bw</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_52a01b55-81d9-416d-9392-c6876a05429b.webp?v=1765571566</image:loc>
      <image:title>(1) Tested Balanced RCA 5U4GB Tube Black Ribbed Plates Top Side O Getter Code BW</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-2af4b-tube-date-code-xy-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_b5b82efa-d2fe-4fee-8c7c-47f30ac551e1.webp?v=1765571626</image:loc>
      <image:title>(1) Tested Sylvania 2AF4B Tube Date Code XY Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6t8a-tube-date-code-bu-rca-6t8-a-triple-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_87b0c5ed-898b-4401-96b8-c1fe841a1970.webp?v=1765571691</image:loc>
      <image:title>(1) Tested RCA 6T8A Tube Date Code BU RCA 6T8 A Triple Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sh7-tube-date-code-cz-general-electric-6sh7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_6c731b08-9e46-4b51-84eb-63f02d4c7d9d.webp?v=1765571785</image:loc>
      <image:title>(1) Tested GE 6SH7 Tube Date Code CZ General Electric 6SH7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7c5-tube-date-code-813-sylvania-7c5-loctal-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_f98bca82-1008-437c-bc27-97a430b67d92.webp?v=1765571860</image:loc>
      <image:title>(1) Tested 1958 Sylvania 7C5 Tube Code 813 Sylvania 7C5 Loctal Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-by-ken-rad-6sk7-tube-date-code-k9-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_ab5e7e04-bb5f-40a2-b7bd-a0e853ed9720.webp?v=1765571915</image:loc>
      <image:title>(1) Tested Crosley By Ken Rad 6SK7 Tube Date Code K9 Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6v3a-tube-date-code-gf-yan-sylvania-6v3-a-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_a3e16f6c-be40-4702-a471-267d682d17c5.webp?v=1765571998</image:loc>
      <image:title>(1) Tested Strong 1960 Sylvania 6V3A Tube Code GF YAN Sylvania 6V3 A Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-westinghouse-6w4gt-tube-date-code-8r26-westinghouse-6w4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_12571e67-1a87-4ff2-90a1-9812d012cecd.webp?v=1765572060</image:loc>
      <image:title>(1) Tested Strong Westinghouse 6W4GT Tube Date Code 8R26 Westinghouse 6W4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-25z5-tube-date-code-lr-rectifier-doubler-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_49098634-dfaa-41ce-9a1a-060393917a26.webp?v=1765572109</image:loc>
      <image:title>(1) Tested National Union 25Z5 Tube Date Code LR Rectifier Doubler Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-8fq7-tube-silvertone-medium-mu-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_e1d7e7e6-9e1d-4139-b5a6-1357363cd51e.webp?v=1765572284</image:loc>
      <image:title>(1) Tested Silvertone 8FQ7 Tube Silvertone Medium Mu Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12ax4gta-tube-date-code-57-35-general-electric-12ax4-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_ef34a2bc-e376-41de-8036-4065ad0b255b.webp?v=1765572337</image:loc>
      <image:title>(1) Tested GE 12AX4GTA Tube Date Code 57-35 General Electric 12AX4 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5au4-tube-date-code-60-30-general-electric-5au4-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_b25525a2-2b06-408b-aeb0-e0b232b7baaa.webp?v=1765572395</image:loc>
      <image:title>(1) Tested GE 5AU4 Tube Date Code 60-30 General Electric 5AU4 Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/untested-ge-1d21-sn4-tube-date-code-64-30-cold-cathode-neon-flash-strobotron</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_96eb6d34-427a-4165-a4a1-fbe0b841b130.webp?v=1765572776</image:loc>
      <image:title>Untested GE 1D21/SN4 Tube Date Code 64-30 Cold Cathode Neon Flash Strobotron</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-117z3-tube-date-code-2-17-general-electric-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_1f2a0012-3d6d-41a4-9678-297dda5f95b9.webp?v=1765572842</image:loc>
      <image:title>(1) Tested GE 117Z3 Tube Date Code 2-17 General Electric Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12el6-tube-with-box-dual-diode-high-mu-triode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_ae84d978-576a-4004-bb14-e97f29dcd08a.webp?v=1765572914</image:loc>
      <image:title>(1) Tested Raytheon 12EL6 Tube with Box Dual Diode High Mu Triode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-131-tube-socket-adapter-convert-12sk7-tube-to-12sa7-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_d146c0b8-1594-471a-966d-1c22cc339262.webp?v=1765572970</image:loc>
      <image:title>Vintage Adaptol No. 131 Tube Socket Adapter Convert 12SK7 Tube to 12SA7 Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aq5a-tube-rca-6aq5-a-date-code-69-39-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_b6a95786-3cee-4772-9c0f-6980720cfdfe.webp?v=1765573051</image:loc>
      <image:title>(1) Tested RCA 6AQ5A Tube RCA 6AQ5 A Date Code 69-39 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6dq5-tube-date-code-eg-agt-sylvania-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_df616c70-5e32-4bed-95a5-36a24fdab202.webp?v=1765573110</image:loc>
      <image:title>(1) Tested Sylvania 6DQ5 Tube Date Code eg AGT Sylvania Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1963-northern-electric-408a-tube-made-in-canada-date-code-6313</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_8972007e-fb5a-452a-98ff-5b206aa47e14.webp?v=1765573167</image:loc>
      <image:title>(1) Tested 1963 Northern Electric 408A Tube Made in Canada Date Code 6313</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-24a-radio-tube-socket-adapter-for-6sd7gt-tube-to-7a7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_3bc60de1-e2df-4c7f-b29d-bcb19862d7db.webp?v=1765573308</image:loc>
      <image:title>Vintage JFD Sockette 24A Radio Tube Socket Adapter For 6SD7GT Tube to 7A7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-i</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_1392847c-b7b1-470f-86b2-ba4528e4ca72.webp?v=1765573408</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (i)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25ec6-tube-date-code-58-30-general-electric-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_480d1742-02fd-4b9e-b58f-2444c8cfdb27.webp?v=1765573460</image:loc>
      <image:title>(1) Tested GE 25EC6 Tube Date Code 58-30 General Electric Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3gk5-tube-with-box-date-code-gb-akp-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_18cc9407-86e2-4cc2-bcec-3fd6aef45d44.webp?v=1765573527</image:loc>
      <image:title>(1) Tested Sylvania 3GK5 Tube with Box Date Code gb AKP High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6sa7-tube-with-box-date-code-61-04-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_9f8e616e-832f-433d-aaf6-0b4d3c8cf81d.webp?v=1765573615</image:loc>
      <image:title>(1) Tested Strong GE 6SA7 Tube with Box Date Code 61-04 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax4gtb-tube-date-code-mz-general-electric-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_c02793e2-acf7-412a-bb07-fcb5a297e7bd.webp?v=1765573685</image:loc>
      <image:title>(1) Tested GE 6AX4GTB Tube Date Code MZ General Electric 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1951-sylvania-jan-chs-7s7-tube-and-box-code-126-loctal-triode-heptode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_e549fabd-61da-4db8-93d2-c8116993d945.webp?v=1765573765</image:loc>
      <image:title>(1) Tested 1951 Sylvania JAN CHS 7S7 Tube and Box Code 126 Loctal Triode Heptode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6au5gt-tube-date-code-035-rca-6au5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_3da21171-d412-48e3-959f-d62753040190.webp?v=1765574164</image:loc>
      <image:title>(1) Tested Strong RCA 6AU5GT Tube Date Code 035 RCA 6AU5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6sa7-tube-date-code-50-39-pentagrid-converter-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_a709807e-4cb2-474e-a61a-e29ea5c37d37.webp?v=1765574237</image:loc>
      <image:title>(1) Tested Philco 6SA7 Tube Date Code 50-39 Pentagrid Converter Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-12sf7-tube-date-code-h5e-mil-spec-12sf7-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_5b4c100b-69f1-48f9-a803-500fe78812f6.webp?v=1765574284</image:loc>
      <image:title>(1) Tested RCA JAN CRC 12SF7 Tube Date Code H5E Mil Spec 12SF7 Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-realistic-lifetime-6kt8-tube-gold-pins-triode-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_ce93479c-2d8f-43d0-8b96-c89ee3c7aecc.webp?v=1765574345</image:loc>
      <image:title>(1) Tested Realistic Lifetime 6KT8 Tube Gold Pins Triode Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-shield-6w4gt-tube-shield-6w4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_38289bfb-7cab-4faa-ae5a-661712c1ed29.webp?v=1765574409</image:loc>
      <image:title>(1) Tested Strong Shield 6W4GT Tube Shield 6W4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-hitachi-japan-35l6gt-tube-made-in-japan-35l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_1af9bc5f-a5d3-45bd-9dd6-e75beb35db91.webp?v=1765574515</image:loc>
      <image:title>(1) Tested Unbranded Hitachi Japan 35L6GT Tube Made in Japan 35L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12au7a-ecc82-tube-date-code-afc-with-box-rca-12au7-a-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_b40c8b04-dbd2-42d2-bf53-492a43b1f518.webp?v=1765574720</image:loc>
      <image:title>(1) Tested RCA 12AU7A ECC82 Tube Date Code AFC with Box RCA 12AU7 A Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6b8g-tube-date-code-6s-engraved-base-6b8-g-twin-diode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_9e5fbaed-73ae-4a2d-bf2e-3682e9ec722d.webp?v=1765574786</image:loc>
      <image:title>(1) Tested Philco 6B8G Tube Date Code 6S Engraved Base 6B8 G Twin Diode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12el6-tube-with-box-code-io4-dual-diode-high-mu-triode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_14004e43-45e5-4815-bb22-24e73bb9cf03.webp?v=1765574866</image:loc>
      <image:title>(1) Tested Raytheon 12EL6 Tube with Box Code IO4 Dual Diode High Mu Triode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1l4-tube-with-box-date-code-60-48-general-electric-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_eafe3632-e54b-4dba-b5b5-8a1049dd2247.webp?v=1765575346</image:loc>
      <image:title>(1) Tested GE 1L4 Tube with Box Date Code 60-48 General Electric Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cb6-tube-date-code-cg-dbt-pentode-sylvania-6cb6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_699b3ea2-957f-4d72-8850-4e5dddb7602c.webp?v=1765575402</image:loc>
      <image:title>(1) Tested Sylvania 6CB6 Tube Date Code cg DBT Pentode Sylvania 6CB6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1a7gt-tube-with-box-date-code-lf-1a7-gt-tube-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_d67057d5-fe4e-48e4-ac50-846e7b1962de.webp?v=1765575490</image:loc>
      <image:title>(1) Tested RCA 1A7GT Tube with Box Date Code LF 1A7 GT Tube Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-50c6g-tube-date-code-030-rca-eia-50c6-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_8fd61ea6-3a5c-431d-abb5-ed3e1e20b167.webp?v=1765576006</image:loc>
      <image:title>(1) Tested Crosley 50C6G Tube Date Code 030 RCA EIA 50C6 G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12at7-tube-high-mu-twin-triode-vintage-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_5efd9fad-e95c-4777-9a4d-aeafd19e9eb8.webp?v=1765576074</image:loc>
      <image:title>(1) Tested Tung-Sol 12AT7 Tube High-Mu Twin Triode Vintage Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12ca5-tube-with-box-date-code-dea-nr-12ca5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_10197a65-2c58-4b15-a6fb-6565843830e7.webp?v=1765576160</image:loc>
      <image:title>(1) Tested Sylvania 12CA5 Tube with Box Date Code DEA NR 12CA5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3au6-tube-with-box-date-code-fb-sharp-cutoff-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_8254544c-20c9-42d2-a4d1-dd272236035b.webp?v=1765576233</image:loc>
      <image:title>(1) Tested RCA 3AU6 Tube with Box Date Code FB Sharp Cutoff Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-7a7-tube-date-code-a7-gm-7a7-tube-loctal-loktal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_60f06372-a5c4-4b2b-999f-c2c3aaa9f6ba.webp?v=1765576669</image:loc>
      <image:title>(1) Tested GM Delco 7A7 Tube Date Code A7 GM 7A7 Tube Loctal Loktal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-35b5-tube-with-box-date-code-213-beam-power-output-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_6a9bb8e5-43dd-4324-842d-0329b1064316.webp?v=1765576728</image:loc>
      <image:title>(1) Tested RCA 35B5 Tube with Box Date Code 213 Beam Power Output Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-12k8-tube-date-code-k5-r-ge-eia-triode-hexode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_db7ab28d-5502-43fc-b703-7cf280c27f34.webp?v=1765576791</image:loc>
      <image:title>(1) Tested Ken-Rad 12K8 Tube Date Code K5-R GE EIA Triode Hexode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1943-rca-u-s-navy-2x2-879-tube-ww2-tube-crc-2x2-879-date-code-k3e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_a2734840-eb56-4fae-80c5-678170d4e1fe.webp?v=1765576852</image:loc>
      <image:title>(1) Tested 1943 RCA U.S. Navy 2X2/879 Tube WW2 Tube CRC 2X2 879 Date Code K3E</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-jan-crc-6ab7-tube-vt-176-date-code-v3e-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_88006cdc-8fb0-48db-8d2a-b9e70ac081b2.webp?v=1765576911</image:loc>
      <image:title>(1) Tested Strong RCA JAN CRC 6AB7 Tube VT-176 Date Code V3E Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1965-western-electric-415a-tube-black-plate-square-getter-code-6539</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_3357e4dd-b37a-4546-9c9d-553c23b9d115.webp?v=1765577710</image:loc>
      <image:title>(1) Tested 1965 Western Electric 415A Tube Black Plate Square Getter Code 6539</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gm6-tube-date-code-hc-aeu-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_74b3f914-5a54-42e6-8f8d-344f89e99551.webp?v=1765577772</image:loc>
      <image:title>(1) Tested Sylvania 6GM6 Tube Date Code hc AEU Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cg8a-tube-code-ln-general-electric-6cg8-a-tube-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_8e91dd38-54f9-41b5-95f1-bd56a44a5fe6.webp?v=1765579130</image:loc>
      <image:title>(1) Tested GE 6CG8A Tube Code LN General Electric 6CG8 A Tube Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bh8-tube-with-box-date-code-bz-6bh8-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_fb853ded-e635-4d44-9e6d-87adf03479be.webp?v=1765579197</image:loc>
      <image:title>(1) Tested RCA 6BH8 Tube with Box Date Code BZ 6BH8 Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3ce5-tube-with-box-date-code-mi-sharp-cutoff-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_0b4d8591-ecf3-4a50-8585-30e36396730f.webp?v=1765579271</image:loc>
      <image:title>(1) Tested RCA 3CE5 Tube with Box Date Code MI Sharp Cutoff Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6j6a-tube-code-if-jas-6j6-a-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_8ea54007-e9b3-406b-b38c-89da4cf34e73.webp?v=1765579325</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6J6A Tube Code if JAS 6J6 A Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-capehart-jrc-6ak6-tube-date-code-3-35-power-amplifier-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_5f96bab0-a685-407d-8df4-b21cd52a62e5.webp?v=1765579385</image:loc>
      <image:title>(1) Tested Capehart JRC 6AK6 Tube Date Code 3-35 Power Amplifier Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-with-box-date-code-mb-black-plate-pentode-tube-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_41826551-8803-4707-a1ce-6a5f565dfba3.webp?v=1765579455</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube with Box Date Code MB Black Plate Pentode Tube (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-7c7-tube-loktal-tube-7c7-loctal-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_2e482f1c-9ff6-49f9-b33c-98c345cc413e.webp?v=1765579529</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 7C7 Tube Loktal Tube 7C7 Loctal Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-magnavox-12gn7a-tube-black-plates-halo-pentode-12gn7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_5a2bf28e-f663-49fa-9c89-2d89d8c82492.webp?v=1765579667</image:loc>
      <image:title>(1) Tested Strong Magnavox 12GN7A Tube Black Plates Halo Pentode 12GN7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-31lq6-tube-date-code-in-power-sweep-tube-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_b3be067b-f0c1-444e-961a-a5bb59aa0f89.webp?v=1765579759</image:loc>
      <image:title>(1) Tested Strong RCA 31LQ6 Tube Date Code IN Power Sweep Tube with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cunningham-type-58-tube-date-code-y6-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_d21dae10-3d36-44f7-bc9f-2bc661511c93.webp?v=1765579822</image:loc>
      <image:title>(1) Tested Cunningham Type 58 Tube Date Code Y6 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6br8a-tube-with-box-date-code-cb-rca-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_14fc644a-5b08-460c-9af3-5520829a42b0.webp?v=1765579887</image:loc>
      <image:title>(1) Tested RCA 6BR8A Tube with Box Date Code CB RCA Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12at7-ecc81-tube-date-code-sy-ge-12at7-ecc81-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_81228e45-0646-4985-a135-ca260614c614.webp?v=1765579954</image:loc>
      <image:title>(1) Tested GE 12AT7/ECC81 Tube Date Code SY GE 12AT7 ECC81 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-117z3-tube-with-box-date-code-1-13-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_c5e32b5d-6b23-475c-b83f-7b7e385e3404.webp?v=1765580026</image:loc>
      <image:title>(1) Tested 1951 Sylvania 117Z3 Tube with Box Code 1-13 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6k7-tube-date-code-p9-philco-pentode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_7323ac5b-72e0-4324-a1ab-6a1c92919c37.webp?v=1765580091</image:loc>
      <image:title>(1) Tested Philco 6K7 Tube Date Code P9 Philco Pentode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-with-box-date-code-nm-silver-plate-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_a1d081d4-a6b8-4446-b658-ccaae7c63edb.webp?v=1765580218</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube with Box Date Code NM Silver Plate Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6cb5a-tube-date-code-1063-philco-6cb5-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_d9987878-88a8-4887-8f67-ade21defddfb.webp?v=1765580465</image:loc>
      <image:title>(1) Tested Philco 6CB5A Tube Date Code EXT Philco 6CB5 A Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ken-rad-12at6-tube-date-code-6-30-twin-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_bcd9a51c-6dbd-4861-8e22-1f25c415148b.webp?v=1765580527</image:loc>
      <image:title>(1) Tested Strong Ken-Rad 12AT6 Tube Date Code 6-30 Twin Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6ag7-tube-date-code-h1e-rca-meatball-logo-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_d779c401-094f-484a-bb00-6d3ee62abe8f.webp?v=1765580579</image:loc>
      <image:title>(1) Tested Strong 1944 RCA 6AG7 Tube Date Code H1E RCA Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-6bq6ga-6cu6-tube-date-code-5-66-6bq6-gtb-tube-6cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_35a8b12e-532c-49da-aae0-324cb347bf9b.webp?v=1765580645</image:loc>
      <image:title>(1) Tested Rad-Tel 6BQ6GA/6CU6 Tube Date Code 5-66 6BQ6 GTB Tube 6CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k6gt-tube-date-code-59-48-general-electric-6k6-gt-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_970e61fc-fdd7-4e67-a99c-2b5459441b96.webp?v=1765580714</image:loc>
      <image:title>(1) Tested GE 6K6GT Tube Date Code 59-48 General Electric 6K6 GT Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-victor-6l7-tube-date-code-839-rca-pentagrid-mixer-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_f345daca-5645-4a4d-b4c9-3f4c5f15e515.webp?v=1765580778</image:loc>
      <image:title>(1) Tested RCA Victor 6L7 Tube Date Code 839 RCA Pentagrid Mixer Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/untested-sylvania-13-27681-4-redblue-tube-photomultiplier-flying-spot-scanners</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_934d8cd7-5959-4308-a8c7-23438747292b.webp?v=1765581003</image:loc>
      <image:title>Untested Sylvania 13-27681-4 RedBlue Tube Photomultiplier Flying Spot Scanners</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sn7gtb-tube-coin-base-black-plates-code-gl-apg-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_d4748626-fe43-4681-a0c1-89cc340849b4.webp?v=1765582691</image:loc>
      <image:title>(1) Tested Balanced RCA 6SN7GTB Tube Coin Base Black Plates Code GL APG 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-type-57-tube-date-code-7-04-rca-eia-code-57-tube-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_3205974b-606b-4011-87a0-940a8872028c.webp?v=1765907185</image:loc>
      <image:title>(1) Tested GE Type 57 Tube Date Code 7-04 RCA EIA Code 57 Tube Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12h6-tube-with-cleaver-brooks-box-date-code-de-diode-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_bbcaa407-8e01-482f-8e8a-a457c0838422.webp?v=1765909252</image:loc>
      <image:title>(1) Tested Strong 1970 RCA 12H6 Tube with Cleaver Brooks Box Code DE Diode (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-56-43-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_0959dbee-247d-4ab9-b71f-28195659f934.webp?v=1765911272</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code 56-43 RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bg6g-tube-date-code-8-48-general-electric-6bg6-g-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_9e91d338-c072-455d-804b-b940edb5198e.webp?v=1765911339</image:loc>
      <image:title>(1) Tested GE 6BG6G Tube Date Code 8-48 General Electric 6BG6 G Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-type-24-tube-engraved-base-24-tube-sharp-cutoff-tetrode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_061d5d7b-46e7-44e6-bb80-3f51961e8ab8.webp?v=1765911410</image:loc>
      <image:title>(1) Tested Tung-Sol Type 24 Tube Engraved Base 24 Tube Sharp Cutoff Tetrode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6ae5g-tube-date-code-dn-black-plate-low-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_72973e9b-cac4-46fb-b498-e2b79ff1132c.webp?v=1765911475</image:loc>
      <image:title>(1) Tested National Union 6AE5G Tube Date Code DN Black Plate Low Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-12-vintage-regency-monitoradio-scanner-pushbutton-slider-knobs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_d2f18db7-63b1-4533-aece-4619b9c49a3e.webp?v=1765911831</image:loc>
      <image:title>Lot of (12) Vintage Regency Monitoradio Scanner Pushbutton Slider Knobs</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-nos-tested-cbs-6ah4gt-tube-date-code-xc-cbs-6ah4-gt-tube-with-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_3196d463-de0b-4773-9edc-df4e6d0e2c68.webp?v=1765915701</image:loc>
      <image:title>(1) NOS Tested CBS 6AH4GT Tube Date Code XC CBS 6AH4 GT Tube with Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bl7gta-tube-date-code-fg-acl-sylvania-6bl7-gta-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_b3a6810e-d7ef-4a6d-8309-9835501991a0.webp?v=1765915777</image:loc>
      <image:title>(1) Tested 1959 Sylvania 6BL7GTA Tube Date Code FG ACL Sylvania 6BL7 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6gy6-tube-date-code-ct-6gy6-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_e287199a-ce85-42f3-ae20-b6a76e562fe8.webp?v=1765915837</image:loc>
      <image:title>(1) Tested Very Strong RCA 6GY6 Tube Date Code CT 6GY6 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-channel-master-6w6gt-tube-made-in-japan-channel-master-6w6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_c690ac25-6b78-46f2-b93b-1673774855c6.webp?v=1765915895</image:loc>
      <image:title>(1) Tested Channel Master 6W6GT Tube Made in Japan Channel Master 6W6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6af11-tube-compactron-dual-triode-sharp-cutoff-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_3b0767b2-bb24-45ac-aca8-a61ae663b600.webp?v=1765916037</image:loc>
      <image:title>(1) Tested GE 6AF11 Tube Compactron Dual Triode Sharp Cutoff Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sa7gt-g-tube-tung-sol-6sa7gt-g-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_c808bcaa-ed6c-4fdf-9b66-7896ea88b955.webp?v=1765916093</image:loc>
      <image:title>(1) Tested Tung-Sol 6SA7GT/G Tube Tung Sol 6SA7GT G Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6cs6-tube-with-box-date-code-5-22-general-electric-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_12ac201a-077a-42e0-940e-a3f31c63b8be.webp?v=1765916151</image:loc>
      <image:title>(1) Tested Strong GE 6CS6 Tube with Box Date Code 5-22 General Electric Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12l6gt-tube-date-code-nd-12l6-gt-tube-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_eae323fe-8758-444c-8931-63135c42e355.webp?v=1765916212</image:loc>
      <image:title>(1) Tested Strong RCA 12L6GT Tube Date Code ND 12L6 GT Tube Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6lr8-tube-date-code-nr-sylvania-6lr8-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_f5a7b330-0786-4721-9c1b-b8861a2675e0.webp?v=1765916292</image:loc>
      <image:title>(1) Tested Strong Sylvania 6LR8 Tube Date Code NR Sylvania 6LR8 Beam Power tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6080-tube-code-5-39-black-plate-rca-6080-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_693a167c-989c-4a5f-9fdf-2354a4b4b46c.webp?v=1765916337</image:loc>
      <image:title>(1) Tested RCA 6080 Tube Code 5-39 Black Plate RCA 6080 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-48-dumont-5v6-gt-beam-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_53131eaa-cae8-4059-92ae-56a2af1a4943.webp?v=1765916404</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-48 Dumont 5V6 GT Beam Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35b5-tube-with-box-date-code-426-beam-power-output-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_c6e4aadd-5b77-4c4a-ab54-197f052f4e39.webp?v=1765917472</image:loc>
      <image:title>(1) Tested Sylvania 35B5 Tube with Box Date Code 426 Beam Power Output Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bq6gtb-6cu6-tube-date-code-64-22-6bq6-gtb-tube-6cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_74d25fb3-2fa3-429c-9028-7cdf9c87f577.webp?v=1765917529</image:loc>
      <image:title>(1) Tested GE 6BQ6GTB/6CU6 Tube Date Code 64-22 6BQ6 GTB Tube 6CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax4gtb-tube-date-code-60-26-general-electric-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_1eab5d87-c2d3-415a-a58d-825b88829458.webp?v=1765917589</image:loc>
      <image:title>(1) Tested GE 6AX4GTB Tube Date Code 60-26 General Electric 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6sj7-tube-date-code-8r04-6sj7-sharp-cutoff-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_1fb1ac6d-073b-4ae5-8ef8-8133dd2f3b53.webp?v=1765917647</image:loc>
      <image:title>(1) Tested Westinghouse 6SJ7 Tube Date Code 8R04 6SJ7 Sharp Cutoff Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6sa7gt-g-tube-date-code-dc-pentagrid-converter-6sa7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_24cb089e-5e5f-4945-981a-93a9da94d3d6.webp?v=1765917700</image:loc>
      <image:title>(1) Tested National Union 6SA7GT/G Tube Date Code DC Pentagrid Converter 6SA7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-reliable-50b5-tube-with-box-reliable-50b5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_c35f6ca4-251c-40ae-ae3b-17770355bafc.webp?v=1765917778</image:loc>
      <image:title>(1) Tested Reliable 50B5 Tube with Box Reliable 50B5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12sn7gta-tube-with-box-gray-plates-date-code-60-48-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_7c4d3a4a-02da-49da-9c3b-18e5e5530539.webp?v=1765917835</image:loc>
      <image:title>(1) Tested GE 12SN7GTA Tube with Box Gray Plates Date Code 60-48 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12ay7-tube-date-code-613-3-gray-plates-square-d-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_2c008746-6528-4895-8553-1e0f41db1bf8.webp?v=1765917900</image:loc>
      <image:title>(1) Tested 1956 Tung-Sol 12AY7 Tube Code 613-3 Gray Plates Square D Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6w6gt-tube-date-code-61-17-general-electric-6w6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_b72d49cc-594c-46ef-a698-be7318181b47.webp?v=1765918039</image:loc>
      <image:title>(1) Tested Very Strong GE 6W6GT Tube Date Code 61-17 General Electric 6W6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-2cy5-tube-with-box-date-code-ea-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_56343294-2efd-401a-b4b2-b1d35189186b.webp?v=1765918107</image:loc>
      <image:title>(1) Tested Strong RCA 2CY5 Tube with Box Date Code EA Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35w4-tube-date-code-61-22-35w4-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_de145d8f-539f-45f6-86be-f5bf95905557.webp?v=1765918162</image:loc>
      <image:title>(1) Tested GE 35W4 Tube Date Code 61-22 35W4 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-silvertone-5v4ga-tube-date-code-5-39-5v4g-5v4-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_150dd9e3-430d-46b4-9935-3fdb2f6c3fc1.webp?v=1765918223</image:loc>
      <image:title>(1) Tested Balanced Silvertone 5V4GA Tube Date Code 5-39 5V4G 5V4 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-50b5-tube-date-code-w08-raytheon-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_cfab0f79-dd03-4a49-933c-9c423d82ee36.webp?v=1765918287</image:loc>
      <image:title>(1) Tested Raytheon 50B5 Tube Date Code W08 Raytheon Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-837-tube-date-code-63-17-rca-mil-spec-beam-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_7af2b1e2-a655-4be9-8fa7-cf87954b0ee6.webp?v=1765918363</image:loc>
      <image:title>(1) Tested RCA JAN CRC 837 Tube Date Code 63-17 RCA Mil-Spec Beam Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-25l6gt-tube-date-code-m-r-raytheon-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_60be03f9-0917-496b-bea2-e0943e5c0589.webp?v=1765918424</image:loc>
      <image:title>(1) Tested Strong Raytheon 25L6GT Tube Date Code M-R Raytheon 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-1203a-tube-date-code-g9-loktal-1203-a-tube-loctal-tube-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_c0aa4fb6-392d-4daa-b392-cce42e960435.webp?v=1765919310</image:loc>
      <image:title>(1) Tested Philco 1203A Tube Date Code G9 Loktal 1203 A Tube Loctal Tube Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-setchell-carlson-6ax4gt-tube-date-code-852-6ax4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_f39f7774-0ac5-4b21-bf5e-507bf615f8b6.webp?v=1765919377</image:loc>
      <image:title>(1) Tested Setchell Carlson 6AX4GT Tube Date Code 852 6AX4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/factory-sealed-1944-western-electric-tube-725a-navy-aircraft-ww2-tube-unopened</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_3cb76895-f32c-4c6b-8fa1-0224167d6968.webp?v=1765919516</image:loc>
      <image:title>Factory Sealed 1944 Western Electric Tube 725A Navy Aircraft WW2 Tube Unopened</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6av5ga-tube-date-code-kr-rca-6av5-ga-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_262ad9ea-0b4c-4b46-808b-7238584e3a21.webp?v=1765920385</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AV5GA Tube Date Code KR RCA 6AV5 GA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6es5-tube-date-code-bbc-high-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_73ebe528-6966-4846-94e6-f9c86921debd.webp?v=1765920530</image:loc>
      <image:title>(1) Tested Philco 6ES5 Tube Date Code BBC High Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ej7-tube-made-in-canada-date-code-jb8-2l2-6ej7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_33deb0c5-5170-40fb-be06-2dc34a11da8d.webp?v=1765920591</image:loc>
      <image:title>(1) Tested RCA 6EJ7 Tube Made in Canada Date Code JB8-2L2 6EJ7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6js6c-tube-6js6-c-vintage-beam-power-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_e5553afa-cff6-498f-97e2-e3f136aabae7.webp?v=1765920672</image:loc>
      <image:title>(1) Tested Unbranded 6JS6C Tube 6JS6 C Vintage Beam Power Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12h6-tube-with-cleaver-brooks-box-date-code-de-diode-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_bb8ad29a-4c98-4891-8ed8-6bc5d3625f64.webp?v=1765920733</image:loc>
      <image:title>(1) Tested Strong 1970 RCA 12H6 Tube with Cleaver Brooks Box Code DE Diode (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-motorola-17jz8-tube-golden-premium-rated-made-in-japan</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_862f475d-9e4e-4810-a917-d87f78d2960a.webp?v=1765920798</image:loc>
      <image:title>(1) Tested Strong Motorola 17JZ8 Tube Golden Premium Rated Made in Japan</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-10gn8-tube-date-code-1f-high-mu-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_5a78601e-50bc-4817-8be8-a818287bcd1a.webp?v=1765920870</image:loc>
      <image:title>(1) Tested Sylvania 10GN8 Tube Date Code 1F High Mu Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gu7-tube-date-code-ad-afj-sylvania-6gu7-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_77d0bad4-4a66-4c5b-b8a0-7b580fca6697.webp?v=1765920935</image:loc>
      <image:title>(1) Tested Sylvania 6GU7 Tube Date Code ad AFJ Sylvania 6GU7 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-type-27-tube-with-engraved-base-date-code-e6r-27-tube-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_a5ee14b3-4d92-4321-a68b-84fd5d59e3f6.webp?v=1765921053</image:loc>
      <image:title>(1) Tested Sylvania Type 27 Tube with Engraved Base Date Code E6R 27 Tube Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6dq6b-tube-date-code-6151-philco-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_93328a92-bda8-4679-863b-a1b98d7a25de.webp?v=1765921117</image:loc>
      <image:title>(1) Tested Philco 6DQ6B Tube Date Code 6151 Philco 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-vintage-sylvania-2n144-npn-germanium-transistor-with-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_8b3c3030-acc9-40ef-bf27-6c86826698f1.webp?v=1765921201</image:loc>
      <image:title>(1) Tested Vintage Sylvania 2N144 NPN Germanium Transistor with Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-tung-sol-6ag7-tube-date-code-235-tung-sol-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_aa4dde89-f151-4fc1-802b-6f8a05f24bbd.webp?v=1765921517</image:loc>
      <image:title>(1) Tested Strong 1952 Tung-Sol 6AG7 Tube Code 235 Tung Sol Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-33-tube-engraved-base-date-code-pb-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_7efe9895-ef48-4b13-a493-db9ace394580.webp?v=1765922032</image:loc>
      <image:title>(1) Tested Philco Type 33 Tube Engraved Base Date Code PB Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sf5-tube-date-code-4-22-rca-12sf5-high-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_e1b2fc42-c648-4b3d-9014-bb978ef41702.webp?v=1765922168</image:loc>
      <image:title>(1) Tested RCA 12SF5 Tube Date Code 4-22 RCA 12SF5 High Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-22de4-tube-date-code-egz-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_3743fa3d-dc5a-45ff-bb2b-98df36c97c27.webp?v=1765922225</image:loc>
      <image:title>(1) Tested Silvertone 22DE4 Tube Date Code EGZ Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-117p7gt-tube-date-code-652-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_79dec91f-b1e9-4fbc-a794-ae482bddb8b4.webp?v=1765922292</image:loc>
      <image:title>(1) Tested 1956 Tung Sol 117P7GT Tube Date Code 652 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12w6gt-tube-date-code-631-c-sylvania-12w6-gt-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_ff92d673-f294-4450-85ed-42e307063f3f.webp?v=1765922358</image:loc>
      <image:title>(1) Tested Sylvania 12W6GT Tube Date Code 631-C Sylvania 12W6 GT Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delta-6ax4gtb-tube-date-code-army-vpnh-delta-6ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_242e3ab7-3baa-44da-ac96-2c7fc4b1c8ae.webp?v=1765922420</image:loc>
      <image:title>(1) Tested Delta 6AX4GTB Tube Date Code Army VPNH Delta 6AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-x155-6bz8-tube-date-code-yhg-sylvania-6bz8-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_96ef8cb5-7686-4e69-b352-6851ed20d2a4.webp?v=1765922483</image:loc>
      <image:title>(1) Tested Sylvania X155 6BZ8 Tube Date Code YHG Sylvania 6BZ8 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cb6a-tube-date-code-mc-pentode-sylvania-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_31e08025-9656-4e04-ac94-0c624dff9555.webp?v=1765922555</image:loc>
      <image:title>(1) Tested Sylvania 6CB6A Tube Date Code MC Pentode Sylvania 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-export-12ed5-tube-and-box-date-code-rae-beam-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_af8f3138-9582-4e91-be7c-c6a8ca131bed.webp?v=1765922617</image:loc>
      <image:title>(1) Tested Sylvania Export 12ED5 Tube and Box Date Code RAE Beam Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6j6-tube-with-box-rca-medium-mu-twin-triode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_bdaa0d7d-8df7-41be-aeb4-e7d922adb466.webp?v=1765922682</image:loc>
      <image:title>(1) Tested RCA 6J6 Tube with Box RCA Medium Mu Twin Triode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-110-tube-socket-adapter-to-convert-7f7-tube-to-25z6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_adeb3737-48a4-442e-aad4-736f3bed7864.webp?v=1765922745</image:loc>
      <image:title>Vintage Adaptol No. 110 Tube Socket Adapter To Convert 7F7 Tube to 25Z6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-sylvania-6bh6-tubes-date-codes-cm-awm-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_e0768cab-59a0-4d2e-88d3-0d9d9983d52b.webp?v=1765922859</image:loc>
      <image:title>Tested Matched Pair Sylvania 6BH6 Tubes Date Codes cm AWM Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6aq5-tube-date-code-27-33-delco-6aq5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_c1125873-bfd3-49f3-b149-951dad8c8b4c.webp?v=1765922986</image:loc>
      <image:title>(1) Tested Delco 6AQ5 Tube Date Code 27-33 Delco 6AQ5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-1852-tube-date-code-1-35-general-electric-6ac7-tube-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_7c1610d3-0166-4787-9fba-29fe52437141.webp?v=1765923041</image:loc>
      <image:title>(1) Tested GE 6AC7/1852 Tube Date Code 1-35 General Electric 6AC7 Tube 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12cu5-12c5-tube-date-code-d12-12cu5-tube-12c5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_05183e28-a069-46e6-abe1-e746af876863.webp?v=1765924437</image:loc>
      <image:title>(1) Tested Raytheon 12CU5/12C5 Tube Date Code D12 12CU5 Tube 12C5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sk7-tube-with-box-date-code-bz-12sk7-pentode-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_9f9adde8-bd3a-4d13-ac6c-0a7fe66ed4c0.webp?v=1765924526</image:loc>
      <image:title>(1) Tested RCA 12SK7 Tube with Box Date Code BZ 12SK7 Pentode Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-0b3-tube-with-box-date-code-su-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_684faf09-c23e-4e93-91d6-c6f6c9cdd2b7.webp?v=1765924615</image:loc>
      <image:title>(1) Tested GE 0B3 Tube with Box Date Code SU Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-8fq7-tube-date-code-n-41-japan-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_8fb0125b-bc4e-4e7d-adb2-f04f28302450.webp?v=1765924690</image:loc>
      <image:title>(1) Tested Philco 8FQ7 Tube Date Code N-41 Japan Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gc5-tube-date-code-bj-noval-base-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_97c12c0c-d1b2-4d58-abdd-f6b1da0d71f3.webp?v=1765924794</image:loc>
      <image:title>(1) Tested RCA 6GC5 Tube Date Code BJ Noval Base Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-103ag-radio-tube-socket-adapter-1q5-tube-to-3s4-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_62b66020-851b-402f-b906-a677070e0bab.webp?v=1765924868</image:loc>
      <image:title>Vintage JFD Sockette 103AG Radio Tube Socket Adapter 1Q5 Tube to 3S4 Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bn4a-tube-date-code-cj-abu-medium-mu-triode-6bn4-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_75fa34d6-d570-48a6-b15f-98ad6bfb4b00.webp?v=1765924959</image:loc>
      <image:title>(1) Tested Sylvania 6BN4A Tube Date Code cj ABU Medium Mu Triode 6BN4 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6w4gt-tube-date-code-58-17-general-electric-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_9ae20873-5c7c-4104-a72a-d778cb800f93.webp?v=1765925026</image:loc>
      <image:title>(1) Tested Strong GE 6W4GT Tube Date Code 58-17 General Electric 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fm7-tube-with-box-6fm7-rca-dual-triode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_2d859f92-b245-47c8-8971-75e61b8e3aa3.webp?v=1765925090</image:loc>
      <image:title>(1) Tested RCA 6FM7 Tube with Box 6FM7 RCA Dual Triode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1958-sylvania-6n7-tube-date-code-8-26-medium-mu-twin-power-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_9c893606-2e24-41ef-a7a1-08a1b50506a3.webp?v=1765925145</image:loc>
      <image:title>(1) Tested 1958 Sylvania 6N7 Tube Date Code 8-26 Medium Mu Twin Power Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-7c5-tube-sylvania-jan-chs-7c5-loctal-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_de01e3d4-4c6b-46f7-965b-308365f8fdee.webp?v=1765925208</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 7C5 Tube Sylvania JAN-CHS-7C5 Loctal Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-5u4gb-tube-smooth-black-plates-dual-getters-code-gz-5u4-gb-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_3721a704-d7cf-4f68-9f10-7c3717c33a26.webp?v=1765925266</image:loc>
      <image:title>(1) Tested CBS 5U4GB Tube Smooth Black Plates Dual Getters Code GZ 5U4 GB Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6au6-tube-date-code-247-philco-6au6-sharp-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_786dcc07-709c-4da0-9bad-5bc8c2e19e83.webp?v=1765925324</image:loc>
      <image:title>(1) Tested Philco 6AU6 Tube Date Code 247 Philco 6AU6 Sharp Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-12cu6-tube-date-code-5509-cbs-hytron-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_2334192b-f208-41b5-889d-6e94ad6bf81a.webp?v=1765925388</image:loc>
      <image:title>(1) Tested Crosley 12CU6 Tube Date Code 5509 CBS Hytron EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5u4gb-tube-smooth-gray-plates-side-d-getter-code-61-39-5u4-gb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_2c22dd23-8d3a-4a37-939e-942328e47d5a.webp?v=1765925444</image:loc>
      <image:title>(1) Tested GE 5U4GB Tube Smooth Gray Plates Side D Getter Code 61-39 5U4 GB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-black-plate-with-box-date-code-mb-pentode-tube-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_a3003908-3de6-4076-8b3d-500601530d12.webp?v=1765925504</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube Black Plate with Box Date Code MB Pentode Tube (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6gm6-tube-semiremote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_95056eef-5da6-4f40-9b2e-6ae51f04b32c.webp?v=1765925567</image:loc>
      <image:title>(1) Tested Unbranded 6GM6 Tube SemiRemote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sl7gt-tube-thin-base-black-plates-date-code-nk-6sl7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_0837e811-4947-4ad1-b053-3a934a34124f.webp?v=1765925633</image:loc>
      <image:title>(1) Tested Balanced RCA 6SL7GT Tube Thin Base Black Plates Date Code NK 6SL7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-36am3b-tube-with-box-date-code-bax-36am3-b-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_6a56a05e-ec69-4bbb-aca2-9e8b8d5836e2.webp?v=1765925694</image:loc>
      <image:title>(1) Tested Sylvania 36AM3B Tube with Box Date Code BAX 36AM3 B Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6gh8a-tube-date-code-18-09-halo-getter-triode-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_5fda17f3-a826-412d-8862-0b017ce20649.webp?v=1765925760</image:loc>
      <image:title>(1) Tested Zenith 6GH8A Tube Date Code 18-09 Halo Getter Triode Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ibm-by-sylvania-6350-shiny-black-plates-horseshoe-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_3b815d68-8ded-4447-87bf-e26e58274060.webp?v=1765925826</image:loc>
      <image:title>(1) Tested IBM by Sylvania 6350 Shiny Black Plates Horseshoe Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-starlight-4bq7a-tube-with-box-code-6531-4bq7-a-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_6f272e41-6ced-48b3-b982-a4f4f1a471b5.webp?v=1765925893</image:loc>
      <image:title>(1) Tested Philco Starlight 4BQ7A Tube with Box Code 6531 4BQ7 A Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ay3-tube-with-box-date-code-6243-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_507f5729-259a-4ff2-b018-592b9ed74e79.webp?v=1765925957</image:loc>
      <image:title>(1) Tested Zenith 6AY3 Tube with Box Date Code 6243 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sn7gtb-tube-short-bottle-date-code-513-6sn7gt-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-1_2b107089-5e6d-4ebb-b2b9-c2313654bcab.webp?v=1765926945</image:loc>
      <image:title>(1) Tested Balanced 1955 RCA 6SN7GTB Tube Short Bottle Date Code 513 6SN7GT (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-western-electric-415a-tube-black-plate-square-getter-415-a-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_27f68a12-6063-4c78-adae-a9e054b0cf7e.webp?v=1765927073</image:loc>
      <image:title>(1) Tested Western Electric 415A Tube Black Plate Square Getter 415 A Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-type-78-tube-date-code-9w-zenith-78-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_916b056e-327c-477f-9a0e-65c4aec5f441.webp?v=1765927135</image:loc>
      <image:title>(1) Tested Zenith Type 78 Tube Date Code 9W Zenith 78 Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7c7-tube-with-box-date-code-6-52-loctal-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_ce8a1ad7-ea20-4b89-a745-818c9acf2a28.webp?v=1765927206</image:loc>
      <image:title>(1) Tested Strong 1956 Sylvania 7C7 Tube with Box Code 6-52 Loctal Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6au5gt-tube-date-code-at-rca-6au5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_c03f6191-9e38-45ab-989d-b58cdae5c81c.webp?v=1765927286</image:loc>
      <image:title>(1) Tested Strong RCA 6AU5GT Tube Date Code AT RCA 6AU5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3ce5-tube-with-box-date-code-mg-sharp-cutoff-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_729eac51-656d-45f6-b5c9-b7a2ace15cf3.webp?v=1765927341</image:loc>
      <image:title>(1) Tested RCA 3CE5 Tube with Box Date Code MG Sharp Cutoff Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12at6-tube-with-box-code-de-general-electric-twin-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_8205b5af-1b1a-45aa-9cc9-96746d9c76ce.webp?v=1765927404</image:loc>
      <image:title>(1) Tested GE 12AT6 Tube with Box Code DE General Electric Twin Diode Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-12sl7gt-tube-black-plates-12sl7-gt-high-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_c788a5a0-8eb3-47c8-80e4-983759b78a38.webp?v=1765927524</image:loc>
      <image:title>(1) Tested Unbranded 12SL7GT Tube Black Plates 12SL7 GT High Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-date-code-ag-sylvania-green-logo-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_c2a49c9a-d20e-4b13-822a-f4f4f5124c30.webp?v=1765927653</image:loc>
      <image:title>(1) Tested 1954 Sylvania 6W4GT Tube Date Code AG Sylvania Green Logo 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6aq5a-tube-6aq5-a-vintage-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_fd2fdd1f-a33a-4070-b8d3-49abd53ed60b.webp?v=1765927709</image:loc>
      <image:title>(1) Tested Unbranded 6AQ5A Tube 6AQ5 A Vintage Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6cy5-tube-sharp-cutoff-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_289a9a59-2365-468a-ac1b-17b43919c96c.webp?v=1765927777</image:loc>
      <image:title>(1) Tested Philco 6CY5 Tube Sharp Cutoff Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-6s4a-tube-date-code-61-26-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_0082f09e-e573-4253-b4e9-5dc988d0145a.webp?v=1765927850</image:loc>
      <image:title>(1) Tested Dumont 6S4A Tube Date Code 61-26 Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt6-tube-sharp-cut-off-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_9526b693-2ece-411f-b51d-2b6da1705518.webp?v=1765927897</image:loc>
      <image:title>(1) Tested RCA 6DT6 Tube Sharp Cut Off Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6bd6-tube-date-code-58-13-ge-eia-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_d7a9ec9f-45d9-4a2e-b8d2-8e659d15b640.webp?v=1765927954</image:loc>
      <image:title>(1) Tested Motorola 6BD6 Tube Date Code 58-13 GE EIA Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-hytron-6w4gt-tube-date-code-5439-cbs-6w4-gt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_e8ae053e-083f-433b-b81e-8780f10ddd52.webp?v=1765928013</image:loc>
      <image:title>(1) Tested CBS Hytron 6W4GT Tube Date Code 5439 CBS 6W4 GT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6v6gt-tube-date-code-eh-mtb-6v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_4b986407-895f-498b-a357-ebd407621d27.webp?v=1765928067</image:loc>
      <image:title>(1) Tested 1958 Sylvania 6V6GT Tube Date Code EH MTB 6V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-12k5-tube-date-code-5706-1-power-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_d365220b-feee-4cd5-8128-b23da99ccae0.webp?v=1765928135</image:loc>
      <image:title>(1) Tested Motorola 12K5 Tube Date Code 5706-1 Power Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-12dq6b-tube-date-code-ha-ddz-12dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_b5d6335c-1e44-4a90-aa38-de701d3871a2.webp?v=1765928191</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 12DQ6B Tube Date Code ha DDZ 12DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6au4gta-tube-with-box-date-code-mb-6au4-gta-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_a87ea8c0-c6f9-4da4-8df4-cfc430d31cd9.webp?v=1765928269</image:loc>
      <image:title>(1) Tested Strong RCA 6AU4GTA Tube with Box Date Code MB 6AU4 GTA Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax4gtb-tube-date-code-mu-general-electric-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_2283b1cd-f07d-44c8-99fd-46687d9e4775.webp?v=1765928389</image:loc>
      <image:title>(1) Tested GE 6AX4GTB Tube Date Code MU General Electric 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12v6gt-tube-date-code-nk-12v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_07e4efc7-1f43-440d-986d-29c6bdcd9798.webp?v=1765928447</image:loc>
      <image:title>(1) Tested RCA 12V6GT Tube Date Code NK 12V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3a3-tube-date-code-57-13-rca-3a3-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_0803cf25-0456-46bc-91ca-c16e082c305d.webp?v=1765928507</image:loc>
      <image:title>(1) Tested RCA 3A3 Tube Date Code 57-13 RCA 3A3 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3by6-tube-with-box-date-code-cb-pentagrid-amplifier-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_2d3f70c3-4d2a-44fd-b550-7b21b0a99730.webp?v=1765928560</image:loc>
      <image:title>(1) Tested 1956 Sylvania 3BY6 Tube with Box Code CB Pentagrid Amplifier Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6cl6-tube-date-code-ek-rca-6cl6-power-pentode-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_13262fc4-673e-41de-bf0e-699efd502a22.webp?v=1765928719</image:loc>
      <image:title>(1) Tested Strong RCA 6CL6 Tube Date Code EK RCA 6CL6 Power Pentode Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12av5ga-tube-date-code57-43-general-electric-12av5-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_36291ee8-417b-4e76-abc3-db7fe156ba50.webp?v=1765928841</image:loc>
      <image:title>(1) Tested GE 12AV5GA Tube Date Code57-43 General Electric 12AV5 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3ce5-tube-with-box-date-code-mg-sharp-cutoff-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_a2fbf5e5-9f8b-4592-a918-d3c6ccfded19.webp?v=1765928907</image:loc>
      <image:title>(1) Tested RCA 3CE5 Tube with Box Date Code MG Sharp Cutoff Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5x8-tube-date-code-gl-elm-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_ddc4d752-40ff-4fc9-ab50-9c045cef0cdc.webp?v=1765997912</image:loc>
      <image:title>(1) Tested 1960 Sylvania 5X8 Tube Date Code GL ELM Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6b7-vt-68-tube-mil-spec-code-v2-ken-rad-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_ac23ed48-1680-47cf-bd01-c670e58bcae3.webp?v=1765998077</image:loc>
      <image:title>(1) Tested Ken-Rad 6B7 VT-68 Tube Mil-Spec Code V2 Ken Rad Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7a7-tube-date-code-726-sylvania-7a7-tube-loctal-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_89153b20-761a-4888-a6e0-af19feccf7f4.webp?v=1765998331</image:loc>
      <image:title>(1) Tested 1957 Sylvania 7A7 Tube Code 726 Sylvania 7A7 Tube Loctal Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6gu7-tube-date-code-re-general-electric-6gu7-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_644089bf-3e33-41ad-8ad8-9d44245b9b9e.webp?v=1765998386</image:loc>
      <image:title>(1) Tested Balanced GE 6GU7 Tube Date Code RE General Electric 6GU7 Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12sf7-tube-date-code-626-general-electric-12sf7-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_ce61effc-92b8-4509-b18c-503f00603df7.webp?v=1765998445</image:loc>
      <image:title>(1) Tested GE 12SF7 Tube Date Code 626 General Electric 12SF7 Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-admiral-12ax4gta-tube-date-code-57-48-admiral-by-rca-12ax4-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_4002863a-5d45-48ac-9a22-9259de76fbcd.webp?v=1765998507</image:loc>
      <image:title>(1) Tested Strong Admiral 12AX4GTA Tube Date Code 57-48 Admiral by RCA 12AX4 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-cbs-6bk5-tube-date-code-59-52-6bk5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_16448931-acfa-43d9-87fd-3599ea2b97b1.webp?v=1765998574</image:loc>
      <image:title>(1) Tested Strong CBS 6BK5 Tube Date Code 59-52 6BK5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-7v7-tube-with-box-date-code-2r52-7v7-loctal-tube-loktal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_ffa4368c-0ec1-4954-92aa-092a9f2df5d0.webp?v=1765998667</image:loc>
      <image:title>(1) Tested Westinghouse 7V7 Tube with Box Date Code 2R52 7V7 Loctal Tube Loktal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6197-tube-date-code-re-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_5709435b-8310-4623-ade8-5b04f32a90f9.webp?v=1765998723</image:loc>
      <image:title>(1) Tested Sylvania 6197 Tube Date Code RE Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12a8gt-tube-date-code-717-general-electric-12a8-gt-pentagrid-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_e10e1545-2c50-4603-8eca-e567539e1ab0.webp?v=1765998788</image:loc>
      <image:title>(1) Tested GE 12A8GT Tube Date Code 717 General Electric 12A8 GT Pentagrid Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6av5ga-tube-date-code-kv-rca-6av5-ga-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_30ad6d0c-4af4-45a8-b14a-28116b5ba06a.webp?v=1765999516</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AV5GA Tube Date Code KV RCA 6AV5 GA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6w6gt-tube-date-code-ko-rca-6w6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_6b1469bf-5ab4-40bc-b2ac-4e2b9176eeb8.webp?v=1765999673</image:loc>
      <image:title>(1) Tested Strong RCA 6W6GT Tube Date Code KO RCA 6W6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-5z3-tube-hanging-filament-black-plates-date-code-jn</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_c6856c2f-6b09-430a-ac6f-38d60a57b5a3.webp?v=1765999743</image:loc>
      <image:title>(1) Tested National Union 5Z3 Tube Hanging Filament Black Plates Date Code JN</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-08-dumont-5v6-gt-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_41c5f50f-8bfa-4483-914d-ed1ff3c84ec1.webp?v=1765999813</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-08 Dumont 5V6 GT Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hewlett-packard-6au5gt-tube-date-code-60-09-rca-eia-6au5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_3d1361d0-8b6e-4dcf-8b7a-c7ce7687a546.webp?v=1765999895</image:loc>
      <image:title>(1) Tested Hewlett Packard 6AU5GT Tube Date Code 60-09 RCA EIA 6AU5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6x5gt-tube-date-code-3-04-6x5-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_168d603f-f857-468b-ab5a-8acd11ad68d4.webp?v=1765999970</image:loc>
      <image:title>(1) Tested Raytheon 6X5GT Tube Date Code 3-04 6X5 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6hf5-tube-date-code-do-rca-6hf5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_e837a06d-c77d-4bb8-b9d8-f7c946dc3952.webp?v=1766000040</image:loc>
      <image:title>(1) Tested Strong RCA 6HF5 Tube Date Code DO RCA 6HF5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au6-tube-date-code-352-rca-6au6-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_c351e8d7-4b6f-4d9f-afa6-11a50375cf36.webp?v=1766000131</image:loc>
      <image:title>(1) Tested RCA 6AU6 Tube Date Code 352 RCA 6AU6 Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6au4gta-tube-date-code-l1-rca-6au4-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_1c6acf1f-0a86-40af-8762-76a49a7ac3a1.webp?v=1766000210</image:loc>
      <image:title>(1) Tested Strong RCA 6AU4GTA Tube Date Code L1 RCA 6AU4 GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sb7y-tube-code-3-39-sylvania-6sb7-y-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_77cb8076-c519-4c9e-a3ff-15aaf5666288.webp?v=1766000285</image:loc>
      <image:title>(1) Tested 1953 Sylvania 6SB7Y Tube Code 3-39 6SB7 Y Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cd6ga-tube-date-code-ar-rca-6cd6-ga-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_1d3c5151-a7c3-420b-a991-dfeee74b1658.webp?v=1766001394</image:loc>
      <image:title>(1) Tested RCA 6CD6GA Tube Date Code AR RCA 6CD6 GA Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-6bc5-tube-date-code-61-47-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_d96ac045-11c1-4f76-bcc6-9f98efe82522.webp?v=1766001459</image:loc>
      <image:title>(1) Tested Strong Philco 6BC5 Tube Date Code 61-47 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12au7a-ecc82-tube-date-code-afc-with-box-rca-12au7-a-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_788f5663-a68a-4f88-8bbe-9c53f61211e4.webp?v=1766002391</image:loc>
      <image:title>(1) Tested RCA 12AU7A ECC82 Tube Date Code AFC with Box RCA 12AU7 A Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-jan-cg-6sa7-tube-date-code-2-04-jan-cg-6sa7y-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_9dbc0690-23e9-4b2c-ba98-315aa21c4b23.webp?v=1766002466</image:loc>
      <image:title>(1) Tested 1952 GE JAN CG 6SA7 Tube Code 2-04 JAN-CG-6SA7Y Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-5y3wgta-tube-brown-base-full-wave-rectifier-5y3-w-gta-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_241400b0-de5c-46f8-9624-1513462e8782.webp?v=1766002526</image:loc>
      <image:title>(1) Tested Unbranded 5Y3WGTA Tube Brown Base Full Wave Rectifier 5Y3 W GTA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bh11-tube-with-box-medium-mu-twin-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_4f1e2b75-c305-4cbd-9cf4-11ee3766398b.webp?v=1766002639</image:loc>
      <image:title>(1) Tested RCA 6BH11 Tube with Box Medium Mu Twin Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5v6gt-tube-with-box-date-code-58-48-ge-5v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_4363668d-f66f-4c55-95f1-8207a66a842f.webp?v=1766002758</image:loc>
      <image:title>(1) Tested GE 5V6GT Tube with Box Date Code 58-48 GE 5V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-7z4-tube-date-code-rex-rca-7z4-loctal-tube-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_af79328d-0cf3-40bd-a019-4082091e8834.webp?v=1766002817</image:loc>
      <image:title>(1) Tested Balanced RCA 7Z4 Tube Date Code REX RCA 7Z4 Loctal Tube Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-japan-6jc6a-tube-with-box-date-code-p02-6jc6-a-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_82a069da-f9f8-4663-9031-ac1be8d7fe3d.webp?v=1766002873</image:loc>
      <image:title>(1) Tested Raytheon Japan 6JC6A Tube with Box Date Code P02 6JC6 A Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-6v6gt-tube-black-glass-emerson-6v6-gt-tube-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_abc0ed2d-2cc6-4f53-91ab-24d521e45418.webp?v=1766002961</image:loc>
      <image:title>(1) Tested Emerson 6V6GT Tube Black Glass Emerson 6V6 GT Tube Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12ax4gta-tube-date-code-md3-12ax4-gta-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_b7183f44-7fe9-4bdb-8fd8-f26de1282cc9.webp?v=1766003036</image:loc>
      <image:title>(1) Tested Tung Sol 12AX4GTA Tube Date Code MD3 12AX4 GTA Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bg6ga-tube-date-code-58-43-beam-power-6bg6-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_7145613f-2e82-41ec-9682-ff0933585c31.webp?v=1766003099</image:loc>
      <image:title>(1) Tested GE 6BG6GA Tube Date Code 58-43 Beam Power 6BG6 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sl7gt-tube-black-plates-code-dd-cleaver-brooks-box-12sl7-gt-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_6d804126-ffa5-4706-958e-ffec63d64ba4.webp?v=1766003153</image:loc>
      <image:title>(1) Tested RCA 12SL7GT Tube Black Plates Code DD Cleaver Brooks Box 12SL7 GT (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50b5-tube-date-code-mb-rca-50b5-beam-power-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_474653f0-bc22-46b2-af47-12a241851990.webp?v=1766003255</image:loc>
      <image:title>(1) Tested RCA 50B5 Tube Date Code MB RCA 50B5 Beam Power Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6f6gt-tube-date-code-218-tung-sol-6f6-gt-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_6a001441-da80-43f6-b857-a653c3476b33.webp?v=1766003310</image:loc>
      <image:title>(1) Tested 1952 Tung Sol 6F6GT Tube Code 218 Tung-Sol 6F6 GT Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5aq5-tube-with-box-date-code-lh-general-electric-5aq5-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_c1807dc3-d120-4bd8-9da3-94305e5a8eb3.webp?v=1766003386</image:loc>
      <image:title>(1) Tested GE 5AQ5 Tube with Box Date Code LH General Electric 5AQ5 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12fx5-tube-date-code-67-17-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_2d57f9af-00f9-48d5-8180-adbf0064e302.webp?v=1766003445</image:loc>
      <image:title>(1) Tested RCA 12FX5 Tube Date Code 67-17 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-6ax4gtb-tube-date-code-53-29-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_ba8930e3-ac1f-41f2-89ff-013d80b575b9.webp?v=1766003535</image:loc>
      <image:title>(1) Tested Dumont 6AX4GTB Tube Date Code 53-29 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-genuine-parts-6v7g-tube-i7-engraved-base-general-motors-6v7-g-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_22d7c4b7-944c-4b06-8dc3-e3ef5fee3c4c.webp?v=1766003599</image:loc>
      <image:title>(1) Tested GM Genuine Parts 6V7G Tube I7 Engraved Base General Motors 6V7 G Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-12sn7gta-tube-gray-plates-code-6230-horseshoe-getter-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_9f109a8a-092a-4bb9-8eaf-421f4d3b5317.webp?v=1766003660</image:loc>
      <image:title>(1) Tested Philco 12SN7GTA Tube Gray Plates Code 6230 Horseshoe Getter 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-7a7-tube-7a7-tube-loctal-tube-loktal-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_81dba723-f122-482b-810d-f745593e0be2.webp?v=1766003727</image:loc>
      <image:title>(1) Tested Unbranded 7A7 Tube 7A7 Tube Loctal Tube Loktal Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6829-tube-with-box-date-code-226-double-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_646eb2ac-dcf8-41df-9ef2-d1e68552df5a.webp?v=1766003801</image:loc>
      <image:title>(1) Tested Westinghouse 6829 Tube with Box Date Code 226 Double Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6gn8-tube-with-box-date-code-dl-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_ff622922-0c1a-47d2-8fa8-0d1829bb3193.webp?v=1766004342</image:loc>
      <image:title>(1) Tested Very Strong RCA 6GN8 Tube with Box Date Code DL High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12hg7-12gn7a-tube-with-box-date-code-pqd-y-12hg7-tube-12gn7a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_9cdcb9d5-064f-4eb5-b24b-7f8fc537aa09.webp?v=1766004406</image:loc>
      <image:title>(1) Tested RCA 12HG7/12GN7A Tube with Box Date Code PQD-Y 12HG7 Tube 12GN7A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6j6a-tube-6j6-a-tube-red-letter-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_bad2fc01-8e19-42fe-a826-77058c415293.webp?v=1766004800</image:loc>
      <image:title>(1) Tested Sylvania 6J6A Tube 6J6 A Tube Red Letter Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1g3gt-1b3gt-tube-date-code-bl-rca-1g3-gt-tube-1b3-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_76ffafbc-af7c-4b7b-9829-0fa14a136951.webp?v=1766004860</image:loc>
      <image:title>(1) Tested RCA 1G3GT 1B3GT Tube Date Code BL RCA 1G3 GT Tube 1B3 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-mil-spec-rca-jan-crc-12sf7-tube-with-box-date-code-h5e-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_c1151281-ca8c-41c5-9291-7264dfdc62c3.webp?v=1766004931</image:loc>
      <image:title>(1) Tested 1944 Mil Spec RCA JAN CRC 12SF7 Tube with Box Date Code H5E (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6w6gt-tube-date-code-64-22-red-letter-halo-getter-6w6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_407a5e27-463b-4664-9dff-10250793161f.webp?v=1766005013</image:loc>
      <image:title>(1) Tested Strong GE 6W6GT Tube Date Code 64-22 Red Letter Halo Getter 6W6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12sl7gt-tube-black-plates-dd-cleaver-brooks-12sl7-gt-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_2ff5b149-82c0-41d5-a6d8-e83e35bb409b.webp?v=1766005075</image:loc>
      <image:title>(1) Tested Balanced RCA 12SL7GT Tube Black Plates DD Cleaver Brooks 12SL7 GT (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6au6-tube-date-code-939-6au6-sharp-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_2b2a5425-1487-4716-b231-f6f56dc9a40e.webp?v=1766005128</image:loc>
      <image:title>(1) Tested Admiral 6AU6 Tube Date Code 939 6AU6 Sharp Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-itt-6eb8-tube-with-box-made-in-japan-date-code-0h</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_37a828a4-4222-4025-acd3-bfee0995766a.webp?v=1766005194</image:loc>
      <image:title>(1) Tested Very Strong ITT 6EB8 Tube with Box Made in Japan Date Code 0H</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt6a-tube-rca-6dt6-a-sharp-cut-off-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_66770b15-d04e-4bb6-b3f6-75eb32bd7e03.webp?v=1766005272</image:loc>
      <image:title>(1) Tested RCA 6DT6A Tube RCA 6DT6 A Sharp Cut Off Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-cbs-6sn7gtb-tube-black-plates-with-box-code-6048-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_a6adbac3-4f59-4d63-98bf-7b3b39d88156.webp?v=1766005339</image:loc>
      <image:title>(1) Tested Balanced 1960 CBS 6SN7GTB Tube Black Plates with Box Code 6048 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1976-western-electric-408a-tube-with-box-o-ring-halo-getter-code-7613</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_50b678e6-7e90-42e1-b2ff-53b2a94a54ae.webp?v=1766005416</image:loc>
      <image:title>(1) Tested 1976 Western Electric 408A Tube with Box O Ring Halo Getter Code 7613</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6em5-tubes-and-boxes-date-codes-ek-beam-power-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_498aa004-c06f-4252-977e-296647c65737.webp?v=1766005492</image:loc>
      <image:title>Tested Matched Pair RCA 6EM5 Tubes and Boxes Date Codes EK Beam Power Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-u-s-navy-chs-6j5gt-g-tube-sylvania-6j5gt-g-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_e0795f50-9df3-4944-982b-7ba738c7745e.webp?v=1766005543</image:loc>
      <image:title>(1) Tested Sylvania U.S. Navy CHS-6J5GT/G Tube Sylvania 6J5GT G Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ck3-tube-with-box-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_87b3fed4-859f-4339-b467-427050827ea8.webp?v=1766005604</image:loc>
      <image:title>(1) Tested RCA 6CK3 Tube with Box Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-6cg7-6fq7-tube-gray-plates-6cg7-tube-6fq7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_41b43770-962b-4fd9-bfef-d6371f20e5ac.webp?v=1766005669</image:loc>
      <image:title>(1) Tested Balanced Sylvania 6CG7/6FQ7 Tube Gray Plates 6CG7 Tube 6FQ7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1967-western-electric-408a-tube-black-plates-square-getter-code-6739</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_78212d3b-ff8c-4343-93ff-e7fe386aa867.webp?v=1766005732</image:loc>
      <image:title>(1) Tested 1967 Western Electric 408A Tube Black Plates Square Getter Code 6739</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sq7gt-g-tube-date-code-5tr-sylvania-6sq7-gt-g-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_ccb66081-7c5b-460f-afc5-c26623a03fc5.webp?v=1766005791</image:loc>
      <image:title>(1) Tested Sylvania 6SQ7GT/G Tube Date Code 5TR Sylvania 6SQ7 GT G Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-6v6gt-g-tube-date-code-01-gm-6v6-gt-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_061d9e4a-aac1-4862-be08-07fda9c6cec8.webp?v=1766005851</image:loc>
      <image:title>(1) Tested GM Delco 6V6GT/G Tube Date Code 01 GM 6V6 GT/G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-48-dumont-5v6-gt-beam-power-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_db97ae3a-ccae-4e8a-8445-0e05d9d4d557.webp?v=1766005907</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-48 Dumont 5V6 GT Beam Power Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bu8-tube-red-letters-with-box-date-code-63-22-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_46ef5e76-7efb-4ed2-b8a4-4d33ecce1898.webp?v=1766005965</image:loc>
      <image:title>(1) Tested GE 6BU8 Tube Red Letters with Box Date Code 63-22 Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sn7gtb-tube-black-stagger-plates-date-code-kw-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_ff6c0593-a738-4d8f-abcf-8d32f324aa31.webp?v=1766006038</image:loc>
      <image:title>(1) Tested Balanced 1958 RCA 6SN7GTB Tube Black Stagger Plates Code KW 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-meck-12at6-tube-date-code-8-22-ge-eia-code-twin-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_633fae07-52f8-4d03-865c-5f0baf1d8ab8.webp?v=1766006101</image:loc>
      <image:title>(1) Tested Meck 12AT6 Tube Date Code 8-22 GE EIA Code Twin Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fq7-6cg7-tube-date-code-bu-rca-6fq7-tube-6cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_245dd296-364a-486a-8457-1e6c06422a4e.webp?v=1766006212</image:loc>
      <image:title>(1) Tested RCA 6FQ7/6CG7 Tube Date Code BU RCA 6FQ7 Tube 6CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6v6gt-tube-date-code-8-39-ge-eia-delco-6v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_93c410f0-5481-458b-bd8c-b5b40d340012.webp?v=1766006278</image:loc>
      <image:title>(1) Tested Delco 6V6GT Tube Date Code 8-39 GE EIA Delco 6V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-12cu5-12c5-tube-date-code-59-39-rca-eia-12cu5-tube-12c5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_1f1bad71-10c8-41cf-b486-923e7ba942a6.webp?v=1766006334</image:loc>
      <image:title>(1) Tested Admiral 12CU5/12C5 Tube Date Code 59-39 RCA EIA 12CU5 Tube 12C5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-25z6gt-tube-date-code-s9-25z6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_7e3d90ca-a6c0-4d3c-a28c-d8b427ae12bf.webp?v=1766006832</image:loc>
      <image:title>(1) Tested Strong Philco 25Z6GT Tube Date Code S9 25Z6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-untested-rca-1p40-tube-with-box-date-code-62-17-gas-phototube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_312d60a4-f1c2-4747-8c44-403e512a0115.webp?v=1766007267</image:loc>
      <image:title>(1) Untested RCA 1P40 Tube with Box Date Code 62-17 Gas Phototube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12au7a-ecc82-tube-with-box-code-c15-gray-plates-rca-12au7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_93fe1ac7-67df-4c1b-b664-d0fe9dfa30c8.webp?v=1766007350</image:loc>
      <image:title>(1) Tested RCA 12AU7A ECC82 Tube with Box Code C15 Gray Plates RCA 12AU7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6k8gt-tube-with-box-date-code-7-52-sylvania-6k8-gt-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_7977500f-6384-47c9-b5b1-6a4a559f330c.webp?v=1766007413</image:loc>
      <image:title>(1) Tested Sylvania 6K8GT Tube with Box Date Code 7-52 Sylvania 6K8 GT Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-zenith-13z10-13j10-tube-with-box-date-code-77-38-13z10-13j10</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_816bf9e9-9f5f-4c01-9db4-198d39309122.webp?v=1766007484</image:loc>
      <image:title>(1) Tested Strong Zenith 13Z10/13J10 Tube with Box Date Code 77-38 13Z10 13J10</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6c5-tube-date-code-k3-medium-mu-triode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_c94d842e-f81d-4520-bb7d-9895f4c81a58.webp?v=1766007565</image:loc>
      <image:title>(1) Tested RCA 6C5 Tube Date Code K3 Medium Mu Triode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25bq6gt-tube-date-code-ff-mjh-sylvania-25bq6-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_91f0d901-34db-4b46-8377-c13f8d5592be.webp?v=1766007629</image:loc>
      <image:title>(1) Tested Sylvania 25BQ6GT Tube Date Code FF MJH Sylvania 25BQ6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-amperex-6gn8-6eb8-tube-date-code-74-26-amperex-6gn8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_5ff47a34-de49-4a07-9109-3dbbf4a45575.webp?v=1766007691</image:loc>
      <image:title>(1) Tested Very Strong Amperex 6GN8/6EB8 Tube Date Code 74-26 Amperex 6GN8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6gy6-tube-date-code-63-26-6gy6-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_060d8c64-c7ff-4fe0-8d36-e7e8821edb4c.webp?v=1766007892</image:loc>
      <image:title>(1) Tested Magnavox 6GY6 Tube Date Code 63-26 6GY6 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-32et5-tube-with-box-date-code-g08-raytheon-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_3931363b-03e7-4a48-a218-2f645f6d9f9f.webp?v=1766007949</image:loc>
      <image:title>(1) Tested Raytheon 32ET5 Tube with Box Date Code G08 Raytheon Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6dq6b-6gw6-tube-code-5k-made-japan-6gw6-tube-6dq6-b-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_0a30e7ec-45e8-4f03-8826-707c1d5ea9c8.webp?v=1766008010</image:loc>
      <image:title>(1) Tested Westinghouse 6DQ6B/6GW6 Tube Code 5K Made Japan 6GW6 Tube 6DQ6 B Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12f5gt-tube-rca-meatball-logo-black-plate-12f5-gt-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_8dccb7d9-2d2e-437b-8a86-e7e3c39ae018.webp?v=1766008090</image:loc>
      <image:title>(1) Tested RCA 12F5GT Tube RCA Meatball Logo Black Plate 12F5 GT High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6eb8-tube-date-code-ap-high-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_e2fa7cbf-bb53-4cd0-bd65-5d7bb3287a61.webp?v=1766008206</image:loc>
      <image:title>(1) Tested RCA 6EB8 Tube Date Code AP High Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7ad7-tube-with-box-date-code-u3-power-pentode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_a508c371-1883-423f-a5ce-a4e892ebae4f.webp?v=1766008274</image:loc>
      <image:title>(1) Tested Philco 7AD7 Tube with Box Date Code U3 Power Pentode Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6fq7-6cg7-tube-gray-plates-o-foil-getter-6fq7-tube-6cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_03049b84-c4e2-41d7-a3cf-72cbf0e48af5.webp?v=1766008331</image:loc>
      <image:title>(1) Tested Raytheon 6FQ7/6CG7 Tube Gray Plates O Foil Getter 6FQ7 Tube 6CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-military-sylvania-jan-chs-6sn7wgt-tube-black-plates-6sn7-wgt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_c4b4061c-4ba6-41de-b8d9-f3ee9e40e3a6.webp?v=1766008397</image:loc>
      <image:title>Tested Balanced Military Sylvania JAN CHS 6SN7WGT Tube Black Plates 6SN7 WGT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gu7-tube-with-box-date-code-jge-c-6gu7-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_6d9e913e-badf-408a-8442-e1fe09f4968a.webp?v=1766008461</image:loc>
      <image:title>(1) Tested Sylvania 6GU7 Tube with Box Date Code JGE C 6GU7 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ew6-tube-date-code-64-26-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_d5cc16dc-db02-455f-bf68-e637ddf164b3.webp?v=1766008534</image:loc>
      <image:title>(1) Tested GE 6EW6 Tube Date Code 64-26 Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-coronado-type-27-tube-with-engraved-base-date-code-y-27-tube-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_00c0c5ea-1bd5-4267-8fbd-cdff76ee98de.webp?v=1766008822</image:loc>
      <image:title>(1) Tested Coronado Type 27 Tube with Engraved Base Date Code Y 27 Tube Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-jan-crp-70l7gt-tube-date-code-fe5-beam-power-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_0f7272c4-b1cd-43a5-b0f3-e8215ce443ff.webp?v=1766008881</image:loc>
      <image:title>(1) Tested Raytheon JAN CRP 70L7GT Tube Date Code FE5 Beam Power Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1953-sylvania-6n7-tube-code-3-26-medium-mu-twin-power-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_8dca7690-aeaf-4e34-95c9-2605bd93e074.webp?v=1766008935</image:loc>
      <image:title>(1) Tested 1953 Sylvania 6N7 Tube Code 3-26 Medium Mu Twin Power Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-cbs-6w4gt-tube-cbs-6w4-gt-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_75d8e7a4-f64e-4f65-ac86-4a3a292e96ce.webp?v=1766008995</image:loc>
      <image:title>(1) Tested Strong CBS 6W4GT Tube CBS 6W4 GT Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-ge-12sn7gta-tubes-gray-plates-date-codes-58-43-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_f498fd73-6899-4baf-9e30-98e70c76bc2b.webp?v=1766009164</image:loc>
      <image:title>Tested Matched Pair GE 12SN7GTA Tubes Gray Plates Date Codes 58-43 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ab4-tube-date-code-5-13-square-halo-getter-gray-plate-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_16bb26df-4886-4cab-80ce-2bb4ce1e91ba.webp?v=1766009244</image:loc>
      <image:title>(1) Tested GE 6AB4 Tube Date Code 5-13 Square Halo Getter Gray Plate Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-17jm6-tube-date-code-14-43-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_9b1e2db3-d882-4e25-bed7-a92c3059ea0d.webp?v=1766009549</image:loc>
      <image:title>(1) Tested Zenith 17JM6 Tube Date Code 14-43 with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-35l6gt-tube-date-code-226-35l6-gt-beam-power-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_7eb88250-75b5-4748-95fe-7c60d02c98bf.webp?v=1766009605</image:loc>
      <image:title>(1) Tested Raytheon 35L6GT Tube Date Code 226 35L6 GT Beam Power Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-date-code-430-black-staggered-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_2894c41e-675c-4802-b0c7-e16180589756.webp?v=1766009670</image:loc>
      <image:title>(1) Tested 1954 RCA 6SN7GTB Tube Date Code 430 Black Staggered Plates 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1967-western-electric-404a-tube-black-plates-square-getter-code-6739</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_af0a986e-d849-43db-8244-63d08c8b5e5a.webp?v=1766009736</image:loc>
      <image:title>(1) Tested 1967 Western Electric 404A Tube Black Plates Square Getter Code 6739</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-philips-ecg-italy-25z6gt-tube-code-gc-kcw-with-box-25z6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_d7c9c63b-dc88-4a56-b6c4-81ee67195f19.webp?v=1766009793</image:loc>
      <image:title>(1) Tested Sylvania Philips ECG Italy 25Z6GT Tube Code gc KCW with Box 25Z6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7a7-tube-date-code-r0-7a7-tube-philco-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_96fda491-0c73-45ad-88c7-0846fd0b7b9c.webp?v=1766009873</image:loc>
      <image:title>(1) Tested Philco 7A7 Tube Date Code R0 7A7 Tube Philco Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jf6-tube-date-code-mh-general-electric-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_c9bc299f-29df-44cd-af80-1d2211590b2e.webp?v=1766009940</image:loc>
      <image:title>(1) Tested GE 6JF6 Tube Date Code MH General Electric Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sj7-tube-with-box-date-code-mc-rca-sharp-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_f153d3ba-2c15-4e3c-a951-add02204f441.webp?v=1766010010</image:loc>
      <image:title>(1) Tested RCA 12SJ7 Tube with Box Date Code MC RCA Sharp Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gta-tube-black-t-plates-date-code-318-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_083666ec-60b9-4fa3-9e81-4149379812fb.webp?v=1766010076</image:loc>
      <image:title>(1) Tested 1953 Sylvania 6SN7GTA Tube 3 Hole Black T Plates Code 318 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-marconi-radiotron-e1148-tube-with-box-date-code-5-42-amp-oscillator</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_deb322b1-389c-4495-807d-8f5185634ac9.webp?v=1766010168</image:loc>
      <image:title>(1) Tested Marconi Radiotron E1148 Tube with Box Date Code 5-42 Amp Oscillator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6jc6a-tube-with-box-date-code-al-rca-6jc6-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_944b67d9-e652-4273-86f4-cbb5a235a2d5.webp?v=1766010233</image:loc>
      <image:title>(1) Tested RCA 6JC6A Tube with Box Date Code AL RCA 6JC6 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-25l6gt-tube-with-box-date-code-602-3-tung-sol-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_08ff3018-544b-474a-aeb9-12c0d73767a6.webp?v=1766010294</image:loc>
      <image:title>(1) Tested 1956 Tung-Sol 25L6GT Tube with Box Code 602-3 Tung Sol 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-amperex-bugle-boy-6gb5-el500-tube-magnoval-6gb5-tube-el500</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_01a2867c-789a-494e-9618-52a91dd9e4fb.webp?v=1766010714</image:loc>
      <image:title>(1) Tested Strong Amperex Bugle Boy 6GB5/EL500 Tube Magnoval 6GB5 Tube EL500</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gtb-tube-black-angled-t-plates-date-code-em-bfo-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_05855a16-8d4e-4f62-9613-6caacdc13447.webp?v=1766011252</image:loc>
      <image:title>(1) Tested Sylvania 1958 6SN7GTB Tube Black Angled T Plates Code EM BFO 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cl6-tube-date-code-ek-rca-6cl6-power-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_31f61b59-67ca-49ca-b515-2c6cf21ace09.webp?v=1766011316</image:loc>
      <image:title>(1) Tested RCA 6CL6 Tube Date Code EK RCA 6CL6 Power Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6l7-tube-date-code-p8-philco-pentagrid-mixer-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_36957cf6-266c-49a2-a5ee-da97427ad3e8.webp?v=1766011380</image:loc>
      <image:title>(1) Tested Philco 6L7 Tube Date Code P8 Philco Pentagrid Mixer Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2cy5-tube-with-box-date-code-ew-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_88d303f7-4945-4122-a53a-2e3c6af3f825.webp?v=1766011448</image:loc>
      <image:title>(1) Tested RCA 2CY5 Tube with Box Date Code EW Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-with-box-date-code-nm-silver-plate-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_de2f07f3-d151-4e68-bfe4-e9dd97602bbf.webp?v=1766011514</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube with Box Date Code NM Silver Plate Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cm7-tube-general-electric-6cm7-dual-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_c634e935-f611-4319-bf11-0db5a00328e8.webp?v=1766011567</image:loc>
      <image:title>(1) Tested GE 6CM7 Tube General Electric 6CM7 Dual Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-gm-delco-6sa7-tube-with-box-date-code-tr-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_e01403c2-e408-4450-8acd-28543297c44c.webp?v=1766011645</image:loc>
      <image:title>(1) Tested Strong GM Delco 6SA7 Tube with Box Date Code TR Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-75-tube-socket-adapter-to-convert-7a8-tube-to-12a8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_a7046868-326c-42b7-b444-a02b026e52f6.webp?v=1766011749</image:loc>
      <image:title>Vintage Adaptol No. 75 Tube Socket Adapter to Convert 7A8 Tube to 12A8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-25z6gt-g-tube-date-code-6-48-25z6-gt-g-rectifier-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_b7d82623-6702-4b2f-8a4f-38e8a96eafb6.webp?v=1766011812</image:loc>
      <image:title>(1) Tested Balanced RCA 25Z6GT/G Tube Date Code 6-48 25Z6 GT G Rectifier (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6sn7gtb-tube-black-angle-plates-date-code-58-04-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_6872c67b-23cb-4ebf-b4eb-ed7b28b1f3f0.webp?v=1766011882</image:loc>
      <image:title>(1) Tested 1958 Philco 6SN7GTB Tube Black Angle Plates Date Code 58-04 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6av5ga-tube-date-code-62-17-6av5-ga-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_7592575d-aeb0-4047-afaf-1bbf6e3f07ab.webp?v=1766011962</image:loc>
      <image:title>(1) Tested Strong GE 6AV5GA Tube Date Code 62-17 6AV5 GA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-ef184-6ej7-tube-great-britain-code-1022-130-6ej7-tube-ef184</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_3da264dd-fbef-492f-8b54-a5c642ebc1d3.webp?v=1766012210</image:loc>
      <image:title>(1) Tested Zenith EF184/6EJ7 Tube Great Britain Code 1022-130 6EJ7 Tube EF184</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12sg7-tube-date-code-mr3-tung-sol-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_827a9a00-5bb3-47f1-a374-20b84e32a253.webp?v=1766012291</image:loc>
      <image:title>(1) Tested Tung-Sol 12SG7 Tube Date Code MR3 Tung Sol Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6sn7gt-tube-tall-bottle-gray-t-plates-date-code-913-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_04f8829d-5d6f-42af-9b67-a13f541bb657.webp?v=1766012356</image:loc>
      <image:title>(1) Tested Magnavox 6SN7GT Tube Tall Bottle Gray T Plates Date Code 913 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-type-24a-tube-date-code-t4-rca-24-a-tube-sharp-cutoff-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_39432269-ff81-41f0-a2a5-59a4ddb940c4.webp?v=1766012429</image:loc>
      <image:title>(1) Tested RCA Type 24A Tube Date Code T4 RCA 24 A Tube Sharp Cutoff Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-wards-super-airline-12a-tubes-engraved-bases-codes-r-and-i</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_4a56a5bc-4e04-4646-9f72-5492384d6917.webp?v=1766012530</image:loc>
      <image:title>Tested Matched Pair Wards Super Airline 12A Tubes Engraved Bases Codes R and I</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-1-radio-tube-socket-adapter-1r5-tube-to-1a7-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_3d16f885-09b8-41a8-a213-36d70101dc2f.webp?v=1766012670</image:loc>
      <image:title>Vintage Adaptol No. 1 Radio Tube Socket Adapter 1R5 Tube to 1A7 Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-3d6-1299-tube-vt-185-loctal-tube-loktal-3d6-1299-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_9479fa91-d296-446e-b19f-befa4c1d9c58.webp?v=1766012761</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 3D6/1299 Tube VT-185 Loctal Tube Loktal 3D6 1299 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6sn7gta-tube-gray-plates-side-getter-code-2-52-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_a8c29050-1a7e-4573-804d-515fd5ec5272.webp?v=1766012817</image:loc>
      <image:title>(1) Tested Balanced GE 6SN7GTA Tube Gray Plates Side Getter Code 2-52 6SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6sk7-tube-date-code-9-22-delco-6sk7-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_984d67cb-021d-45a9-b9f0-c42e8bef0361.webp?v=1766012899</image:loc>
      <image:title>(1) Tested Delco 6SK7 Tube Date Code 9-22 Delco 6SK7 Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-35z4gt-tube-date-code-5139-35z4-gt-rectifier-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_236c8498-2889-4cfe-be85-fbb1b333a5af.webp?v=1766012962</image:loc>
      <image:title>(1) Tested National Union 35Z4GT Tube Date Code 5139 35Z4 GT Rectifier Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-silvertone-1p5gt-tube-with-box-date-code-143-1p5-gt-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_8deb153a-f435-42ee-b24e-cb7b990302e4.webp?v=1766013431</image:loc>
      <image:title>(1) Tested Strong Silvertone 1P5GT Tube with Box Date Code 143 1P5 GT Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-cbs-6sn7gtb-tube-short-bottle-black-plates-code-cf-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_839bb7ef-21d7-4465-ba56-f57dee09d413.webp?v=1766013508</image:loc>
      <image:title>(1) Tested Balanced 1956 CBS 6SN7GTB Tube Short Bottle Black Plate CF 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-1944-matched-pair-mil-spec-rca-jan-crc-12a6-tubes-date-codes-h6e-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_2e3e9d36-6173-4d6d-95bd-f6304e357cf6.webp?v=1766013583</image:loc>
      <image:title>Tested 1944 Matched Pair Mil Spec RCA JAN CRC 12A6 Tubes Date Codes H6E (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-by-arcturus-blue-pz-tube-type-47-tube-engraved-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_fdf8933b-ebe6-4d40-94ef-25c93b2905fc.webp?v=1766013657</image:loc>
      <image:title>(1) Tested Crosley by Arcturus Blue PZ Tube (Type 47) Tube Engraved Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7c7-tube-date-code-28-philco-loktal-tube-7c7-loctal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_be9e4be6-e2e0-4dce-a355-44e87ca09606.webp?v=1766013748</image:loc>
      <image:title>(1) Tested Philco 7C7 Tube Date Code 28 Philco Loktal Tube 7C7 Loctal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sf5-tube-date-code-nu3-6sf5-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_e7db29bd-3093-4ed7-8696-e178466612be.webp?v=1766013820</image:loc>
      <image:title>(1) Tested Tung Sol 6SF5 Tube Date Code NU3 6SF5 High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6jh6-tube-with-box-date-code-ca-rca-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_62a9bf67-b36f-4aee-a10c-9abe3a534f85.webp?v=1766070484</image:loc>
      <image:title>(1) Tested Strong RCA 6JH6 Tube with Box Date Code CA RCA Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-5u4g-tube-date-code-5439-5u4-g-shouldered-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_81494397-17da-4471-a1dc-dce0510f0c85.webp?v=1766070570</image:loc>
      <image:title>(1) Tested National Union 5U4G Tube Date Code 5439 5U4 G Shouldered Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au6a-tube-date-code-kl-anr-sylvania-6au6-a-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_6864ce48-e5a2-4cd2-9ac7-63f6ba84ad6b.webp?v=1766070663</image:loc>
      <image:title>(1) Tested Sylvania 6AU6A Tube Date Code kl ANR Sylvania 6AU6 A Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_23599c26-c870-4248-82dc-7ae37eaf5ff1.webp?v=1766070713</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6sn7gtb-tubes-black-plates-codes-ld-kg-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_68a7535d-fdd9-4975-ad0e-f1deea03539d.webp?v=1766070804</image:loc>
      <image:title>Tested Matched Pair RCA 6SN7GTB Tubes Black Plates Codes LD &amp; KG 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-35-tube-socket-adapter-replace-25z6-tube-with-25z5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_8d759794-6731-4f5f-bc1c-cc8760e9542c.webp?v=1766070896</image:loc>
      <image:title>Vintage Adaptol No. 35 Tube Socket Adapter Replace 25Z6 Tube with 25Z5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6j5gt-g-tube-date-code-le1-6j5gt-g-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_e4df9c12-4273-4aa3-b3e4-0fcf8043239f.webp?v=1766070955</image:loc>
      <image:title>(1) Tested Raytheon 6J5GT/G Tube Date Code LE1 6J5GT G Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6w6gt-tube-date-code-gg-mkb-sylvania-6w6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_1c333749-04fe-4e3d-b60b-9d0392bddfd0.webp?v=1766071013</image:loc>
      <image:title>(1) Tested Strong Sylvania 6W6GT Tube Date Code GG MKB Sylvania 6W6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cg8a-tube-with-box-date-code-av-6cg8-a-tube-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_5d7ae303-81b1-43be-89fa-c49c8e8bcb8b.webp?v=1766071073</image:loc>
      <image:title>(1) Tested RCA 6CG8A Tube with Box Date Code AV 6CG8 A Tube Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6sj7y-tube-box-date-code-5-48-6sj7-mil-spec-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_b9879d86-55f6-4b1b-be07-0d0dce5ba688.webp?v=1766071163</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6SJ7Y Tube &amp; Box Date Code 5-48 6SJ7 Mil-Spec Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-teltron-7a7-tube-date-code-55-8-7a7-tube-loctal-loktal-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_018f1875-a575-46bd-bc2b-407caf5b9f59.webp?v=1766071225</image:loc>
      <image:title>(1) Tested Teltron 7A7 Tube Date Code 55-8 7A7 Tube Loctal Loktal Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-victor-3q5gt-tube-date-code-y4-rca-3q5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_a4505f71-109a-483f-9b19-8ab341ed2668.webp?v=1766071279</image:loc>
      <image:title>(1) Tested Strong RCA Victor 3Q5GT Tube Date Code Y4 RCA 3Q5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6k6gt-tube-code-aa-aaj-sylvania-6k6-gt-tube-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_37a67142-46f5-4707-ab89-603035ca62f1.webp?v=1766071349</image:loc>
      <image:title>(1) Tested Sylvania 6K6GT Tube Code aa AAJ Sylvania 6K6 GT Tube Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-5u4gb-tube-tall-bottle-black-ribbed-plate-d-getter-code-le</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_0d5f35ea-9646-4726-a3c8-2e42d0040f8c.webp?v=1766071434</image:loc>
      <image:title>(1) Tested Strong RCA 5U4GB Tube Tall Bottle Black Ribbed Plate D Getter Code LE</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-1n5gt-g-tube-date-code-613-ken-rad-1n5-gt-g-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_1d43b567-7c0f-4324-883b-007c60e86a3e.webp?v=1766071486</image:loc>
      <image:title>(1) Tested Ken-Rad 1N5GT/G Tube Date Code 613 Ken Rad 1N5 GT/G Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-teltron-6v6gt-tube-teltron-6v6-gt-tube-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_c195a511-31d0-42b1-ae7b-06da312a6599.webp?v=1766071544</image:loc>
      <image:title>(1) Tested Teltron 6V6GT Tube Teltron 6V6 GT Tube Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gy6-tube-date-code-65-48-6gy6-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_f9c902c8-964c-4d7d-aa74-d673c2f68886.webp?v=1766071671</image:loc>
      <image:title>(1) Tested RCA 6GY6 Tube Date Code 65-48 6GY6 Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lsa-living-sounds-audio-6sn7-tube-gray-plates-date-code-t022-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_82ff9bd0-f8fe-41d4-a764-89ff1b657977.webp?v=1766071747</image:loc>
      <image:title>(1) Tested LSA Living Sounds Audio 6SN7 Tube Gray Plates Date Code T022 Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-6gh8a-tube-with-original-box-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_58d9a032-09da-472b-b218-30366de0d10f.webp?v=1766071865</image:loc>
      <image:title>(1) Tested Lindal 6GH8A Tube with Original Box Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-7ey6-tube-date-code-6101-c-tung-sol-eia-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_9d0d4841-8966-4cae-af79-b13d76b0dcac.webp?v=1766071933</image:loc>
      <image:title>(1) Tested 1961 Motorola 7EY6 Tube Date Code 6101-C Tung Sol EIA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1973-western-electric-415a-tubes-o-ring-halo-codes-7339</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_c73b5feb-6c44-46ba-8deb-34409e990254.webp?v=1766072585</image:loc>
      <image:title>Tested Matched Pair 1973 Western Electric 415A Tubes O Ring Halo Codes 7339</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jrc-6ak6-tube-date-code-3-39-rca-6ak6-power-amplifier-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_83be3726-3f2f-4cad-8995-0992f35683e3.webp?v=1766072705</image:loc>
      <image:title>(1) Tested RCA JRC 6AK6 Tube Date Code 3-39 RCA 6AK6 Power Amplifier Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2050-tube-date-code-5-26-rca-type-2050-tube-thyratron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_c18a301c-d16e-4001-9792-7fa28203e7f0.webp?v=1766075253</image:loc>
      <image:title>(1) Tested RCA 2050 Tube Date Code 5-26 RCA Type 2050 Tube Thyratron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6w4gt-tube-date-code-cn-cbs-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_21cd403f-4c43-487b-b917-7ffa9169e56e.webp?v=1766075321</image:loc>
      <image:title>(1) Tested CBS 6W4GT Tube Date Code CN CBS 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6af4-tube-date-code-57-52-medium-mu-triode-tube-sylvania-eia</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_a5425f04-84c5-44d2-b1ae-64d28e05cf36.webp?v=1766075402</image:loc>
      <image:title>(1) Tested Philco 6AF4 Tube Date Code 57-52 Medium Mu Triode Tube Sylvania EIA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1963-sylvania-6dt5-tube-with-box-date-code-kd-jbk-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_fca5287f-12a0-4e41-b50e-c78f0be7114a.webp?v=1766076452</image:loc>
      <image:title>(1) Tested 1963 Sylvania 6DT5 Tube with Box Date Code kd JBK Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-code-59-17-staggered-black-ladder-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_a88e1429-9cdd-4b56-9f21-8ac7c7269cfd.webp?v=1766076530</image:loc>
      <image:title>(1) Tested 1959 RCA 6SN7GTB Tube Code 59-17 Staggered Black Ladder Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-7868-tube-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_bd218037-7b05-43ea-abce-1daa378cc608.webp?v=1766076600</image:loc>
      <image:title>(1) Tested Unbranded 7868 Tube Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-jan-cg-393a-tube-general-electric-393a-thyratron-tube-code-2-30</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_c3afb7b3-633d-43ed-b12e-05fc7bf079f8.webp?v=1766076708</image:loc>
      <image:title>(1) Tested GE JAN CG 393A Tube General Electric 393A Thyratron Tube Code 2-30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6ax4gt-tube-date-code-55-34-philco-6ax4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_c8a5f5ef-cb3b-425f-a4a9-bb5c6b39524d.webp?v=1766076797</image:loc>
      <image:title>(1) Tested Philco 6AX4GT Tube Date Code 55-34 Philco 6AX4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7q7-tube-with-original-box-pentagrid-converter-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_c8c4a284-1933-4138-8b41-c36b139ca208.webp?v=1766076875</image:loc>
      <image:title>(1) Tested Sylvania 7Q7 Tube with Original Box Pentagrid Converter Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6as5-tube-with-box-date-code-cj-rca-6as5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_2f500431-20b7-4a3e-abfa-ae011da371af.webp?v=1766077692</image:loc>
      <image:title>(1) Tested Strong RCA 6AS5 Tube with Box Date Code CJ RCA 6AS5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-jan-cg-6sa7-tube-date-code-2-13-jan-cg-6sa7y-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_0d0951b5-db26-4006-a105-b38188b09906.webp?v=1766077763</image:loc>
      <image:title>(1) Tested GE JAN CG 6SA7 Tube Date Code 2-13 JAN-CG-6SA7Y Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-1920s-majestic-super-power-ap-tube-for-display-only-globe-balloon-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_889462bb-8f44-40a8-8e1e-9048a0b59663.webp?v=1766077849</image:loc>
      <image:title>(1) 1920s Majestic Super Power AP Tube For Display Only Globe Balloon Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sn7gtb-tube-gray-plates-horseshoe-getter-code-56-17-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_04c28502-5344-4b38-946e-1543d617d217.webp?v=1766077935</image:loc>
      <image:title>(1) Tested GE 6SN7GTB Tube Gray Plates Horseshoe Getter Code 56-17 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-6as5-tube-date-code-6-66-6as5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_cfe49918-8b6d-4834-af96-33b7645dd250.webp?v=1766077987</image:loc>
      <image:title>(1) Tested Rad-Tel 6AS5 Tube Date Code 6-66 6AS5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-raytheon-6bl7gta-tube-6bl7-gta-tube-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_e933cf8a-1ffa-4871-aefd-808aa0f79cee.webp?v=1766078051</image:loc>
      <image:title>(1) Tested Very Strong Raytheon 6BL7GTA Tube 6BL7 GTA Tube Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0b2-tube-rca-0b2-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_32a53288-9102-47ad-9a6d-1eb8d791904a.webp?v=1766078116</image:loc>
      <image:title>(1) Tested RCA 0B2 Tube RCA 0B2 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-24a-tube-engraved-base-date-code-u6-24-a-tube-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_75e847af-68c2-4e5c-ae75-1e09fc2edee7.webp?v=1766078182</image:loc>
      <image:title>(1) Tested Philco Type 24A Tube Engraved Base Date Code U6 24 A Tube Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-pair-of-sylvania-5654-6ak5w-tubes-with-boxes-codes-bh-made-in-india-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_07307b58-a6aa-4cf7-b610-778daf9db8ac.webp?v=1766078250</image:loc>
      <image:title>Tested Pair of Sylvania 5654 6AK5W Tubes with Boxes Codes BH Made in India (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-110-tube-socket-adapter-used-to-replace-7f7-tube-with-25z6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_4994a414-2695-4711-a35f-1091ab0d18af.webp?v=1766078323</image:loc>
      <image:title>Vintage Adaptol 110 Tube Socket Adapter Used To Replace 7F7 Tube with 25Z6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ax4gtb-tube-date-code-dv-coin-base-rca-6ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_866003ae-0734-4964-8791-818bc96695be.webp?v=1766078381</image:loc>
      <image:title>(1) Tested RCA 6AX4GTB Tube Date Code DV Coin Base RCA 6AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-sylvania-type-24a-tubes-engraved-base-foil-getters-codes-d7r</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_6d60e755-b68f-4690-bea8-a51ff0c33cba.webp?v=1766078764</image:loc>
      <image:title>Tested Matched Pair Sylvania Type 24A Tubes Engraved Base Foil Getters Codes D7R</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-westinghouse-6w4gt-tube-date-code-3-04-westinghouse-6w4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_07ac9bbe-c5ea-40a5-a29c-5f5483bdb2f6.webp?v=1766078824</image:loc>
      <image:title>(1) Tested Strong Westinghouse 6W4GT Tube Date Code 3-04 Westinghouse 6W4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-beckman-5u4gb-tube-smooth-gray-plates-side-getter-68-30-ge-eia-5u4-gb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_78560718-cb32-4b3a-b162-215425e9cddb.webp?v=1766078884</image:loc>
      <image:title>(1) Tested Beckman 5U4GB Tube Smooth Gray Plates Side Getter 68-30 GE EIA 5U4 GB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6de4-tube-with-box-date-code-al-rca-6de4-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_79a3eb4d-7a9a-49e0-be41-a57f8c9a916c.webp?v=1766078941</image:loc>
      <image:title>(1) Tested RCA 6DE4 Tube with Box Date Code AL RCA 6DE4 Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fy7-tube-with-box-rca-6fy7-dual-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_e389cef1-4270-4425-8367-3930b6a90b19.webp?v=1766079002</image:loc>
      <image:title>(1) Tested RCA 6FY7 Tube with Box RCA 6FY7 Dual Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-12k5-tube-general-motors-12k5-power-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_271e3b23-61cf-47c9-9ad4-93a0270a84bc.webp?v=1766079065</image:loc>
      <image:title>(1) Tested GM Delco 12K5 Tube General Motors 12K5 Power Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6ay3-tube-box-date-code-db-azn-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_2704c2a5-4c22-4fc4-bb40-4df8e1bdedbb.webp?v=1766079139</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6AY3 Tube &amp; Box Date Code db AZN Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sh7-tube-date-code-8-48-general-electric-6sh7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_56f8620e-0eef-4f22-b02a-641a917124a3.webp?v=1766079242</image:loc>
      <image:title>(1) Tested GE 6SH7 Tube Date Code 8-48 General Electric 6SH7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1970-western-electric-415a-tubes-black-plates-codes-7026</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_57d4afc8-da4e-4ed9-a9eb-7123d7b3dc77.webp?v=1766079297</image:loc>
      <image:title>Tested Matched Pair 1970 Western Electric 415A Tubes Black Plates Codes 7026</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-rca-radiotron-ux-120-tubes-type-20-ux-120-tubes-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_d31a26c0-4507-4e34-8963-5da32a2893d4.webp?v=1766079358</image:loc>
      <image:title>Tested Matched Balanced Pair RCA Radiotron UX-120 Tubes Type 20 UX 120 Tubes (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-u-s-n-crc-12a6-tube-date-code-k3e-rca-12a6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_2e664d14-acb5-4019-b2ea-edb3287f6902.webp?v=1766079421</image:loc>
      <image:title>(1) Tested Very Strong RCA U.S.N. CRC 12A6 Tube Date Code K3E RCA 12A6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6fq7-6cg7-tube-date-code-nv-general-electric-6fq7-tube-ge-6cg7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_cafcac54-f1ad-4fa8-bd88-a3c3e1594cb4.webp?v=1766079480</image:loc>
      <image:title>(1) Tested GE 6FQ7/6CG7 Tube Date Code NV General Electric 6FQ7 Tube GE 6CG7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sn7gtb-tube-code-nb-black-plates-o-getter-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_f2ddcf81-d2fb-4959-97ac-3fc7750eb552.webp?v=1766085227</image:loc>
      <image:title>(1) Tested Balanced 1963 RCA 6SN7GTB Tube Code NB Black Plates O Getter 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-adaptol-universal-tube-socket-adapter-1r5-tube-to-1a7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_9c2299ad-16ac-402a-8f3a-97a217d0206f.webp?v=1766085316</image:loc>
      <image:title>Vintage JFD Adaptol Universal Tube Socket Adapter 1R5 Tube to 1A7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-nos-zenith-22ju6-tube-with-box-date-code-274-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_1a374f0c-0edf-4a4e-8c40-02d9a437f7fb.webp?v=1766087156</image:loc>
      <image:title>(1) Tested Strong NOS Zenith 22JU6 Tube with Box Date Code 274 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6dw4-tube-date-code-gk-ala-sylvania-rectifier-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_97d56b9a-1272-4590-aa8a-e4d311686023.webp?v=1766087303</image:loc>
      <image:title>(1) Tested Strong Sylvania 6DW4 Tube Date Code gk ALA Sylvania Rectifier (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-7a7-tube-date-code-939-gm-7a7-tube-loctal-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_bda502a5-41c6-4079-99ec-7d8498ca8ea0.webp?v=1766087362</image:loc>
      <image:title>(1) Tested GM Delco 7A7 Tube Date Code 939 GM 7A7 Tube Loctal Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ag7-tube-date-code-ko-rca-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_caa15b89-5ca5-461c-a837-dcd61a86b433.webp?v=1766087415</image:loc>
      <image:title>(1) Tested RCA 6AG7 Tube Date Code KO RCA Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ag7-tube-date-code-ko-rca-power-pentode-vacuum-tube-1</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_caa15b89-5ca5-461c-a837-dcd61a86b433.webp?v=1766087415</image:loc>
      <image:title>(1) Tested RCA 6AG7 Tube Date Code KO RCA Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6dw4-tube-sylvania-6dw4-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_9d1cb3d1-425f-445b-9b26-eaafa4c362b1.webp?v=1766087480</image:loc>
      <image:title>(1) Tested Strong Sylvania 6DW4 Tube Sylvania 6DW4 Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_c958324f-0a9a-4a2d-97e0-16cab8a2c229.webp?v=1766087542</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6k6gt-tube-code-ll-bfg-sylvania-6k6-gt-tube-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_73a87da6-b4dc-4c5a-8a8b-804b9da808c4.webp?v=1766087620</image:loc>
      <image:title>(1) Tested Sylvania 6K6GT Tube Code ll BFG Sylvania 6K6 GT Tube Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-0z4-tube-date-code-yue-gas-rectifier-tube-sylvania-eia-code</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_36c4b4fa-8eb5-422a-a752-96a0d93fbae2.webp?v=1766087710</image:loc>
      <image:title>(1) Tested Emerson 0Z4 Tube Date Code YUE Gas Rectifier Tube Sylvania EIA Code</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bl7gta-tube-date-code-lq-rca-6bl7-gta-tube-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_36ec7eae-0a05-487a-9cc7-85feed27e7f3.webp?v=1766087790</image:loc>
      <image:title>(1) Tested RCA 6BL7GTA Tube Date Code LQ RCA 6BL7 GTA Tube Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6aq7gt-tube-with-box-date-code-2-52-general-electric-6aq7-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_d509dca8-8dd0-43cc-88f9-3da31a2fbe81.webp?v=1766087847</image:loc>
      <image:title>(1) Tested GE 6AQ7GT Tube with Box Date Code 2-52 General Electric 6AQ7 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35l6gt-tube-date-code-2-13-made-in-canada-35l6-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_d5c08f4d-3285-4b2c-9c2d-4f57fae072f0.webp?v=1766087911</image:loc>
      <image:title>(1) Tested GE 35L6GT Tube Date Code 2-13 Made in Canada 35L6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-commercial-trades-institute-by-sylvania-6sq7-gt-diode-triode-6sq7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_d7710e2c-a04b-4b60-8234-5a97f927e7ff.webp?v=1766087985</image:loc>
      <image:title>(1) Tested Commercial Trades Institute by Sylvania 6SQ7 GT Diode Triode 6SQ7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-sylvania-type-24a-tubes-engraved-codes-j7r-7jr</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_44d3b951-807d-4334-8edd-c00f6aef8f90.webp?v=1766088051</image:loc>
      <image:title>Tested Matched Balanced Pair Sylvania Type 24A Tubes Engraved Codes J7R &amp; 7JR</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6gy5-tube-date-code-dw-6gy5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_925e760a-06bb-4a9a-84c7-b5e33a08229d.webp?v=1766088115</image:loc>
      <image:title>(1) Tested Strong RCA 6GY5 Tube Date Code DW 6GY5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gta-tube-black-plates-chrome-dome-date-code-aj-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_e6d57300-6fc4-437a-a0ae-b0b4100369ce.webp?v=1766088170</image:loc>
      <image:title>(1) Tested Sylvania 6SN7GTA Tube Black Plates Chrome Dome Date Code AJ 6SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12av6-tube-tung-sol-12av6-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_152d4a85-2a4b-4445-b1b3-052f79cb80cc.webp?v=1766088233</image:loc>
      <image:title>(1) Tested Tung-Sol 12AV6 Tube Tung Sol 12AV6 Twin Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6cg7-tube-date-code-85-39-gray-plates-halo-getter-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_61de8ae3-6499-4128-8009-52de02fb97af.webp?v=1766088293</image:loc>
      <image:title>(1) Tested Admiral 6CG7 Tube Date Code 85-39 Gray Plates Halo Getter Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sl7gt-tube-silver-plates-date-code-mt-6sl7-gt-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-85_2a0f2617-c8c8-442e-a24c-2bf268cd16ed.webp?v=1766088358</image:loc>
      <image:title>(1) Tested GE 6SL7GT Tube Silver Plates Date Code MT 6SL7 GT Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-13v10-tube-with-box-date-code-jh-general-electric-compactron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_d48d05ac-b7eb-4d6c-926d-c2b3fbf53aa1.webp?v=1766088434</image:loc>
      <image:title>(1) Tested GE 13V10 Tube with Box Date Code JH General Electric Compactron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-emerson-25w4gt-tube-date-code-013-tung-sol-eia-25w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_24247e6b-9ec7-41c3-9efe-da1dbeeb990d.webp?v=1766088494</image:loc>
      <image:title>(1) Tested Strong 1950 Emerson 25W4GT Tube Code 013 Tung Sol EIA 25W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-6sa7-tube-date-code-352-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_002871f4-bc86-4971-9441-f90aeb8aae1f.webp?v=1766089130</image:loc>
      <image:title>(1) Tested Balanced 1953 Sylvania 6SA7 Tube Date Code 352 Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-compactron-6dw4b-tube-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_00a1b3db-6608-4d3b-8a61-b96474907b4f.webp?v=1766089210</image:loc>
      <image:title>(1) Tested Strong Compactron 6DW4B Tube Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-807-tube-date-code-v3-rca-807-beam-power-mil-spec-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_73f07c86-cabd-4f02-ac72-57f5d1856132.webp?v=1766089273</image:loc>
      <image:title>(1) Tested RCA JAN CRC 807 Tube Date Code V3 RCA 807 Beam Power Mil Spec Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-with-box-date-code-fg-mlg-sylvania-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_358c7fb3-01fb-4b7a-84c8-d6375f23f7d3.webp?v=1766089341</image:loc>
      <image:title>(1) Tested Sylvania 6W4GT Tube with Box Date Code FG MLG Sylvania 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-6au6-tube-date-code-fob-emerson-6au6-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_6470d02d-baee-445a-99a4-4b02a2c7c2b9.webp?v=1766089400</image:loc>
      <image:title>(1) Tested Emerson 6AU6 Tube Date Code FOB Emerson 6AU6 Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6-tube-sharp-cut-off-pentode-rca-6cb6-vacuum-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_7f9ab845-7290-47aa-be13-8de9b529b14b.webp?v=1766089459</image:loc>
      <image:title>(1) Tested RCA 6CB6 Tube Sharp Cut Off Pentode RCA 6CB6 Vacuum Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-jan-ctl-6h6wgt-tube-date-code-62-08-mil-spec-6h6-wgt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_98e911c7-4985-43f6-a513-008c8307ac9f.webp?v=1766089523</image:loc>
      <image:title>(1) Tested Tung-Sol Jan CTL 6H6WGT Tube Date Code 62-08 Mil-Spec 6H6 WGT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-jfd-sockette-47a-radio-tube-socket-adapter-for-12sa7-tube-to-7a8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_81668098-252b-4223-a72d-0f52fdc9e0f5.webp?v=1766089569</image:loc>
      <image:title>Vintage JFD Sockette 47A Radio Tube Socket Adapter For 12SA7 Tube to 7A8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-11ar11-tube-date-code-64-07-general-electric-11ar11-twin-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_854cc61e-3e03-45ee-b333-fe60c874a471.webp?v=1766089629</image:loc>
      <image:title>(1) Tested GE 11AR11 Tube Date Code 64-07 General Electric 11AR11 Twin Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1976-western-electric-415a-tube-with-box-o-ring-halo-getter-code-7639</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_3c8ee519-867f-4069-a758-504afcd89ea1.webp?v=1766089699</image:loc>
      <image:title>(1) Tested 1976 Western Electric 415A Tube with Box O Ring Halo Getter Code 7639</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6s4a-tube-date-code-63-43-general-electric-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_6d0e748d-c328-4fbc-a5ad-f845a9c29e90.webp?v=1766089761</image:loc>
      <image:title>(1) Tested GE 6S4A Tube Date Code 63-43 General Electric Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cb6a-tube-sharp-cut-off-pentode-rca-6cb6-a-vacuum-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_73185483-c79b-488e-b398-6851b290d5f0.webp?v=1766089836</image:loc>
      <image:title>(1) Tested RCA 6CB6A Tube Sharp Cut Off Pentode RCA 6CB6 A Vacuum Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25w4gt-tube-date-code-58-39-25w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_d8329033-2a04-4428-84a2-810e46075902.webp?v=1766089905</image:loc>
      <image:title>(1) Tested GE 25W4GT Tube Date Code 58-39 25W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3av6-tube-with-box-date-code-acg-twin-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_c7974b09-9f73-48bf-8894-02a79de216b0.webp?v=1766089984</image:loc>
      <image:title>(1) Tested Sylvania 3AV6 Tube with Box Date Code ACG Twin Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-2cy5-tube-with-box-date-code-eg-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_e5c3fe49-d40b-4d5d-9992-89d5258f67e3.webp?v=1766090069</image:loc>
      <image:title>(1) Tested Strong RCA 2CY5 Tube with Box Date Code EG Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6gu7-tube-date-code-68-25-philco-6gu7-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_45b033d9-dcfe-4520-9532-ebf7ac33c1bf.webp?v=1766090142</image:loc>
      <image:title>(1) Tested Philco 6GU7 Tube Date Code 68-25 Philco 6GU7 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ew6-tube-with-box-date-code-ced-rca-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_78048f70-e134-4dcf-b731-c3f0b93fa912.webp?v=1766090227</image:loc>
      <image:title>(1) Tested RCA 6EW6 Tube with Box Date Code CED RCA Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-of-rca-radiotron-ux-120-tubes-type-20-ux-120-tubes-ux120-g</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_0d2cb582-0b9a-45ee-9cb2-d7ccfb6fd9f4.webp?v=1766090297</image:loc>
      <image:title>Tested Matched Pair of RCA Radiotron UX-120 Tubes Type 20 UX 120 Tubes UX120 (g)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1957-western-electric-415a-tube-with-box-black-plates-code-5713</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_fe7b049a-a8e2-4fe9-88dc-70cfea53c7fb.webp?v=1766090389</image:loc>
      <image:title>(1) Tested 1957 Western Electric 415A Tube with Box Black Plates Code 5713</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/10-tested-vintage-hudson-no-1251-clear-bayonet-28v-globe-auto-lamps-bulbs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_a96244cd-c288-4b7c-92bc-1ee9754e8a42.webp?v=1766093672</image:loc>
      <image:title>(10) Tested Vintage Hudson No. 1251 Clear Bayonet 28V Globe Auto Lamps Bulbs</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6ba6-tube-date-code-5021-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_8922b3cf-be43-4dd2-9b2d-3cff47263c27.webp?v=1766093763</image:loc>
      <image:title>(1) Tested Philco 6BA6 Tube Date Code 5021 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6k5gt-tube-date-code-730-ken-rad-6k5-gt-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_2b067231-b3e6-4735-aa30-361db4b59ee3.webp?v=1766093818</image:loc>
      <image:title>(1) Tested Ken-Rad 6K5GT Tube Date Code 730 Ken Rad 6K5 GT High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12c8-tube-vt-153-date-code-y2-twin-diode-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_d841ec4c-2007-4d45-96f9-e83224f5b071.webp?v=1766093892</image:loc>
      <image:title>(1) Tested GE 12C8 Tube VT-153 Date Code Y2 Twin Diode Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bh7-tube-general-electric-12bh7-medium-mu-twin-triode-electron</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_11e526ca-6f52-468a-be7f-78ec165e1071.webp?v=1766093959</image:loc>
      <image:title>(1) Tested GE 12BH7 Tube General Electric 12BH7 Medium Mu Twin Triode Electron</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12w6gt-tube-date-code-beo-sylvania-12w6-gt-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_10e2670f-b1d1-4d27-9d0f-26845c47170d.webp?v=1766094123</image:loc>
      <image:title>(1) Tested Sylvania 12W6GT Tube Date Code BEO Sylvania 12W6 GT Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-type-24-tube-engraved-base-date-code-7-3-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_76e8697d-471b-4001-be49-8607f1355b27.webp?v=1766094198</image:loc>
      <image:title>(1) Tested Tung-Sol Type 24 Tube Engraved Base Date Code 7-3 Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1942-ww2-sylvania-chs-1201-tube-with-u-s-navy-anchor-box-1201-loctal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_53bd6905-d96f-4e47-8b01-f895b03220ce.webp?v=1766094264</image:loc>
      <image:title>(1) Tested 1942 WW2 Sylvania CHS 1201 Tube with U.S. Navy Anchor Box 1201 Loctal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6sn7gtb-tube-glow-top-filament-o-getter-code-lk-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_546c84f6-90c0-486b-a229-02bc9d70a6e6.webp?v=1766094757</image:loc>
      <image:title>(1) Tested Balanced GE 6SN7GTB Tube Glow Top Filament O Getter Code LK 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6an8-tube-date-code-643-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_710027f7-214d-4af6-8148-b7bcabaa5f56.webp?v=1766094817</image:loc>
      <image:title>(1) Tested Raytheon 6AN8 Tube Date Code 643 Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1960s-western-electric-404a-tubes-404-a-codes-6226-6326</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_fefa8fc8-9cea-4ab1-a294-763b7a48817e.webp?v=1766094869</image:loc>
      <image:title>Tested Matched Pair 1960s Western Electric 404A Tubes 404 A Codes 6226 &amp; 6326</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ax4gt-tube-date-code-pe-zenith-6ax4-gt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_a8f26650-1f13-4f4f-9831-133b451c622e.webp?v=1766094925</image:loc>
      <image:title>(1) Tested Zenith 6AX4GT Tube Date Code PE Zenith 6AX4 GT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cl8a-tube-with-box-date-code-jd-adm-sylvania-6cl8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_bdac50f3-d12e-4770-aabb-acfc1cebd831.webp?v=1766094974</image:loc>
      <image:title>(1) Tested Sylvania 6CL8A Tube with Box Date Code jd ADM Sylvania 6CL8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sonic-25l6gt-tube-date-code-5-52-ge-eia-sonic-25l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_f2382b5a-5fb3-4992-b877-027fcd6cb3cd.webp?v=1766095027</image:loc>
      <image:title>(1) Tested Sonic 25L6GT Tube Date Code 5-52 GE EIA Sonic 25L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-3au6-tube-with-box-date-code-fz-3au6-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_216a1563-6982-4a4f-9a93-d0d2719aa993.webp?v=1766095118</image:loc>
      <image:title>(1) Tested GE 3AU6 Tube with Box Date Code FZ 3AU6 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-matsushita-35w4-tube-date-code-4h4h-35w4-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_9012bd54-ddd1-4119-9d9d-3f280d84dcb7.webp?v=1766095174</image:loc>
      <image:title>(1) Tested Matsushita 35W4 Tube Date Code 4H4H 35W4 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-23-vintage-regency-monitoradio-scanner-silver-and-black-pushbuttons</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_b4a0f464-60fd-4b61-8229-52f8c7c3ec8d.webp?v=1766095238</image:loc>
      <image:title>Lot of (23) Vintage Regency Monitoradio Scanner Silver and Black Pushbuttons</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gtb-tube-black-plates-clear-mica-date-code-cj-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_969a3924-9aa6-4cff-856d-a6a77def2faf.webp?v=1766095297</image:loc>
      <image:title>(1) Tested 1956 Sylvania 6SN7GTB Tube Black Plates Clear Mica Code CJ 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-117l7-m7gt-tube-date-code-039-rectifier-beam-power-117l7-m7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_670442de-ca43-45a3-ab81-3260d372c7d2.webp?v=1766095355</image:loc>
      <image:title>(1) Tested RCA 117L7/M7GT Tube Date Code 039 Rectifier Beam Power 117L7 M7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-2cy5-tube-with-box-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_81b1e853-c7b7-42fe-b371-287d6114d33a.webp?v=1766095422</image:loc>
      <image:title>(1) Tested Very Strong RCA 2CY5 Tube with Box Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bj7-tube-with-box-date-code-du-rca-triple-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_c3d1c9c4-8c32-4b6f-aba9-1e2fb9e478e6.webp?v=1766095490</image:loc>
      <image:title>(1) Tested RCA 6BJ7 Tube with Box Date Code DU RCA Triple Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-32et5-tube-date-code-009-sylvania-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_994cba28-33e6-4799-8f42-4ff81a285296.webp?v=1766095544</image:loc>
      <image:title>(1) Tested Silvertone 32ET5 Tube Date Code 009 Sylvania EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-jg-1l4-tube-with-box-date-code-2-48-general-electric-jg-1l4-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_34566dd7-901a-4527-9f65-e11852b02f61.webp?v=1766095893</image:loc>
      <image:title>(1) Tested 1952 GE JG 1L4 Tube with Box Code 2-48 General Electric JG-1L4 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6bq5-tube-with-box-date-code-59-35-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_3443d34a-e41a-40da-b208-12fd8036f1c0.webp?v=1766095949</image:loc>
      <image:title>(1) Tested Very Strong GE 6BQ5 Tube with Box Date Code 59-35 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sn7gtb-tube-black-plates-halo-code-kv-general-electric-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_0ac7e75b-24c0-48df-9bd4-7540a23dda05.webp?v=1766096017</image:loc>
      <image:title>(1) Tested 1966 GE 6SN7GTB Tube Black Plates Halo O Getter Code KV 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ay3-tube-zenith-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_a4b03342-d4cc-41b0-8266-b04f83903631.webp?v=1766096078</image:loc>
      <image:title>(1) Tested Zenith 6AY3 Tube Zenith Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1976-western-electric-404a-tube-black-plates-o-ring-halo-code-7626</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_4ad1f2c9-7671-49fd-b3fd-2062ee6b2199.webp?v=1766096140</image:loc>
      <image:title>(1) Tested 1976 Western Electric 404A Tube Black Plates O Ring Halo Code 7626</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-douglas-6fy5-tube-high-mu-triode-vacuum-tube-6fy5-ec97-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_972cd198-8851-4248-b390-705878951aed.webp?v=1766096199</image:loc>
      <image:title>(1) Tested Douglas 6FY5 Tube High Mu Triode Vacuum Tube 6FY5 (EC97) Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6hs8-tube-with-box-date-code-bv-sharp-cutoff-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_b61421fc-4c0b-4751-84e9-c21b8e3de762.webp?v=1766096260</image:loc>
      <image:title>(1) Tested RCA 6HS8 Tube with Box Date Code BV Sharp Cutoff Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_85b34f26-8e29-4b16-b638-b05604ca3e6f.webp?v=1766096328</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aq5-tube-date-code-kf-rca-vintage-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_b570a40a-31b0-4a05-9e72-fbc4bfef0fcb.webp?v=1766096445</image:loc>
      <image:title>(1) Tested RCA 6AQ5 Tube Date Code KF RCA Vintage Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gibson-by-rca-6sn7gtb-tube-black-plates-date-code-60-22-rca-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_3bc48f6c-6faa-4658-8ffb-c8ff6e1fbbf4.webp?v=1766096496</image:loc>
      <image:title>(1) Tested 1960 Gibson by RCA 6SN7GTB Tube Black Plates Code 60-22 RCA 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6bh6-tube-date-code-013-amc-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_dd982af8-54ba-456e-9642-3e47d0bb8abf.webp?v=1766096564</image:loc>
      <image:title>(1) Tested Strong Sylvania 6BH6 Tube Date Code 013 AMC Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-7a7-tube-7a7-tube-loctal-tube-loktal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_f6b5089a-b8ff-48f9-b427-5e021519ae6a.webp?v=1766096664</image:loc>
      <image:title>(1) Tested Unbranded 7A7 Tube 7A7 Tube Loctal Tube Loktal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-cbs-6au5gt-tube-date-code-cn-6au5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_f9431968-b1c7-4335-8e3f-7fbfe7f4dc64.webp?v=1766096716</image:loc>
      <image:title>(1) Tested Strong CBS 6AU5GT Tube Date Code CN 6AU5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-3lf4-tube-date-code-j1e-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_94dfade3-8eb6-4f32-86d4-bf6afdffe6cb.webp?v=1766096822</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 3LF4 Tube Date Code J1E Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6dt6a-tube-date-code-913-sylvania-eia-6dt6-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_8fb044dd-6556-4c4a-a356-332bc9d75b2a.webp?v=1766096875</image:loc>
      <image:title>(1) Tested Magnavox 6DT6A Tube Date Code 913 Sylvania EIA 6DT6 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6x4-tube-full-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_b6e47d7f-a0ba-41be-8240-abb04588b034.webp?v=1766096928</image:loc>
      <image:title>(1) Tested Unbranded 6X4 Tube Full Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-magnavox-12gn7a-tube-code-022-ehu-black-plates-o-halo-12gn7-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_6732c84f-d29f-464f-94f0-3887b08b34b0.webp?v=1766097001</image:loc>
      <image:title>(1) Tested Strong Magnavox 12GN7A Tube Code 022 EHU Black Plates O Halo 12GN7 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dq6b-tube-date-code-63-13-general-electric-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_694947b0-3af9-44b3-a506-e4147486b845.webp?v=1766097113</image:loc>
      <image:title>(1) Tested GE 6DQ6B Tube Date Code 63-13 General Electric 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jrc-5651-tube-date-code-58-35-voltage-regulator-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_c8c3c3cc-4e4c-4935-b994-bf3ae6cb7e46.webp?v=1766097347</image:loc>
      <image:title>(1) Tested RCA JRC 5651 Tube Date Code 58-35 Voltage Regulator Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25z5-tube-date-code-2-26-rectifier-doubler-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_d717cf26-ab54-4bf4-8f61-5a525c3bafc4.webp?v=1766097412</image:loc>
      <image:title>(1) Tested 1952 Sylvania 25Z5 Tube Date Code 2-26 Rectifier Doubler Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6hf5-tube-date-code-f1-rca-6hf5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_9e9fd898-56e7-4672-93a6-9aa174bd7e78.webp?v=1766097460</image:loc>
      <image:title>(1) Tested RCA 6HF5 Tube Date Code F1 RCA 6HF5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cb6a-tube-date-code-fh-btb-pentode-sylvania-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_972b38a4-c4e5-44d6-bd05-7885bfe50fdd.webp?v=1766097527</image:loc>
      <image:title>(1) Tested Sylvania 6CB6A Tube Date Code FH BTB Pentode Sylvania 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6z10-tube-with-box-date-code-nr-enc-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_6fc60fe2-1947-4a8f-82a6-9bb6f7a3d2c6.webp?v=1766097588</image:loc>
      <image:title>(1) Tested Sylvania 6Z10 Tube with Box Date Code NR ENC Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-rk-1625-tube-date-code-i3-raytheon-1625-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_e6d75dd7-a7fa-4a1b-8aea-eb5fec246453.webp?v=1766098192</image:loc>
      <image:title>(1) Tested Raytheon RK 1625 Tube Date Code I3 Raytheon 1625 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6f7-tube-vt-70-tube-date-code-z2-mil-spec-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_c4031507-4fc2-47a0-95cc-36c355f56979.webp?v=1766098252</image:loc>
      <image:title>(1) Tested Ken Rad 6F7 Tube VT-70 Tube Date Code Z2 Mil-Spec Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-24a-tube-date-code-56-type-24-a-tube-sharp-cutoff-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_9c3e360e-b0bb-4f81-94f0-1cf07fe1a0a7.webp?v=1766098305</image:loc>
      <image:title>(1) Tested 1945 Philco Type 24A Tube Code 5S Type 24 A Tube Sharp Cutoff Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-4cs6-tube-date-code-6009-pentagrid-amplifier-tube-sylvania-eia</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_85c66151-c100-41b0-9e19-c58760b21788.webp?v=1766098368</image:loc>
      <image:title>(1) Tested 1960 Philco 4CS6 Tube Code 6009 Pentagrid Amplifier Tube Sylvania EIA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3by6-tube-with-box-date-code-cb-pentagrid-amplifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_1c80acb1-681b-45e0-955b-4b1afa4dad18.webp?v=1766098426</image:loc>
      <image:title>(1) Tested 1956 Sylvania 3BY6 Tube with Box Code CB Pentagrid Amplifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6h6-tube-date-code-z2-ken-rad-6h6-twin-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_d85c13ae-c17d-4f27-b3b9-9d673ffb6651.webp?v=1766098478</image:loc>
      <image:title>(1) Tested Ken-Rad 6H6 Tube Date Code Z2 Ken Rad 6H6 Twin Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6gu7-tube-general-electric-6gu7-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_ee2f9744-91a5-4fe5-9d4f-a9bf01f74476.webp?v=1766098532</image:loc>
      <image:title>(1) Tested Balanced GE 6GU7 Tube General Electric 6GU7 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-1-52-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_999bc5f3-df9f-4020-9d7c-74b6023a675d.webp?v=1766098644</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code 1-52 RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-32l7gt-tube-black-glass-date-code-7-13-32l7-gt-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_0b7f4cdb-031e-4a89-a452-4747941f0c89.webp?v=1766098700</image:loc>
      <image:title>(1) Tested Sylvania 32L7GT Tube Black Glass Date Code 7-13 32L7 GT Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6dt6a-tube-6dt6-a-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_77bf1d96-19cd-426e-98af-ab8466f7b76e.webp?v=1766098756</image:loc>
      <image:title>(1) Tested Magnavox 6DT6A Tube 6DT6 A Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6l7-tube-date-code-a7-ken-rad-6l7-pentagrid-mixer-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_dc2e0681-cd3c-4d47-bdd9-8f30a88b6ecc.webp?v=1766098814</image:loc>
      <image:title>(1) Tested Ken-Rad 6L7 Tube Date Code A7 Ken Rad 6L7 Pentagrid Mixer Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6w4gt-tube-date-code-1-13-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_537e2631-a96f-4b6b-8fb7-cc134d5fac4a.webp?v=1766098870</image:loc>
      <image:title>(1) Tested Raytheon 6W4GT Tube Date Code 1-13 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-chatham-electronics-jan-cahg-5r4wga-tube-date-code-703-5r4-wga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_2932b4b9-bb92-4dbb-a274-e5756a72dda5.webp?v=1766168522</image:loc>
      <image:title>(1) Tested Chatham Electronics JAN CAHG 5R4WGA Tube Date Code 703 5R4 WGA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-32et5a-tube-with-box-date-code-ew-general-electric-32et5-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_f51810cb-0d8a-47bf-bb7a-5a4ab3a2bd2e.webp?v=1766168698</image:loc>
      <image:title>(1) Tested GE 32ET5A Tube with Box Date Code EW General Electric 32ET5 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-17ew8-hcc85-tube-with-box-date-code-kbg-nr-germany-17ew8</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_512361ba-99f2-45fd-9184-9253b81c5209.webp?v=1766168779</image:loc>
      <image:title>(1) Tested Sylvania 17EW8/HCC85 Tube with Box Date Code KBG NR Germany 17EW8</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6au6a-tube-westinghouse-6au6-a-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_8c0c7af5-00db-41c9-bda6-e15aa7b72978.webp?v=1766168857</image:loc>
      <image:title>(1) Tested Westinghouse 6AU6A Tube Westinghouse 6AU6 A Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-jan-crc-6080-tube-code-4-26-black-plate-rca-6080-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_1b8f5fec-7991-45eb-9a76-bed6ad1cb92d.webp?v=1766170278</image:loc>
      <image:title>(1) Tested Balanced RCA JAN CRC 6080 Tube Code 4-26 Black Plate RCA 6080 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-1a5g-tube-date-code-r0r-1a5-g-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_fbfb669b-74b7-4048-958a-08a056e4201c.webp?v=1766170350</image:loc>
      <image:title>(1) Tested Zenith 1A5G Tube Date Code R0R 1A5 G Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sg7-tube-date-code-1-48-general-electric-6sg7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_fc3d0668-bc72-40fc-8759-04fe2e6ffa1e.webp?v=1766170417</image:loc>
      <image:title>(1) Tested GE 6SG7 Tube Date Code 1-48 General Electric 6SG7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5br8-tube-with-box-date-code-aq-medium-mu-triode-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_d41d18c6-6f14-4dd7-879b-ee364703f7ed.webp?v=1766170716</image:loc>
      <image:title>(1) Tested RCA 5BR8 Tube with Box Date Code AQ Medium Mu Triode Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-48-dumont-5v6-gt-beam-power-tube-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_d88b10b2-95e9-45a3-b3a2-742c8d4f6a03.webp?v=1766170777</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-48 Dumont 5V6 GT Beam Power Tube (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8fq7-8cg7-tube-with-box-date-code-du-rca-8fq7-tube-rca-8cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_7a4308ed-6508-459e-a041-7134fe96c78d.webp?v=1766170842</image:loc>
      <image:title>(1) Tested RCA 8FQ7/8CG7 Tube with Box Date Code DU RCA 8FQ7 Tube RCA 8CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ay3-tube-with-box-date-code-mk-raf-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_093debf5-c9fb-4a28-ad0c-4c1277f077c4.webp?v=1766170908</image:loc>
      <image:title>(1) Tested Sylvania 6AY3 Tube with Box Date Code mk RAF Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hitachi-34gd5-tube-made-in-japan-power-output-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_29375f6b-9f77-402a-997e-95349820c272.webp?v=1766170999</image:loc>
      <image:title>(1) Tested Hitachi 34GD5 Tube Made in Japan Power Output Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1954-western-electric-5847-404a-tube-black-plate-square-halo-code-426</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_4693cef5-e7ad-4803-ac68-25596ecbae9b.webp?v=1766171119</image:loc>
      <image:title>(1) Tested 1954 Western Electric 5847 404A Tube Black Plate Square Halo Code 426</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1a5gt-tube-date-code-8-39-general-electric-1a5-gt-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_f5158302-a018-4b98-a55d-8ca020e1e621.webp?v=1766171198</image:loc>
      <image:title>(1) Tested GE 1A5GT Tube Date Code 8-39 General Electric 1A5 GT Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6j5-tube-date-code-6-52-rca-6j5-medium-mu-triode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_7a630391-a4bd-4d21-a355-e193cfd88e31.webp?v=1766171336</image:loc>
      <image:title>(1) Tested RCA 6J5 Tube Date Code 6-52 RCA 6J5 Medium Mu Triode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-32et5a-tube-with-box-date-code-bau-32et5-a-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_8941b905-6fa3-44e4-8e79-2889509e6aee.webp?v=1766171535</image:loc>
      <image:title>(1) Tested Sylvania 32ET5A Tube with Box Date Code BAU 32ET5 A Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6sa7-tube-with-box-date-code-62-09-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_fa376f73-fe57-49dd-9bfe-077a35407f7b.webp?v=1766172221</image:loc>
      <image:title>(1) Tested Strong GE 6SA7 Tube with Box Date Code 62-09 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-12a6y-tube-date-code-58-09-rca-12a6y-tube-12a6-y-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_8f001246-f592-469e-9da9-f6feea42bbd1.webp?v=1766172298</image:loc>
      <image:title>(1) Tested RCA JAN CRC 12A6Y Tube Date Code 58-09 RCA 12A6Y Tube 12A6 Y Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-35z4gt-tube-date-code-5139-35z4-gt-rectifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_50fc2d65-dc87-4750-b38a-56bd2ece00e6.webp?v=1766172395</image:loc>
      <image:title>(1) Tested National Union 35Z4GT Tube Date Code 5139 35Z4 GT Rectifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1958-western-electric-404a-tube-black-plates-square-getter-code-5813</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_35a96451-0040-4879-8eba-46b8c1e58b4f.webp?v=1766172597</image:loc>
      <image:title>(1) Tested 1958 Western Electric 404A Tube Black Plates Square Getter Code 5813</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-12j5gt-tube-date-code-k3-ken-rad-12j5-gt-medium-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_8b7d06fc-61d0-485f-9f5c-f6a49e55bf0a.webp?v=1766172688</image:loc>
      <image:title>(1) Tested Ken-Rad 12J5GT Tube Date Code K3 Ken Rad 12J5 GT Medium Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7c5-tube-date-code-v2-sylvania-7c5-loctal-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_eb9c6daa-4f65-4319-a450-7f457315b07d.webp?v=1766172752</image:loc>
      <image:title>(1) Tested Strong Sylvania 7C5 Tube Date Code V2 Sylvania 7C5 Loctal Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-g</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_ac589a1f-8bcb-4ace-931c-33feafc473ef.webp?v=1766172819</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (g)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gh8a-tube-with-box-date-code-eg-medium-triode-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_a98622b8-454c-4255-8781-3612cedda45b.webp?v=1766172908</image:loc>
      <image:title>(1) Tested RCA 6GH8A Tube with Box Date Code EG Medium Triode Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-siemens-ebf89-tube-6dc8-code-g35-2g-dual-diode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_45337b5f-7e28-40a6-bdc4-135737fe825c.webp?v=1766172974</image:loc>
      <image:title>(1) Tested Siemens EBF89 Tube (6DC8) Code G35 ‡2G Dual Diode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-silver-plate-with-box-date-code-nm-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_70de05ae-60a3-4f37-a7fb-c46cd06a6044.webp?v=1766173396</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube Silver Plate with Box Date Code NM Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-iec-mullard-6ju8-tube-code-1022-428-great-britain-quad-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_4f8595ee-14b9-4317-8f1e-d905dd7e3a07.webp?v=1766173458</image:loc>
      <image:title>(1) Tested Balanced IEC Mullard 6JU8 Tube Code 1022-428 Great Britain Quad Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-date-code-513-black-staggered-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_410fcb39-0a14-4865-b30c-2d9c2a7c305a.webp?v=1766173833</image:loc>
      <image:title>(1) Tested RCA 6SN7GTB Tube Date Code 513 Black Staggered Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-117z6gt-tube-with-box-date-code-243-rca-117z6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_42d7cd25-cf28-41c0-9294-8a1c94795c88.webp?v=1766173905</image:loc>
      <image:title>(1) Tested Balanced RCA 117Z6GT Tube with Box Date Code 243 RCA 117Z6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1k3-tube-date-code-fu-general-electric-1k3-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_5e944a09-2ef0-42b2-9665-337629e033f4.webp?v=1766173964</image:loc>
      <image:title>(1) Tested GE 1K3 Tube Date Code FU General Electric 1K3 Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-9a8-tube-date-code-l554-japan-motorola-golden-premium-9a8</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_d036492a-bc4a-472a-9fed-2ae2ae85be81.webp?v=1766174036</image:loc>
      <image:title>(1) Tested Motorola 9A8 Tube Date Code L554 Japan Motorola Golden Premium 9A8</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6y6ga-tube-date-code-ms-rca-6y6-ga-black-plate-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_8ccb3dea-4796-4a23-b934-19b20ff05052.webp?v=1766174124</image:loc>
      <image:title>(1) Tested Strong RCA 6Y6GA Tube Date Code MS RCA 6Y6 GA Black Plate Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-ck-5654-6ak5w-tube-with-box-date-code-h19-ck5654-6ak5w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_b66b63b9-a098-4e68-93ad-e42ef22772ac.webp?v=1766174218</image:loc>
      <image:title>(1) Tested Raytheon CK 5654 6AK5W Tube with Box Date Code H19 CK5654/6AK5W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-35a5-tube-date-code-5226-35a5-loctal-power-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_41f25758-a5a9-448d-895f-328079276fc5.webp?v=1766174291</image:loc>
      <image:title>(1) Tested Hytron 35A5 Tube Date Code 5226 35A5 Loctal Power Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fq7-6cg7-tube-date-code-bc-with-box-rca-6fq7-tube-6cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_bc6e8824-8b1d-467d-b918-8934b88ca51a.webp?v=1766174478</image:loc>
      <image:title>(1) Tested RCA 6FQ7/6CG7 Tube Date Code BC with Box RCA 6FQ7 Tube 6CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-27-tube-engraved-4-hole-mesh-cup-getter-code-1l-globe</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_98056780-944b-4280-b933-db05be4392bb.webp?v=1766174562</image:loc>
      <image:title>(1) Tested Philco Type 27 Tube Engraved 4 Hole Mesh Cup Getter Code 1L Globe</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jrc-6ak6-tube-date-code-3-09-rca-6ak6-power-amplifier-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_3667c360-cbe9-4836-8dec-3583fab3304f.webp?v=1766174659</image:loc>
      <image:title>(1) Tested RCA JRC 6AK6 Tube Date Code 3-09 RCA 6AK6 Power Amplifier Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-6ah4gt-tube-date-code-68-12-dumont-6ah4-gt-tube-with-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_2cf57f33-fc54-4bf8-bd5c-5847ecdbeca7.webp?v=1766174757</image:loc>
      <image:title>(1) Tested Dumont 6AH4GT Tube Date Code 68-12 Dumont 6AH4 GT Tube with Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6j7-tube-date-code-58-13-general-electric-6j7-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_5a1c02bd-bd1e-4a81-a3d7-b33cdf85be49.webp?v=1766175032</image:loc>
      <image:title>(1) Tested GE 6J7 Tube Date Code 58-13 General Electric 6J7 Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6bl8-tube-date-code-7m-431-made-in-japan-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_c40c2714-64a6-4e35-9162-66b16c347a23.webp?v=1766175281</image:loc>
      <image:title>(1) Tested Motorola 6BL8 Tube Date Code 7M-431 Made in Japan Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1979-western-electric-415a-tubes-with-boxes-codes-7926</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_1ed53c46-d3cc-4f9c-97da-57df3adedaa9.webp?v=1766175401</image:loc>
      <image:title>Tested Matched Pair 1979 Western Electric 415A Tubes with Boxes Codes 7926</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-7c5-tube-date-code-939-loktal-tube-beam-power-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_8690a499-ab9c-4e21-89cf-9ed49e1fd98d.webp?v=1766175471</image:loc>
      <image:title>(1) Tested GM 7C5 Tube Date Code 939 Loktal Tube Beam Power Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3au6-tube-with-box-date-code-adf-sylvania-3au6-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_906514ff-5b22-40b9-9140-77f955ce409f.webp?v=1766175540</image:loc>
      <image:title>(1) Tested Sylvania 3AU6 Tube with Box Date Code ADF Sylvania 3AU6 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gf7a-tube-with-box-date-code-cb-rca-6gf7-a-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_96714be8-9aae-447b-a402-429f44f43275.webp?v=1766175728</image:loc>
      <image:title>(1) Tested RCA 6GF7A Tube with Box Date Code CB RCA 6GF7 A Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-international-service-master-6gh8a-tube-with-box-made-in-hungary-k</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_0291ff32-135b-4e7b-947f-6fe796da5a59.webp?v=1766175788</image:loc>
      <image:title>(1) Tested International Service Master 6GH8A Tube with Box Made in Hungary (k)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-black-stagger-plates-date-code-kq-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_4880572a-bec0-48a2-8635-2e13f1be0e00.webp?v=1766177588</image:loc>
      <image:title>(1) Tested 1957 RCA 6SN7GTB Tube Black Stagger Plates Date Code KQ 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-7n7-tube-general-electric-7n7-loctal-tube-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_8754e7d3-fb20-4c43-b666-3076b851016e.webp?v=1766177657</image:loc>
      <image:title>(1) Tested GE 7N7 Tube General Electric 7N7 Loctal Tube Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-dumont-5am8-tube-date-code-67-28-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_5cfb564b-de17-4dc5-b1eb-ec20131c1032.webp?v=1766177740</image:loc>
      <image:title>(1) Tested Very Strong Dumont 5AM8 Tube Date Code 67-28 Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-type-27-tube-date-code-a5r-engraved-base-27-tube-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_b35f234d-e19b-408d-99b7-ffd3fd64ff54.webp?v=1766177844</image:loc>
      <image:title>(1) Tested Sylvania Type 27 Tube Date Code A5R Engraved Base 27 Tube Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6sn7gtb-tube-black-plates-halo-code-60-52-6sn7gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_f6830dac-ade8-403a-aa51-3d9603385d97.webp?v=1766177933</image:loc>
      <image:title>(1) Tested 1960 Westinghouse 6SN7GTB Tube Black Plates Halo Code 60-52 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25bq6ga-25cu6-tube-code-58-39-25bq6-ga-tube-25cu6-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_51686e65-ecc2-4abf-bdcb-2c9e80da304c.webp?v=1766178142</image:loc>
      <image:title>(1) Tested GE 25BQ6GA/25CU6 Tube Code 58-39 25BQ6 GA Tube 25CU6 Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6w4gt-tube-date-code-2-39-sylvania-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_a518269d-2d4d-4bec-98c0-c7e36751a243.webp?v=1766178211</image:loc>
      <image:title>(1) Tested Strong 1952 Sylvania 6W4GT Tube Date Code 2-39 Sylvania 6W4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6ba6-tube-date-code-51-12-remote-cutoff-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_86bc8e30-1ed3-4145-91ed-e0f66616efbf.webp?v=1766178320</image:loc>
      <image:title>(1) Tested Philco 6BA6 Tube Date Code 51-12 Remote Cutoff Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35l6gt-g-tube-code-2nr-sylvania-35l6-gt-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_9c1fc9cf-f653-4da4-b6d7-3a979a80d138.webp?v=1766178393</image:loc>
      <image:title>(1) Tested Sylvania 35L6GT/G Tube Code 2NR Sylvania 35L6 GT G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6w6gt-tube-date-code-nz-general-electric-6w6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_41b2dfce-de7d-48ad-842c-11c4350d07ed.webp?v=1766179863</image:loc>
      <image:title>(1) Tested Very Strong GE 6W6GT Tube Date Code NZ General Electric 6W6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bh7a-tube-with-box-date-code-re-gray-plates-halo-getter-12bh7-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_e04caa99-764b-4688-b1f7-c9e3719ebf36.webp?v=1766179923</image:loc>
      <image:title>(1) Tested GE 12BH7A Tube with Box Date Code RE Gray Plates Halo Getter 12BH7 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-admiral-12ax4gta-tube-date-code-5948-admiral-12ax4-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_d37593af-43b8-455e-94ed-a11edd6c14a3.webp?v=1766179979</image:loc>
      <image:title>(1) Tested Strong Admiral 12AX4GTA Tube Date Code 5948 Admiral 12AX4 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-35z3-tube-half-wave-rectifier-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_ebed4dd8-3897-404f-844c-ca6997c2f8b3.webp?v=1766180063</image:loc>
      <image:title>(1) Tested Strong Sylvania 35Z3 Tube Half Wave Rectifier Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6ag7-tube-date-code-552-metal-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_65e4a482-29df-4642-85f8-52e73b8b8764.webp?v=1766180120</image:loc>
      <image:title>(1) Tested Raytheon 6AG7 Tube Date Code 552 Metal Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1951-western-electric-jw-6as6-409a-tube-code-139-dual-control-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_ad2a9683-985f-4219-932e-8b959348dab9.webp?v=1766180187</image:loc>
      <image:title>(1) Tested 1951 Western Electric JW 6AS6 409A Tube Code 139 Dual Control Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-matsushita-12be6-hk90-tube-code-4i4i-12be6-tube-hk90-tube-pentagrid</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_ecbd0d44-4fe9-4473-aae9-6bc4531a67dd.webp?v=1766180576</image:loc>
      <image:title>(1) Tested Matsushita 12BE6/HK90 Tube Code 4I4I 12BE6 Tube HK90 Tube Pentagrid</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-and-balanced-sylvania-jan-6dj8-tube-date-code-7639-6dj8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_12add6c7-a981-4f5b-b0d8-b28775df20b5.webp?v=1766180750</image:loc>
      <image:title>(1) Tested Strong and Balanced Sylvania JAN 6DJ8 Tube Date Code 7639 6DJ8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-cunningham-2a5-tube-date-code-r3-2a5-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_66d63371-9aa9-4716-9cb8-16db15e528bb.webp?v=1766180834</image:loc>
      <image:title>(1) Tested Strong Cunningham 2A5 Tube Date Code R3 2A5 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-19j6-tube-with-box-date-code-309-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_3bfd2f41-e467-43bd-af71-d4c9d03c8851.webp?v=1766181002</image:loc>
      <image:title>(1) Tested Raytheon 19J6 Tube with Box Date Code 309 Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6bq7a-tube-cbs-6bq7-a-medium-mu-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_61a3c2d2-38f2-40a8-a247-f35f37afd133.webp?v=1766181079</image:loc>
      <image:title>(1) Tested CBS 6BQ7A Tube CBS 6BQ7 A Medium Mu Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-32et5a-tube-with-box-date-code-bau-32et5-a-power-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_46922798-c02d-4196-aa8c-1a7824833f6c.webp?v=1766181144</image:loc>
      <image:title>(1) Tested Sylvania 32ET5A Tube with Box Date Code BAU 32ET5 A Power Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6cl3-tube-date-code-83-06-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_f67c6233-339c-4dfa-913d-240001730933.webp?v=1766181212</image:loc>
      <image:title>(1) Tested Westinghouse 6CL3 Tube Date Code 83-06 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-6dt5-tube-with-box-date-code-efd-ne-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_28f5c8c7-4199-4564-a3f2-e2c363f045f9.webp?v=1766181281</image:loc>
      <image:title>(1) Tested Hytron 6DT5 Tube with Box Date Code EFD NE Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12ca5-tube-sylvania-12ca5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_f59d6d40-3795-4f9e-ae8b-674586ed0dd4.webp?v=1766181377</image:loc>
      <image:title>(1) Tested Sylvania 12CA5 Tube Sylvania 12CA5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6w6gt-tube-box-date-code-522-rca-6w6-gt-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_769ddcda-6d52-4486-81e7-f2562fe6d20d.webp?v=1766181999</image:loc>
      <image:title>(1) Tested Strong RCA 6W6GT Tube &amp; Box Date Code 522 RCA 6W6 GT Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-0-43-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_97325c13-1871-49bf-a4dc-d965b27a609c.webp?v=1766182874</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code 0-43 RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6fq7-6cg7-tube-gray-plates-code-hr-anr-6fq7-6cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_3c038052-09b2-4db7-879c-2aef4f62f3c9.webp?v=1766182943</image:loc>
      <image:title>(1) Tested Balanced RCA 6FQ7/6CG7 Tube Gray Plates Code HR ANR 6FQ7 6CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-unbranded-7c5-tube-7c5-loctal-tube-loktal-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_07e0de1f-4b88-400f-b7c8-1a9dd8923ddc.webp?v=1766183048</image:loc>
      <image:title>(1) Tested Strong Unbranded 7C5 Tube 7C5 Loctal Tube Loktal Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-0b3-tube-red-letter-with-box-code-63-52-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_0b581ace-633d-476e-8875-4b4bae4a88dc.webp?v=1766183121</image:loc>
      <image:title>(1) Tested GE 0B3 Tube Red Letter with Box Code 63-52 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gu7-tube-with-box-date-code-bt-tall-gray-plates-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_8ba994df-78f2-4284-8bec-f084bbd3f5ed.webp?v=1766183178</image:loc>
      <image:title>(1) Tested RCA 6GU7 Tube with Box Date Code BT Tall Gray Plates Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-6dt5-tube-with-box-date-code-efd-ne-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_cb371c8e-b45b-4305-988c-83480eb70458.webp?v=1766183244</image:loc>
      <image:title>(1) Tested Hytron 6DT5 Tube with Box Date Code EFD NE Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35-51-tube-date-code-nor-sylvania-type-35-51-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_63720e03-751d-4297-9e02-8e9af72b1a02.webp?v=1766183307</image:loc>
      <image:title>(1) Tested Sylvania 35/51 Tube Date Code NOR Sylvania Type 35 51 Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6x8-tube-triode-pentode-converter-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_b2d88556-6bdf-4263-9d03-128dc581e98e.webp?v=1766183358</image:loc>
      <image:title>(1) Tested Philco 6X8 Tube Triode Pentode Converter Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-5dj4-tube-date-code-246-full-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_00ef3141-a90f-4666-8c78-9182ef6518bc.webp?v=1766183412</image:loc>
      <image:title>(1) Tested Motorola 5DJ4 Tube Date Code 246 Full Wave Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-19bg6ga-tube-date-code-ks-rca-19bg6-ga-beam-power-deflector-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_38d9ec51-a2b7-4e80-96f3-3f108e3fe08c.webp?v=1766183479</image:loc>
      <image:title>(1) Tested RCA 19BG6GA Tube Date Code KS RCA 19BG6 GA Beam Power Deflector Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-with-box-date-code-kg-6w4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_c95ff822-49ee-4531-b09e-c5747b257127.webp?v=1766183619</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube with Box Date Code KG 6W4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7h7-tube-date-code-6o-loctal-tube-loktal-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_0fa23239-0f44-4844-b4c4-6eb00487a9a2.webp?v=1766183677</image:loc>
      <image:title>(1) Tested Philco 7H7 Tube Date Code 6O Loctal Tube Loktal Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25bq6gt-tube-date-code-352-sylvania-25bq6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_0b36b3c6-df20-4680-b899-c12921d0fd7d.webp?v=1766183728</image:loc>
      <image:title>(1) Tested 1953 Sylvania 25BQ6GT Tube Date Code 352 Sylvania 25BQ6 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-victor-6l7-tube-date-code-s4-rca-vt-87-pentagrid-mixer-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_894f51a9-5032-4d5d-aec5-6bd708922457.webp?v=1766183784</image:loc>
      <image:title>(1) Tested RCA Victor 6L7 Tube Date Code S4 RCA VT-87 Pentagrid Mixer Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-8fq7-tube-date-code-65-18-65-52-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_ea3984cb-b292-420d-b845-d04f368bbc3d.webp?v=1766183838</image:loc>
      <image:title>(1) Tested Admiral 8FQ7 Tube Date Code 65-18 65-52 Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6sj7-tube-date-code-8r04-6sj7-sharp-cutoff-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_9664bfe2-554d-46fe-892e-5370259646d2.webp?v=1766183898</image:loc>
      <image:title>(1) Tested Westinghouse 6SJ7 Tube Date Code 8R04 6SJ7 Sharp Cutoff Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cb6-tube-date-code-57-13-general-electric-6cb6-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_b3cd149b-c768-4870-b8a6-1b3c0bfa191c.webp?v=1766183956</image:loc>
      <image:title>(1) Tested GE 6CB6 Tube Date Code 57-13 General Electric 6CB6 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6y6g-tube-date-code-43-j9-general-electric-6y6-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_60f00fa6-a9ce-407c-bfa5-46412b0a2969.webp?v=1766184014</image:loc>
      <image:title>(1) Tested GE 6Y6G Tube Date Code 43-J9 General Electric 6Y6 G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6au5gt-tube-date-code-ju-general-electric-6au5-gt-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_3e84d1c9-d218-4e95-a005-d5c3dee59609.webp?v=1766184087</image:loc>
      <image:title>(1) Tested Strong GE 6AU5GT Tube Date Code JU General Electric 6AU5 GT (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-cge-6688-tube-gold-pins-holland-with-box-date-code-d4-ay</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_2e948715-bec9-4992-b46b-80a2e39d3daa.webp?v=1766184149</image:loc>
      <image:title>(1) Tested GE CGE 6688 Tube Gold Pins Holland with Box Date Code D4 AY</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6gy6-tube-date-code-5-48-general-electric-6gy6-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_5d5837bc-46cf-4343-bab1-a3a00e13ac15.webp?v=1766184231</image:loc>
      <image:title>(1) Tested GE 6GY6 Tube Date Code 5-48 General Electric 6GY6 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-224a-tube-date-code-3ax-type-24-tube-engraved-base-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_8998fac6-fb3d-415b-8f46-6a96b16b8811.webp?v=1766184308</image:loc>
      <image:title>(1) Tested Silvertone 224A Tube Date Code 3AX Type 24 Tube Engraved Base Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-arcturus-type-41-tube-date-code-e5-arcturus-power-pentode-41-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_712f2e55-8940-4f4b-9eeb-27af9774a6a0.webp?v=1766184363</image:loc>
      <image:title>(1) Tested Arcturus Type 41 Tube Date Code E5 Arcturus Power Pentode 41 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6d6-tube-date-code-s2-r-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_519dcf5d-6bfd-4642-b4f5-35d2e9cf827d.webp?v=1766184811</image:loc>
      <image:title>(1) Tested Ken-Rad 6D6 Tube Date Code S2-R Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6as6-tube-date-code-dc-dual-control-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_987f9146-88b4-4b46-af86-fdc936e3a51e.webp?v=1766184874</image:loc>
      <image:title>(1) Tested CBS 6AS6 Tube Date Code DC Dual Control Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-14r7-tube-with-box-date-code-826-twin-diode-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_43f69ff9-8b51-4f94-bd1f-b23f10301ff5.webp?v=1766184944</image:loc>
      <image:title>(1) Tested 1958 Tung Sol 14R7 Tube with Box Date Code 826 Twin Diode Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6bz6-tube-date-code-60-17-semi-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_cf999461-e841-47aa-bdce-dedf838eb7a5.webp?v=1766184994</image:loc>
      <image:title>(1) Tested Admiral 6BZ6 Tube Date Code 60-17 Semi Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6cd6g-tube-date-code-5113-6cd6-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_2865604a-5e2f-4df7-b6fe-7261de7c5856.webp?v=1766185061</image:loc>
      <image:title>(1) Tested National Union 6CD6G Tube Date Code 5113 6CD6 G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6da4a-tube-date-code-bb-edb-rectifier-6da4-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_ff23c8a0-48be-45f5-8e4e-f6192008e785.webp?v=1766185129</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6DA4A Tube Date Code bb EDB Rectifier 6DA4 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6fq7-tube-date-code-631-long-gray-plates-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_fdc9fbb6-c518-4fc6-81b4-804d9f213f60.webp?v=1766185185</image:loc>
      <image:title>(1) Tested Magnavox 6FQ7 Tube Date Code 631 Long Gray Plates Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6de4-tube-date-code-am-eel-sylvania-6de4-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_d148477b-3c96-44c2-9f74-c5b8cffde10e.webp?v=1766185263</image:loc>
      <image:title>(1) Tested Sylvania 6DE4 Tube Date Code am EEL Sylvania 6DE4 Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cd6g-tube-date-code-bf-sylvania-6cd6-g-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_c24d3d42-d05a-4241-a2e8-51a28928e542.webp?v=1766185319</image:loc>
      <image:title>(1) Tested 1955 Sylvania 6CD6G Tube Code BF Sylvania 6CD6 G Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-25l6gt-tube-date-code-0-39-general-electric-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_c7aa2774-47f3-46ba-ba4e-f2769b6082a7.webp?v=1766186106</image:loc>
      <image:title>(1) Tested Strong GE 25L6GT Tube Date Code 0-39 General Electric 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-cbs-hytron-6sa7-tube-with-box-date-code-5263-pentagrid</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_0b573dd1-8ee1-49df-aa19-f01ab5e7e88c.webp?v=1766186179</image:loc>
      <image:title>(1) Tested Very Strong CBS Hytron 6SA7 Tube with Box Date Code 5263 Pentagrid</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gm6-tube-sylvania-semiremote-cutoff-pentode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_3f635d3a-1f90-4c9e-a519-d1ed95926f71.webp?v=1766186242</image:loc>
      <image:title>(1) Tested Sylvania 6GM6 Tube Sylvania SemiRemote Cutoff Pentode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-type-58-tube-date-code-7s-philco-58-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_6997c727-0f99-4716-acff-d1fa648cf517.webp?v=1766186338</image:loc>
      <image:title>(1) Tested Philco Type 58 Tube Date Code 7S Philco 58 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-15cw5-pl84-tube-england-code-kao-nr-15cw5-tube-pl84-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_6b8ef511-4cd2-4282-b714-7e655632a61f.webp?v=1766186388</image:loc>
      <image:title>(1) Tested Sylvania 15CW5/PL84 Tube England Code KAO NR 15CW5 Tube Pl84 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-7c7-tube-with-box-date-code-239-loctal-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_994f5b8e-926c-410f-acf0-c7401fd2ca79.webp?v=1766186480</image:loc>
      <image:title>(1) Tested Strong Raytheon 7C7 Tube with Box Date Code 239 Loctal Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6x5gt-tube-red-letter-base-date-code-60-30-6x5-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_ff9a7538-4c09-43a3-86e3-9b4f1e524bf6.webp?v=1766186551</image:loc>
      <image:title>(1) Tested GE 6X5GT Tube Red Letter Base Date Code 60-30 6X5 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-tung-sol-6w4gt-tube-date-code-550-3-tung-sol-6w4-gt-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_4128f567-c3f8-4db2-8988-7631db648a61.webp?v=1766186612</image:loc>
      <image:title>(1) Tested Strong 1955 Tung-Sol 6W4GT Tube Code 550-3 Tung Sol 6W4 GT Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6dw4-tube-date-code-gk-ala-sylvania-rectifier-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_f0066b99-4e07-4fd8-ac55-5e16ed20f3b8.webp?v=1766186684</image:loc>
      <image:title>(1) Tested Strong Sylvania 6DW4 Tube Date Code gk ALA Sylvania Rectifier (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6c6-tube-date-code-t9r-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_e7036c89-3a40-4284-b639-bf9ca75c4cf7.webp?v=1766186753</image:loc>
      <image:title>(1) Tested Sylvania 6C6 Tube Date Code T9R Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-6sn7gta-tube-staggered-black-plates-date-code-626-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_bc19e694-2f5d-415f-ac40-c3d41502d4b0.webp?v=1766186807</image:loc>
      <image:title>(1) Tested 1956 Crosley 6SN7GTA Tube Staggered Black Plates Code 626 6SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-1b3gt-tube-date-code-kd3-1b3-gt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_5ef99160-48f1-4c51-987c-2b486f49b266.webp?v=1766186954</image:loc>
      <image:title>(1) Tested Tung Sol 1B3GT Tube Date Code KD3 1B3 GT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-25ax4gt-tube-date-code-na-gm-delco-25ax4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_ebc3b6bd-ba00-4fe2-b94a-fdad47066999.webp?v=1766187015</image:loc>
      <image:title>(1) Tested GM Delco 25AX4GT Tube Date Code NA GM Delco 25AX4 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-36am3b-tube-with-box-date-code-bax-36am3-b-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_aa4174e4-da8e-4802-87b5-1cf6d2d4de12.webp?v=1766187082</image:loc>
      <image:title>(1) Tested Sylvania 36AM3B Tube with Box Date Code BAX 36AM3 B Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1967-western-electric-408a-tube-with-original-box-date-code-6726</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_8bc06dc5-f535-43a0-907e-09b41bbbf2c7.webp?v=1766203663</image:loc>
      <image:title>(1) Tested 1967 Western Electric 408A Tube with Original Box Date Code 6726</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6ar5-tube-date-code-5139-6ar5-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_dc4ffa20-46e6-47c6-80b8-a2ea44377366.webp?v=1766203758</image:loc>
      <image:title>(1) Tested National Union 6AR5 Tube Date Code 5139 6AR5 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6w6gt-tube-date-code-nt-general-electric-6w6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_db49c0e6-dc7f-41fa-be98-80f5728076da.webp?v=1766203854</image:loc>
      <image:title>(1) Tested Strong GE 6W6GT Tube Date Code NT General Electric 6W6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5az4-tube-with-box-date-code-1-52-loctal-tube-rectifier-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_5dba89bb-a438-4fd6-9368-7566b4a45caf.webp?v=1766203917</image:loc>
      <image:title>(1) Tested 1951 Sylvania 5AZ4 Tube with Box Code 1-52 Loctal Tube Rectifier (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-7y4-tube-code-826-loctal-tube-full-wave-rectifier-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_7f13f315-322e-4f7a-baa2-d9bb70128a75.webp?v=1766204018</image:loc>
      <image:title>(1) Tested Zenith 7Y4 Tube Code 826 Loctal Tube Full Wave Rectifier Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bq7a-tube-date-code-av-rca-6bq7-a-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_6a381f2f-fe86-4aac-ac00-03f000397e6e.webp?v=1766204073</image:loc>
      <image:title>(1) Tested RCA 6BQ7A Tube Date Code AV RCA 6BQ7 A Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-rca-jan-crc-12k8y-tube-with-box-date-code-h5e-triode-hexode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_bfd98769-cbe7-48e1-8b82-36a9271e926b.webp?v=1766204166</image:loc>
      <image:title>(1) Tested 1944 RCA JAN CRC 12K8Y Tube with Box Date Code H5E Triode Hexode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-admiral-6v6gt-tube-admiral-radio-6v6-gt-tube-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_df554978-97a0-4499-a3e0-547b740bb9a9.webp?v=1766204236</image:loc>
      <image:title>(1) Tested Strong Admiral 6V6GT Tube Admiral Radio 6V6 GT Tube Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ax4gtb-tube-date-code-nm-rca-12ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_0e4bba83-e255-498c-b46e-5ad2cea1eb83.webp?v=1766204330</image:loc>
      <image:title>(1) Tested RCA 12AX4GTB Tube Date Code NM RCA 12AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-17d4-tube-code-ng-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_b1ec6015-d61a-42e5-a5dc-3ec2505ed905.webp?v=1766204404</image:loc>
      <image:title>(1) Tested Strong RCA 17D4 Tube Code NG Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6sn7gtb-tube-chrome-dome-black-plates-code-552-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_50f08ef7-be28-4d4f-9e39-2f8be9cf056e.webp?v=1766204532</image:loc>
      <image:title>(1) Tested Silvertone 6SN7GTB Tube Chrome Dome Black Plates Code 552 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6w4gt-tube-date-code-252-silvertone-6w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_843e8250-36b4-41c8-be81-384d05aa0691.webp?v=1766204640</image:loc>
      <image:title>(1) Tested Silvertone 6W4GT Tube Date Code 252 Silvertone 6W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sovtek-6v6gt-tube-6v6-gt-tube-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_f90e0f2c-6295-4a84-8fa3-a47ff9d57901.webp?v=1766204756</image:loc>
      <image:title>(1) Tested Very Strong Sovtek 6V6GT Tube 6V6 GT Tube Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1t5gt-tube-with-box-date-code-809-rca-1t5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_bffad321-7315-4112-bca4-35a91f7df823.webp?v=1766204869</image:loc>
      <image:title>(1) Tested RCA 1T5GT Tube with Box Date Code 809 RCA 1T5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bk5-tube-date-code-gc-vwf-6bk5-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_f28968a1-1b60-45da-9110-8ccf4af6d746.webp?v=1766204936</image:loc>
      <image:title>(1) Tested Sylvania 6BK5 Tube Date Code GC VWF 6BK5 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6sl7gt-tube-silver-round-plates-box-code-59-09-6sl7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_533195fd-8b0b-4715-be7b-bdb6389c2769.webp?v=1766205009</image:loc>
      <image:title>(1) Tested Balanced GE 6SL7GT Tube Silver Round Plates &amp; Box Code 59-09 6SL7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6je6c-6lq6-tube-date-code-hc-acp-6je6c-tube-6lq6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_75758875-70f2-4b53-b1d0-de58b2b0806f.webp?v=1766205078</image:loc>
      <image:title>(1) Tested Sylvania 6JE6C/6LQ6 Tube Date Code hc ACP 6JE6C Tube 6LQ6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-6t8a-tube-date-code-2-66-rad-tel-6t8-a-triple-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_8d0768b9-cdeb-4572-b602-3b91c4e0cbbe.webp?v=1766205153</image:loc>
      <image:title>(1) Tested Rad-Tel 6T8A Tube Date Code 2-66 Rad Tel 6T8 A Triple Diode Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-17ax4gta-17dm4a-tube-date-code-aj-ecc-17ax4-gta-17dm4-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_54bd748d-35e2-478d-87f5-7e95e340d9e1.webp?v=1766205229</image:loc>
      <image:title>(1) Tested Sylvania 17AX4GTA/17DM4A Tube Date Code aj ECC 17AX4 GTA 17DM4 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25bq6gtb-tube-with-box-code-59-04-25bq6-gtb-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_25baa125-8c67-418a-875a-a3c49041c264.webp?v=1766205719</image:loc>
      <image:title>(1) Tested GE 25BQ6GTB Tube with Box Code 59-04 25BQ6 GTB Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-2-1943-western-electric-704a-tubes-and-boxes-peanut-tube-detector-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_e07deae2-d7a3-4d32-912b-476ea8923734.webp?v=1766205907</image:loc>
      <image:title>Lot of (2) 1943 Western Electric 704A Tubes and Boxes Peanut Tube Detector Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-25a7g-tube-date-code-5-7-hytron-25a7-g-power-pentode-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_c5975911-6553-4ca4-a802-09bfe00f51ca.webp?v=1766206096</image:loc>
      <image:title>(1) Tested Hytron 25A7G Tube Date Code 5-7 Hytron 25A7 G Power Pentode Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sl7gt-tube-gray-plates-date-code-2-09-6sl7-gt-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_df48b5a2-0543-479d-949d-8b3c722efbf9.webp?v=1766206285</image:loc>
      <image:title>(1) Tested GE 6SL7GT Tube Gray Plates Date Code 2-09 6SL7 GT Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6cl6-tube-date-code-ek-rca-6cl6-power-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_ecde74bb-0de3-4096-b8d5-9106a1cf6601.webp?v=1766206351</image:loc>
      <image:title>(1) Tested Strong RCA 6CL6 Tube Date Code EK RCA 6CL6 Power Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-50a5-tube-date-code-452-raytheon-loktal-tube-50a5-loctal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_1f714531-6e6b-4c24-9c0d-dd2fdf4fcb9a.webp?v=1766206415</image:loc>
      <image:title>(1) Tested Raytheon 50A5 Tube Date Code 452 Raytheon Loktal Tube 50A5 Loctal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-50y7gt-tube-with-box-date-code-58-17-50y7-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_0a8fa6b3-2f75-4cfa-a14a-6455cf916a4f.webp?v=1766206473</image:loc>
      <image:title>(1) Tested Balanced GE 50Y7GT Tube with Box Date Code 58-17 50Y7 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-nos-zenith-6jm6-tube-date-code-3-04-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_dea7124c-c51b-4f08-9c8c-55ee48d88a5f.webp?v=1766206603</image:loc>
      <image:title>(1) Tested Strong NOS Zenith 6JM6 Tube Date Code 3-04 with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6cb6-tube-raytheon-sharp-cut-off-pentode-6cb6-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_9a015189-4a28-42b7-a093-864a8e25a928.webp?v=1766206678</image:loc>
      <image:title>(1) Tested Raytheon 6CB6 Tube Raytheon Sharp Cut Off Pentode 6CB6 Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6sl7gt-tube-date-code-852-sylvania-eia-6sl7-gt-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_8ae28dcf-422f-4c06-a830-cd931208439e.webp?v=1766206790</image:loc>
      <image:title>(1) Tested Zenith 6SL7GT Tube Date Code 852 Sylvania EIA 6SL7 GT Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6bq6gtb-6cu6-tube-date-code-kr3-6bq6-gtb-tube-6cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_d657b550-128c-4e5d-b499-4e6616cd7a07.webp?v=1766206880</image:loc>
      <image:title>(1) Tested Tung-Sol 6BQ6GTB/6CU6 Tube Date Code KR3 6BQ6 GTB Tube 6CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dc6-tube-with-box-date-code-ck-general-electric-6dc6-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-48_8ce9f79d-d662-42c4-966e-ca39b35fc486.webp?v=1766206992</image:loc>
      <image:title>(1) Tested GE 6DC6 Tube with Box Date Code CK General Electric 6DC6 Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-iec-mullard-6hz6-tube-date-code-1022-407-great-britain-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_bb4d7e95-1bec-4c47-b1d4-e5ab2afe79a6.webp?v=1766207068</image:loc>
      <image:title>(1) Tested IEC Mullard 6HZ6 Tube Date Code 1022-407 Great Britain Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-tube-date-code-em-with-micanol-base-general-electric-6ac7</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_3d4fb9db-467c-492b-80af-6db8d995f4ea.webp?v=1766207148</image:loc>
      <image:title>(1) Tested 1978 GE 6AC7 Tube Code EM with Micanol Base General Electric 6AC7</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6j6-tube-date-code-56-22-general-electric-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_062c1fe9-4ee5-4ea8-a5b6-eb892f7816ed.webp?v=1766207215</image:loc>
      <image:title>(1) Tested GE 6J6 Tube Date Code 56-22 General Electric Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-17ge5-tube-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_a34b6938-9ea2-4937-8d27-2eb89a5f4730.webp?v=1766207283</image:loc>
      <image:title>(1) Tested RCA 17GE5 Tube Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-philips-pe1-100-tube-made-in-holland-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_9ddf5b69-097f-4e7a-b753-90445fd92233.webp?v=1766207467</image:loc>
      <image:title>(1) Philips PE1/100 Tube Made in Holland Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-19au4gta-tube-date-code-63-13-general-electric-19au4-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_94cd789b-5131-4f37-bb87-8f381b36119a.webp?v=1766207538</image:loc>
      <image:title>(1) Tested Strong GE 19AU4GTA Tube Date Code 63-13 General Electric 19AU4 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-1963-western-electric-407a-tube-code-6339-407-a-double-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_116e3824-7c4a-4a75-a21f-32046923b39c.webp?v=1766207601</image:loc>
      <image:title>(1) Tested Strong 1963 Western Electric 407A Tube Code 6339 407 A Double Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6aq5a-tube-date-code-me-uss-sylvania-6aq5-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_3cc4594e-cd2c-474a-a4f4-b9b21eb7dd5e.webp?v=1766207676</image:loc>
      <image:title>(1) Tested Sylvania 6AQ5A Tube Date Code me USS Sylvania 6AQ5 A Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-7695-tube-date-code-ecn-power-output-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_76192393-20c9-4cc7-b13d-5051fd2040f2.webp?v=1766207743</image:loc>
      <image:title>(1) Tested Zenith 7695 Tube Date Code ECN Power Output Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-1625-tube-vt-136-sylvania-1625-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-96_717dcb58-6a0c-400e-9f4d-5b27bb8d0184.webp?v=1766207858</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 1625 Tube VT-136 Sylvania 1625 Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-109-tube-socket-adapter-replace-25z5-tube-with-7f7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_a7bda28e-1e52-4ac1-9eb7-113518d637b7.webp?v=1766208456</image:loc>
      <image:title>Vintage Adaptol No. 109 Tube Socket Adapter Replace 25Z5 Tube with 7F7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gtb-tube-black-angled-t-plates-date-code-bk-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_54800b9f-51bd-4100-8144-4d06d5a48706.webp?v=1766208536</image:loc>
      <image:title>(1) Tested 1955 Sylvania 6SN7GTB Tube Black Angled T Plates Date Code BK 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sf5-tube-date-code-8-48-general-electric-6sf5-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_fed324a6-5868-4ad7-8694-ed35e73c9107.webp?v=1766208617</image:loc>
      <image:title>(1) Tested GE 6SF5 Tube Date Code 8-48 General Electric 6SF5 High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bj8-tube-with-box-date-code-nr-kab-canada-twin-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_26c78472-633d-4589-9c34-5586f447581a.webp?v=1766208679</image:loc>
      <image:title>(1) Tested Sylvania 6BJ8 Tube with Box Date Code NR KAB Canada Twin Diode Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6eh7-tube-etched-date-code-4k2-made-in-holland-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-14_d9201547-ba6d-4bed-850e-63af54c63e45.webp?v=1766208764</image:loc>
      <image:title>(1) Tested GE 6EH7 Tube Etched Date Code 4K2 Made in Holland Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bn4a-tube-with-box-date-code-ar-medium-mu-triode-6bn4-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_eb5ac822-ee15-44b5-88ee-a6cf9d070904.webp?v=1766208837</image:loc>
      <image:title>(1) Tested 1965 RCA 6BN4A Tube with Box Code AR Medium Mu Triode 6BN4 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-6l6gay-tube-date-code-218-sylvania-6l6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_80d99f31-5e65-42e1-9352-3c8adcc0a0b4.webp?v=1766208900</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 6L6GAY Tube Date Code 218 Sylvania 6L6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6md8-tube-with-box-date-code-fd-ajd-medium-mu-triple-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_7d99f3ad-c00e-4e2f-a302-252f3d097bce.webp?v=1766208974</image:loc>
      <image:title>(1) Tested Sylvania 6MD8 Tube with Box Date Code fd AJD Medium Mu Triple Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bv8-tube-with-box-date-code-sw-general-electric-6bv8-twin-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_3ef52bf1-0bf6-4041-95b4-76b21b9cd04d.webp?v=1766209120</image:loc>
      <image:title>(1) Tested GE 6BV8 Tube with Box Date Code SW General Electric 6BV8 Twin Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6c5-tube-date-code-817-medium-mu-triode-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_841080bf-d412-4ba1-918f-7b1b2e8ec276.webp?v=1766209209</image:loc>
      <image:title>(1) Tested RCA 6C5 Tube Date Code 817 Medium Mu Triode Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bx7gt-tube-date-code-ii-ykd-twin-triode-tube-black-plates</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_86c76b3c-c5ac-4931-8ca4-fbdf0c9f6aa7.webp?v=1766209269</image:loc>
      <image:title>(1) Tested Sylvania 6BX7GT Tube Date Code ii YKD Twin Triode Tube Black Plates</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-date-code-nr-dcw-sylvania-6w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_29ded1e6-3b7b-41ec-b15f-c7b79fde5979.webp?v=1766209341</image:loc>
      <image:title>(1) Tested Sylvania 6W4GT Tube Date Code NR DCW Sylvania 6W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1g3gt-1b3gt-tube-date-code-68-22-rca-1g3-gt-tube-1b3-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_76a5149b-f4f3-4cf7-ac15-70a0e79deb0b.webp?v=1766209423</image:loc>
      <image:title>(1) Tested RCA 1G3GT/1B3GT Tube Date Code 68-22 RCA 1G3 GT Tube 1B3 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3au6-tube-with-box-date-code-fb-sharp-cutoff-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_fedd1b9e-b8ca-45f4-8513-c1b4516a4557.webp?v=1766209481</image:loc>
      <image:title>(1) Tested RCA 3AU6 Tube with Box Date Code FB Sharp Cutoff Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7c5-tube-philco-loktal-tube-beam-power-vacuum-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_ee9e4e97-45e5-4772-b041-f7655dadff82.webp?v=1766209553</image:loc>
      <image:title>(1) Tested Philco 7C5 Tube Philco Loktal Tube Beam Power Vacuum Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-17-untested-tubes-valves-telefunken-tubes-mullard-tubes-philips-more</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_61a7e93a-75d6-4978-971b-d85db0e9e583.webp?v=1766209732</image:loc>
      <image:title>Lot of (17) UNTESTED Tubes Valves Telefunken Tubes Mullard Tubes Philips &amp; More</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6jz8-tube-with-box-date-code-hl-aao-medium-mu-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_3339bde3-7127-4d8e-94b0-2260ca71f4fd.webp?v=1766209855</image:loc>
      <image:title>(1) Tested Sylvania 6JZ8 Tube with Box Date Code hl AAO Medium Mu Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6sh7-tube-date-code-6-39-6sh7-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_e6944a45-d841-4bfc-83f4-762c0ffb656e.webp?v=1766209918</image:loc>
      <image:title>(1) Tested Ken Rad 6SH7 Tube Date Code 6-39 6SH7 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-masline-35b5-tube-with-box-date-code-52-04-quick-chek-of-philadelphia</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_576395a1-fdc7-4695-a0ef-c8a146c5efcd.webp?v=1766210112</image:loc>
      <image:title>(1) Tested Masline 35B5 Tube with Box Date Code 52-04 Quick-Chek of Philadelphia</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-3by6-tube-with-box-date-code-cb-pentagrid-amplifier-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_f503848b-7cc9-416f-a1e9-d3cc4046bd96.webp?v=1766210191</image:loc>
      <image:title>(1) Tested 1956 Sylvania 3BY6 Tube and Box Code CB Pentagrid Amplifier Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12j5gt-vt-135-tube-date-code-s-rca-12j5-gt-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_a52318da-9149-41c4-b345-680c1cd1ad7c.webp?v=1766210242</image:loc>
      <image:title>(1) Tested RCA 12J5GT VT-135 Tube Date Code S RCA 12J5 GT Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philips-ecg-jan-5750-tube-date-code-ach-philips-5750-pentagrid-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_6647ef7c-e1d9-4721-bf1e-7d3bdab17b34.webp?v=1766210357</image:loc>
      <image:title>(1) Tested Philips ECG JAN 5750 Tube Date Code ACH Philips 5750 Pentagrid Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-motorola-12sn7gt-tube-black-t-plates-code-444-12sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_d42c1652-b6f7-40e8-8ae7-82d00c1fedb9.webp?v=1766212626</image:loc>
      <image:title>(1) Tested Balanced Motorola 12SN7GT Tube Black T Plates Code 444 12SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12dq6b-tube-date-code-bs-12dq6-b-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_eb2311f9-864f-4e74-92fe-a963b39dfb55.webp?v=1766212725</image:loc>
      <image:title>(1) Tested RCA 12DQ6B Tube Date Code BS 12DQ6 B Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6cg7-tube-medium-mu-twin-triode-vintage-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_9d2c7df1-f4d6-4d38-82b7-2c135aea4466.webp?v=1766212791</image:loc>
      <image:title>(1) Tested Unbranded 6CG7 Tube Medium-Mu Twin Triode Vintage Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7wgta-tube-brown-base-black-angled-t-plates-6sn7-wgta-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_0b57ca60-f1d9-4875-8641-466201abe3dd.webp?v=1766212853</image:loc>
      <image:title>(1) Tested Sylvania 6SN7WGTA Tube Brown Base Black Angled T Plates 6SN7 WGTA (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sn7gtb-tube-glow-top-filament-o-getter-date-code-re-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/D3D92797-633F-4675-A844-CC90CC51905A.jpg?v=1775554905</image:loc>
      <image:title>(1) Tested 1971 GE 6SN7GTB Tube Glow Top Filament O Getter Date Code RE 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1962-telefunken-ef85-tube-date-code-4202526-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_75e1a163-78aa-47c8-8bf1-0ca01d0d4021.webp?v=1766213066</image:loc>
      <image:title>(1) Tested 1962 Telefunken EF85 Tube Date Code 4202526 Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6sn7gtb-tube-box-code-ry-glow-top-filament-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/910BF0AF-4D1A-4326-998C-610A9FE3E2B5.jpg?v=1775555070</image:loc>
      <image:title>(1) Tested Balanced GE 6SN7GTB Tube &amp; Box Code RY Glow Top Filament 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-matsushita-17ew8-tube-high-mu-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_542b776a-a6db-49a3-8864-b2407ff84e06.webp?v=1766213362</image:loc>
      <image:title>(1) Tested Balanced Matsushita 17EW8 Tube High Mu Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-matched-and-balanced-pair-ge-12ax7-ecc83-tubes-code-ez-12ax7-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_3d51e1f3-f5af-4574-a3b8-f1e92323de10.webp?v=1766213436</image:loc>
      <image:title>(1) Tested Matched and Balanced Pair GE 12AX7/ECC83 Tubes Code EZ 12AX7 Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-deforest-sanabria-19au4gta-tube-date-code-61-09-19au4-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_70334d0d-8e7e-48b5-85a8-3d88d9e22043.webp?v=1766213592</image:loc>
      <image:title>(1) Tested Strong Deforest Sanabria 19AU4GTA Tube Date Code 61-09 19AU4 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6de4-tube-date-code-66-30-6de4-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_4a9209bc-38c9-4849-88f0-b9c44b34364c.webp?v=1766213672</image:loc>
      <image:title>(1) Tested 1966 Philco 6DE4 Tube Date Code 66-30 6DE4 Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ba8a-tube-date-code-nr-medium-mu-triode-cutoff-pentode-6ba8-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_7818fe7c-111c-495f-9895-e64fd788bb9f.webp?v=1766213751</image:loc>
      <image:title>(1) Tested RCA 6BA8A Tube Date Code NR Medium Mu Triode Cutoff Pentode 6BA8 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-jhy-955-tube-jhy-955-acorn-tube-vt-121-medium-mu-triode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_3ab96763-81f3-4db6-be49-93c64999fcd6.webp?v=1766213819</image:loc>
      <image:title>(1) Tested JHY-955 Tube JHY 955 Acorn Tube VT-121 Medium Mu Triode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-victor-type-38-tube-date-code-613-rca-38-tube-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_9fb142e2-bd64-40ce-a92f-065974358f72.webp?v=1766213901</image:loc>
      <image:title>(1) Tested RCA Victor Type 38 Tube Date Code 613 RCA 38 Tube Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6sn7gtb-tube-date-code-713-black-angled-t-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_a1f9484d-8ebc-4e48-b542-338b29b3992f.webp?v=1766213975</image:loc>
      <image:title>(1) Tested 1947 Zenith 6SN7GTB Tube Date Code 713 Black Angled T Plates 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-radiotron-5v4g-tube-date-code-6-26-rca-5v4-g</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_b6165029-a04e-4cd5-94ed-2a85ad3e3619.webp?v=1766214065</image:loc>
      <image:title>(1) Tested Strong RCA Radiotron 5V4G Tube Date Code 6-26 RCA 5V4 G</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-2050a-2050-tube-coin-base-date-code-fw-2050a-tube-2050-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_5d69cc66-7087-4692-ba92-8e37a3f8bef7.webp?v=1766214140</image:loc>
      <image:title>(1) Tested GE 2050A/2050 Tube Coin Base Date Code FW 2050A Tube 2050 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1945-rca-jan-crc-6k8-tube-with-box-date-code-h6e-mil-spec-vt-167-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_8f429c8d-e924-4466-8e18-c6c19ab3de1f.webp?v=1766214215</image:loc>
      <image:title>(1) Tested 1945 RCA JAN CRC 6K8 Tube with Box Date Code H6E Mil-Spec VT 167 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-1852-tube-date-code-1-48-general-electric-6ac7-tube-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_ff54ac79-e8f2-46b7-a180-26f4a8e8ba20.webp?v=1766214376</image:loc>
      <image:title>(1) Tested GE 6AC7/1852 Tube Date Code 1-48 General Electric 6AC7 Tube 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-date-code-bkp-black-staggered-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_b0357d72-e62e-4781-88af-06c7e6b33118.webp?v=1766214444</image:loc>
      <image:title>(1) Tested RCA 6SN7GTB Tube Date Code BKP Black Staggered Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ea6-tube-with-box-date-code-mb-black-plate-pentode-tube-g</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_e97c6250-fe8f-489a-96ec-70a00f976c44.webp?v=1766214801</image:loc>
      <image:title>(1) Tested RCA 12EA6 Tube with Box Date Code MB Black Plate Pentode Tube (g)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6bl7gt-tube-date-code-ef-6bl7-gt-tube-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_36d793b0-6341-44d8-a743-051f1184eb33.webp?v=1766214874</image:loc>
      <image:title>(1) Tested CBS 6BL7GT Tube Date Code EF 6BL7 GT Tube Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6cl6-tube-date-code-ek-rca-6cl6-power-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_5ea4ab75-9cbf-4f94-88b6-17c4e182ab3d.webp?v=1766215006</image:loc>
      <image:title>(1) Tested Strong RCA 6CL6 Tube Date Code EK RCA 6CL6 Power Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-stromberg-carlson-6w4gt-tube-code-0-52-ge-eia-6w4-gt-rectifier-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_920e40a2-20e5-49ad-ba8d-6339041c513c.webp?v=1766215068</image:loc>
      <image:title>(1) Tested Stromberg Carlson 6W4GT Tube Code 0-52 GE EIA 6W4 GT Rectifier (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-strong-raytheon-6sn7gtb-tube-black-plates-code-c14-6sn7gt-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_18abe019-3221-4ef0-ae5a-93709672fc9c.webp?v=1766215131</image:loc>
      <image:title>Tested Balanced Strong Raytheon 6SN7GTB Tube Black Plates Code C14 6SN7GT (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6eb8-tube-date-code-69-22-high-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_e90369d4-d75f-4bc4-8b3a-04703ecc8dc8.webp?v=1766215191</image:loc>
      <image:title>(1) Tested Westinghouse 6EB8 Tube Date Code 69-22 High Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6v6gt-tube-date-code-813-delco-6v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_47871e29-6e86-41a7-bafe-7cffe74c3e0c.webp?v=1766215271</image:loc>
      <image:title>(1) Tested Delco 6V6GT Tube Date Code 813 Delco 6V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-tube-date-code-sv-micanol-base-general-electric-6ac7-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_1f5e19f4-4d3b-4c35-865b-e7a111ff70f6.webp?v=1766215335</image:loc>
      <image:title>(1) Tested GE 6AC7 Tube Date Code SV Micanol Base General Electric 6AC7 Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6gb5-el500-tube-magnoval-date-d1-6gb5-tube-el500-britain</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_bdfc8145-39b4-49a2-b03b-0ffa85542478.webp?v=1766215429</image:loc>
      <image:title>(1) Tested Strong RCA 6GB5/EL500 Tube Magnoval Date D1 6GB5 Tube EL500 Britain</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bq6gt-tube-date-code-1-52-sylvania-6bq6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_3be6e642-0c70-4399-a79a-86c4615b9918.webp?v=1766215519</image:loc>
      <image:title>(1) Tested 1951 Sylvania 6BQ6GT Tube Date Code 1-52 Sylvania 6BQ6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-code-wlt-staggered-black-ladder-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_d421d2a5-f22e-42d6-8842-e43dcf22f4eb.webp?v=1766215592</image:loc>
      <image:title>(1) Tested RCA 6SN7GTB Tube Code WLT Staggered Black Ladder Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6sn7gt-tube-tall-bottle-code-139-black-plates-sylvania-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_cbe506f6-348a-47ff-ab07-fdb95e96f81a.webp?v=1766215866</image:loc>
      <image:title>(1) Tested Zenith 6SN7GT Tube Tall Bottle Code 139 Black Plates Sylvania 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-5727-tube-rca-5727-gas-thyratron-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_7c531b71-8436-461b-9739-054899ae9386.webp?v=1766215954</image:loc>
      <image:title>(1) Tested Strong RCA 5727 Tube RCA 5727 Gas Thyratron Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-channel-master-2cy5-tube-with-box-code-f40-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_04f7a1ca-1316-4be1-8790-29a64d71f532.webp?v=1766216043</image:loc>
      <image:title>(1) Tested Channel Master 2CY5 Tube with Box Code F40 Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6k6gt-tube-date-code-9-17-6k6-gt-tube-black-smoked-glass</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_b4148840-d081-411f-863b-4bd33f34c182.webp?v=1766216135</image:loc>
      <image:title>(1) Tested Ken Rad 6K6GT Tube Date Code 9-17 6K6 GT Tube Black Smoked Glass</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2e26-tube-date-code-nea-beam-power-amplifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_23c33d0c-7f4c-4df2-a6f3-3577f25c10b7.webp?v=1766217851</image:loc>
      <image:title>(1) Tested RCA 2E26 Tube Date Code NEA Beam Power Amplifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-72-tube-socket-adapter-to-replace-6a7-tube-with-7b8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_6f55dd14-2c32-4840-b763-3d94ed61b99e.webp?v=1766217938</image:loc>
      <image:title>Vintage Adaptol No. 72 Tube Socket Adapter To Replace 6A7 Tube with 7B8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gm6-tube-sylvania-semiremote-cutoff-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_fc48802f-cbd2-4c3d-aa52-70033d913183.webp?v=1766218005</image:loc>
      <image:title>(1) Tested Sylvania 6GM6 Tube Sylvania SemiRemote Cutoff Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6n7-tube-date-code-nn-twin-power-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_031de54f-e321-4d82-925e-c1601ab784a1.webp?v=1766218115</image:loc>
      <image:title>(1) Tested National Union 6N7 Tube Date Code NN Twin Power Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-2-nos-mullard-and-international-ey51-6x2-tubes-untested-with-boxes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_44c69885-73d1-4231-8044-c7970e87a01a.webp?v=1766218249</image:loc>
      <image:title>Lot of (2) NOS Mullard and International EY51 6X2 Tubes Untested with Boxes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-6k7-tube-with-box-remote-cut-off-pentode-metal-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_b8baf0c8-fc35-4545-8e48-05b413bb0512.webp?v=1766218396</image:loc>
      <image:title>(1) Tested GM Delco 6K7 Tube with Box Remote Cut Off Pentode Metal Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-19bg6g-tube-date-code-317-rca-19bg6-g-beam-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_11ae7abb-c0e0-44c8-a101-3ef87f297ac7.webp?v=1766218459</image:loc>
      <image:title>(1) Tested RCA 19BG6G Tube Date Code 317 RCA 19BG6 G Beam Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/nos-factory-sealed-pack-5-western-electric-a-2-lamps-switchboard-lamps-bulbs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_52045a27-b7d6-4653-accb-afe7a5eef20e.webp?v=1766218527</image:loc>
      <image:title>NOS Factory Sealed Pack (5) Western Electric A-2 Lamps Switchboard Lamps Bulbs</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6sn7gtb-tube-black-ladder-plates-rca-eia-code-57-09-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_9d20af48-924c-4336-908a-e551bf167fcd.webp?v=1766218621</image:loc>
      <image:title>(1) Tested 1957 Magnavox 6SN7GTB Tube Black Plates RCA EIA Code 57-09 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12cu5-12c5-tube-date-code-kt-general-electric-12cu5-12c5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_d14ae5cd-3317-4a35-96bf-20e6119aa49b.webp?v=1766218703</image:loc>
      <image:title>(1) Tested GE 12CU5/12C5 Tube Date Code KT General Electric 12CU5 12C5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-24lq6-24je6c-tube-date-code-gv-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_70110495-d357-4902-9c59-5ff52a81b638.webp?v=1766218774</image:loc>
      <image:title>(1) Tested Strong RCA 24LQ6 24JE6C Tube Date Code GV with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-6cb6a-6cf6-tube-with-box-made-in-japan-pentode-6cb6a-6cf6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_b04cb5ef-9a14-4875-951e-e2e21ddc556b.webp?v=1766218859</image:loc>
      <image:title>(1) Tested Lindal 6CB6A/6CF6 Tube with Box Made in Japan Pentode 6CB6A 6CF6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-motorola-6sn7gtb-tube-gray-plates-date-code-5-52-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_43208d1b-bf8a-4c4a-941a-c6f7d5e38e27.webp?v=1766218939</image:loc>
      <image:title>(1) Tested Balanced 1955 Motorola 6SN7GTB Tube Gray Plates Date Code 5-52 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bk5-tube-with-box-date-code-cl-rca-6bk5-beam-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_d5afaec2-c1e6-4125-bebe-54168a4e8cf7.webp?v=1766219023</image:loc>
      <image:title>(1) Tested RCA 6BK5 Tube with Box Date Code CL RCA 6BK5 Beam Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bh6-tube-date-code-60-48-general-electric-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_d6d2b2c0-f0e0-40bb-9152-69c2e44d094e.webp?v=1766219083</image:loc>
      <image:title>(1) Tested GE 6BH6 Tube Date Code 60-48 General Electric Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-32et5a-tube-with-box-date-code-70-13-32et5-a-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_e81c22ff-aa27-49f3-a31a-30d0daae856f.webp?v=1766219159</image:loc>
      <image:title>(1) Tested Zenith 32ET5A Tube with Box Date Code 70-13 32ET5 A Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-35a5-tube-date-code-2-30-general-electric-35a5-loctal-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_cab63eec-1a60-4638-a2ec-1b6fa82ad0f0.webp?v=1766219223</image:loc>
      <image:title>(1) Tested GE 35A5 Tube Date Code 2-30 General Electric 35A5 Loctal Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6w6gt-tube-date-code-bm-rca-6w6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_ce507152-4d6d-4571-b690-ebf555c91985.webp?v=1766219292</image:loc>
      <image:title>(1) Tested Strong RCA 6W6GT Tube Date Code BM RCA 6W6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-jan-crp-2050-tube-date-code-le4-vt-245-raytheon-2050-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_c8df62cf-c7a1-43c8-bab1-523b4d6a692a.webp?v=1766219356</image:loc>
      <image:title>(1) Tested Raytheon JAN CRP 2050 Tube Date Code LE4 VT-245 Raytheon 2050 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-ge-6sn7gtb-tubes-gray-plates-round-getter-codes-lt-63-52-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_95d3dc96-21f3-4551-8cf1-49449d0ff0c9.webp?v=1766219459</image:loc>
      <image:title>Matched Pair GE 6SN7GTB Tubes Gray Plates Round Getter Codes LT &amp; 63-52 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-32et5a-tube-with-box-date-code-70-13-32et5-a-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_d93dff51-267f-466e-bacb-5b1f3c5eb929.webp?v=1766261958</image:loc>
      <image:title>(1) Tested Zenith 32ET5A Tube with Box Date Code 70-13 32ET5 A Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-1k3-tube-date-code-62-04-rca-eia-code-1k3-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_1938ab92-8853-42ee-bd13-83440ead0325.webp?v=1766262001</image:loc>
      <image:title>(1) Tested Zenith 1K3 Tube Date Code 62-04 RCA EIA Code 1K3 Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6q7gt-tube-date-code-yjl-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_503d49d5-ccc7-42ea-a1a3-70e817444f91.webp?v=1766262069</image:loc>
      <image:title>(1) Tested RCA 6Q7GT Tube Date Code YJL Twin Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-sylvania-6sn7gtb-tubes-red-letters-on-glass-ana-gb-black-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_30f7f2e9-4e7c-4f07-8c0a-0e8cb289a46b.webp?v=1766262142</image:loc>
      <image:title>Matched Sylvania 6SN7GTB Tubes Red Letters On Glass ANA GB Black Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bq6gtb-tube-date-code-60-52-general-electric-12bq6-gtb-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_7f21c37c-4e30-4554-b554-f8d65ae57034.webp?v=1766262224</image:loc>
      <image:title>(1) Tested GE 12BQ6GTB Tube Date Code 60-52 General Electric 12BQ6 GTB Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6gy6-tube-with-box-date-code-dd-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_14833a7f-5c73-483a-b6ca-3859505937e1.webp?v=1766262339</image:loc>
      <image:title>(1) Tested Strong RCA 6GY6 Tube with Box Date Code DD Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12gn7a-tube-sharp-cutoff-pentode-12gn7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_094f2d58-1f5d-4651-bd31-a8cd3ce061ea.webp?v=1766262395</image:loc>
      <image:title>(1) Tested Sylvania 12GN7A Tube Sharp Cutoff Pentode 12GN7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sg7-tube-with-box-date-code-952-rca-6sg7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_be4b372a-d7f7-4e53-aa50-49df399107e5.webp?v=1766262705</image:loc>
      <image:title>(1) Tested 1959 RCA 6SG7 Tube with Box Date Code 952 RCA 6SG7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6cg7-tube-code-5-35-black-plates-horseshoe-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_15c18abe-ef95-46de-975b-4def60790464.webp?v=1766263383</image:loc>
      <image:title>(1) Tested Balanced RCA 6CG7 Tube Code 5-35 Black Plates Horseshoe Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-super-silvertone-type-80-tube-hanging-filament-date-code-8ax</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_02c08c9b-6a48-4a74-a70b-388bb8e5e4a7.webp?v=1766263453</image:loc>
      <image:title>(1) Tested Super Silvertone Type 80 Tube Hanging Filament Date Code 8AX</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6kt8-tube-rainbow-glass-getter-code-ca-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_e5c8571e-0b09-40fb-8460-61d4bfc7a275.webp?v=1766263627</image:loc>
      <image:title>(1) Tested Strong GE 6KT8 Tube Rainbow Glass Getter Code CA Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-6sn7gtb-tube-with-box-tall-bottle-black-plates-code-pc-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_7a28e190-c55f-462f-ba0a-b4666f0039ac.webp?v=1766263717</image:loc>
      <image:title>(1) Tested CBS 6SN7GTB Tube with Box Tall Bottle Black Plates Code PC 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sj7-tube-with-box-date-code-426-rca-sharp-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_1722643a-327a-4924-82c9-b63c1704fe83.webp?v=1766263801</image:loc>
      <image:title>(1) Tested RCA 12SJ7 Tube with Box Date Code 426 RCA Sharp Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dq6b-tube-date-code-60-09-general-electric-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_2a72ea18-816b-41e1-8551-3810d477dd9e.webp?v=1766266971</image:loc>
      <image:title>(1) Tested GE 6DQ6B Tube Date Code 60-09 General Electric 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-philco-6da4-tube-date-code-6430-rectifier-6da4-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_fe861f73-8445-4626-8b2b-8bf5f8bb6906.webp?v=1766268270</image:loc>
      <image:title>(1) Tested Very Strong Philco 6DA4 Tube Date Code 6430 Rectifier 6DA4 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-7b8-tube-loktal-tube-loctal-tube-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_8e02ebcd-ecaf-4064-8388-ce46383165da.webp?v=1766268334</image:loc>
      <image:title>(1) Tested Delco 7B8 Tube Loktal Tube Loctal Tube Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-ge-6sn7-gtb-tubes-copper-grid-posts-horseshoe-62-26-61-09</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_dfe8ae08-cec9-4e9e-a5f8-77fa64bd8855.webp?v=1766268401</image:loc>
      <image:title>Tested Matched Pair GE 6SN7 GTB Tubes Copper Grid Posts Horseshoe 62-26 &amp; 61-09</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-victor-6sh7-tube-date-code-652-rca-6sh7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_d00b9eb1-1fb6-4dde-9560-f48aabfdf3e9.webp?v=1766268491</image:loc>
      <image:title>(1) Tested Very Strong RCA Victor 6SH7 Tube Date Code 652 RCA 6SH7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-12sn7gt-tube-black-3-hole-plates-date-code-2804-09-12sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_792fed90-b24a-44b2-a30e-b0c7d83543df.webp?v=1766268556</image:loc>
      <image:title>(1) Tested Motorola 12SN7GT Tube Black 3 Hole Plates Date Code 2804-09 12SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-7b5-tube-loctal-tube-power-pentode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_67b7821b-daf8-4d88-8b46-acf29e48b094.webp?v=1766268632</image:loc>
      <image:title>(1) Tested National Union 7B5 Tube Loctal Tube Power Pentode Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-32et5a-tube-date-code-rt-general-electric-32et5-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_934331ad-1a07-4f74-8a66-f86d201ae273.webp?v=1766268692</image:loc>
      <image:title>(1) Tested GE 32ET5A Tube Date Code RT General Electric 32ET5 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sn7gtb-tube-gray-plates-horseshoe-getter-code-58-22-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_27d68cfa-17c2-4480-8632-180fc833f605.webp?v=1766268799</image:loc>
      <image:title>(1) Tested 1958 GE 6SN7GTB Tube Gray Plates Horseshoe Getter Code 58-22 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35z3-tube-date-code-y6r-rectifier-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_0eb29cca-48fc-4613-85df-904813de0fcf.webp?v=1766268862</image:loc>
      <image:title>(1) Tested Sylvania 35Z3 Tube Date Code Y6R Rectifier Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-code-gd-apa-foil-halo-black-angled-t-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1046.jpg?v=1775244060</image:loc>
      <image:title>(1) Tested RCA 6SN7GTB Tube Code GD APA Foil Halo Black Angled T Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6au6-tube-date-code-3031-philco-6au6-sharp-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_7d9cb4d5-3aff-4d03-bb7b-1eeb49845d22.webp?v=1766268980</image:loc>
      <image:title>(1) Tested Philco 6AU6 Tube Date Code 3031 Philco 6AU6 Sharp Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cg7-tube-date-code-lt-general-electric-6cg7-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_bc3a1ab1-dbaf-4516-99d5-3016d34fd903.webp?v=1766269036</image:loc>
      <image:title>(1) Tested GE 6CG7 Tube Date Code LT General Electric 6CG7 Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12l6gt-tube-with-box-code-730-3-12l6-gt-beam-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_d3afe53b-9125-49ee-ae90-a6c4351c2029.webp?v=1766269108</image:loc>
      <image:title>(1) Tested 1957 Tung Sol 12L6GT Tube with Box Code 730-3 12L6 GT Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-0a3-tube-date-code-5-04-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_1004f162-0fa5-4c47-bbdf-a98ec53243c8.webp?v=1766269167</image:loc>
      <image:title>(1) Tested RCA JAN CRC 0A3 Tube Date Code 5-04 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6au5gt-tube-date-code-0-43-westinghouse-6au5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_56ee5d97-bddb-4854-9264-59adbaa16ea0.webp?v=1766269236</image:loc>
      <image:title>(1) Tested Westinghouse 6AU5GT Tube Date Code 0-43 Westinghouse 6AU5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bk7b-tube-date-code-62-43-general-electric-6bk7-b-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_93247abe-e5f4-41d8-af74-b1c53cffcf81.webp?v=1766269294</image:loc>
      <image:title>(1) Tested GE 6BK7B Tube Date Code 62-43 General Electric 6BK7 B Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt5-tube-with-box-date-code-dv-canada-rca-beam-power-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-70_57b4f18b-f592-4d75-b7a8-813996259691.webp?v=1766269348</image:loc>
      <image:title>(1) Tested RCA 6DT5 Tube with Box Date Code DV Canada RCA Beam Power Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6jt8-tube-date-code-db-6jt8-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_16e21685-f07d-4a86-a9e7-7e08cfb04302.webp?v=1766269424</image:loc>
      <image:title>(1) Tested Very Strong RCA 6JT8 Tube Date Code DB 6JT8 Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6k7-tube-date-code-2-30-mil-spec-remote-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_1e5afb6e-ff76-4d0d-b33e-b573ccbf7d53.webp?v=1766269479</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6K7 Tube Date Code 2-30 Mil-Spec Remote Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-date-code-57-35-black-staggered-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-81_ea8177d0-a30d-47ce-bd49-3313d8c2fff5.webp?v=1766269532</image:loc>
      <image:title>(1) Tested 1957 RCA 6SN7GTB Tube Date Code 57-35 Black Staggered Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-117p7gt-tube-date-code-652-rca-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_a7cb3671-f7a4-459b-ab96-a39f26faab50.webp?v=1766269866</image:loc>
      <image:title>(1) Tested RCA 117P7GT tube Date Code 652 RCA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6c6-tube-date-code-639-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_f7888b24-bacf-43b6-9bc7-7cd03062a4ca.webp?v=1766269921</image:loc>
      <image:title>(1) Tested RCA 6C6 Tube Date Code 639 Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-sylvania-6sn7gtb-tube-black-plates-chrome-dome-code-bc-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_cc142894-bec3-4bd3-b119-70d802ab99a7.webp?v=1766270026</image:loc>
      <image:title>Tested Balanced Sylvania 6SN7GTB Tube Black Plates Chrome Dome Code BC 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3q5gt-tube-with-box-date-code-135-rca-3q5-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_dbbe843d-427e-49e1-9891-27e84982d5e7.webp?v=1766270097</image:loc>
      <image:title>(1) Tested RCA 3Q5GT Tube with Box Date Code 135 RCA 3Q5 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ej7-tube-made-in-germany-date-code-3f-6ej7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-16_d8461711-9672-4937-9c30-8af272a0388e.webp?v=1766270152</image:loc>
      <image:title>(1) Tested Zenith 6EJ7 Tube Made in Germany Date Code 3F 6EJ7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-31js6a-tube-31js6-a-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_73d395dc-307a-4f41-80fa-adf37eb231be.webp?v=1766270229</image:loc>
      <image:title>(1) Tested Unbranded 31JS6A Tube 31JS6 A Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12ax4gta-tube-date-code-mc-rca-12ax4-gta-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_58b40a8c-aadd-424e-a856-4b9e3bcc4048.webp?v=1766270322</image:loc>
      <image:title>(1) Tested Strong RCA 12AX4GTA Tube Date Code MC RCA 12AX4 GTA Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-emerson-6sn7gta-tube-black-angled-t-plates-date-code-426-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_14af954a-1755-450b-9870-4f92caeaa15c.webp?v=1766270384</image:loc>
      <image:title>(1) Tested 1954 Emerson 6SN7GTA Tube Black Angled T Plates Code 426 6SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-6bl7gt-tube-date-code-543-6bl7-gt-tube-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_d47ea2b4-c6c3-47d9-834c-20e2702c12fb.webp?v=1766270457</image:loc>
      <image:title>(1) Tested Crosley 6BL7GT Tube Date Code 543 6BL7 GT Tube Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-32et5a-tube-with-box-date-code-bau-32et5-a-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_c889a3fd-b785-4b4c-8530-d34256d1058a.webp?v=1766270511</image:loc>
      <image:title>(1) Tested Sylvania 32ET5A Tube with Box Date Code BAU 32ET5 A Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12sn7gta-tube-black-ladder-plates-date-code-ar-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_38141094-2a40-4758-8e1c-3d4dcd9b56b3.webp?v=1766270564</image:loc>
      <image:title>(1) Tested Balanced RCA 12SN7GTA Tube Black Ladder Plates Date Code AR 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6dx8-ecl84-tubes-with-boxes-codes-ep-6dx8-tubes-ecl84</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_5b78c2da-4053-44a8-be36-61823c2035c5.webp?v=1766270676</image:loc>
      <image:title>Tested Matched Pair RCA 6DX8/ECL84 Tubes with Boxes Codes EP 6DX8 Tubes ECL84</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-35l6gt-tube-with-box-date-code-149-tung-sol-35l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_4bdbc1c3-5847-4884-a14c-7265dd09c788.webp?v=1766270714</image:loc>
      <image:title>(1) Tested 1951 Tung-Sol 35L6GT Tube with Box Code 149 Tung Sol 35L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-kk-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_af8f77a1-18cf-4d69-979c-8f81b498978a.webp?v=1766270771</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code KK RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6t8a-tube-ge-6t8-a-triple-diode-high-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_317ee3d4-6f83-468b-8ddf-a1874d0c35c0.webp?v=1766271278</image:loc>
      <image:title>(1) Tested GE 6T8A Tube GE 6T8 A Triple Diode High Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cd6g-tube-date-code-4-17-rca-6cd6-g-coke-bottle-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_8ac58613-af00-403d-b86e-494e4e3f61df.webp?v=1766271332</image:loc>
      <image:title>(1) Tested RCA 6CD6G Tube Date Code 4-17 RCA 6CD6 G Coke Bottle Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-7au7-tube-date-code-57-39-general-electric-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_ca280662-e1b6-4a61-bb59-b19e8966493c.webp?v=1766271396</image:loc>
      <image:title>(1) Tested GE 7AU7 Tube Date Code 57-39 General Electric Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6dg6gt-tube-date-code-p58-06c-raytheon-eia-code-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_3eab4254-7b51-4cb8-9d49-1114051fe2ca.webp?v=1766271457</image:loc>
      <image:title>(1) Tested Magnavox 6DG6GT Tube Date Code P58-06C Raytheon EIA Code Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1947-western-electric-403b-tube-black-plates-with-box-date-code-713</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-75_f6f4325e-e756-4e7c-9ad2-e4dad8e0f64b.webp?v=1766271575</image:loc>
      <image:title>(1) Tested 1947 Western Electric 403B Tube Black Plates with Box Date Code 713</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-westinghouse-6sn7gtb-tube-black-plates-code-7r04-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_4e5916d3-6289-4073-a04a-aeb80c93ad29.webp?v=1766271651</image:loc>
      <image:title>(1) Tested Balanced Westinghouse 6SN7GTB Tube Black Plates Code 7R04 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6au5gt-tube-date-code-2-09-westinghouse-6au5-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_17a23bfc-91c9-495f-906a-d0d6def43827.webp?v=1766271787</image:loc>
      <image:title>(1) Tested Westinghouse 6AU5GT Tube Date Code 2-09 Westinghouse 6AU5 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-3av6-tube-with-box-date-code-61-17-twin-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_5f89f869-6f9b-4789-aa7a-d77aeeeaf4bf.webp?v=1766271872</image:loc>
      <image:title>(1) Tested GE 3AV6 Tube with Box Date Code 61-17 Twin Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-7w7-tube-with-box-date-code-52-loktal-tube-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_3d70b06a-7db3-4e9c-8454-38d0f123b0c3.webp?v=1766272223</image:loc>
      <image:title>(1) Tested Raytheon 7W7 Tube with Box Date Code 52 Loktal Tube Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-109-tube-socket-adapter-to-convert-7f7-tube-to-25z5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_8ebf1baf-90b6-46c2-9508-6ed45958a216.webp?v=1766272311</image:loc>
      <image:title>Vintage Adaptol No. 109 Tube Socket Adapter To Convert 7F7 Tube to 25Z5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-motorola-19au4-tube-date-code-5727-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_21ddb57c-c49e-43b4-a603-68cb0ecf12df.webp?v=1766272367</image:loc>
      <image:title>(1) Tested Strong Motorola 19AU4 Tube Date Code 5727 Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-7w7-tube-with-box-date-code-5135-loktal-tube-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_bce68a63-1b0a-4008-9661-757f459e2c17.webp?v=1766272441</image:loc>
      <image:title>(1) Tested Hytron 7W7 Tube with Box Date Code 5135 Loktal Tube Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-12ax4gtb-tube-date-code-63-45-12ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_b6e2ce9f-bc42-4fbb-b2db-0edf5da93ae8.webp?v=1766272576</image:loc>
      <image:title>(1) Tested Dumont 12AX4GTB Tube Date Code 63-45 12AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-electronics-6c5-tube-medium-mu-triode-black-metal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_e4323b0c-e03f-491c-870f-cedd11926538.webp?v=1766272641</image:loc>
      <image:title>(1) Tested National Electronics 6C5 Tube Medium Mu Triode Black Metal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-western-union-6sn7gtb-tubes-codes-64-39-63-39-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_8a77fd64-e7b4-40f8-a1de-830f0ee9167f.webp?v=1766272751</image:loc>
      <image:title>Tested Matched Pair 1963/64 Western Union 6SN7GTB Tubes Codes 64-39 63-39 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1971-western-electric-407a-tube-date-code-7113-407-a-double-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_ca22e1b3-c006-4214-8e33-c8e4ec05c02c.webp?v=1766272910</image:loc>
      <image:title>(1) Tested 1971 Western Electric 407A Tube Date Code 7113 407 A Double Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-17ax4gta-17dm4a-tube-date-code-cl-dbw-17ax4-gta-17dm4-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_ac4baff8-2b23-4816-838a-0168ae587916.webp?v=1766272976</image:loc>
      <image:title>(1) Tested Sylvania 17AX4GTA/17DM4A Tube Date Code cl DBW 17AX4 GTA 17DM4 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-arcturus-6sn7gt-tube-black-t-plates-date-code-3ac-949-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_fc44a344-10e7-4b74-97c9-8d01081ea799.webp?v=1766273032</image:loc>
      <image:title>(1) Tested Arcturus 6SN7GT Tube Black T Plates Date Code 3AC 949 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-general-motors-6r7g-tube-engraved-base-date-code-07</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_356ed949-3870-4001-9e52-50d3a5215b73.webp?v=1766273108</image:loc>
      <image:title>(1) Tested GM (General Motors) 6R7G Tube Engraved Base Date Code 07</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-jan-ckr-6j5-tube-date-code-y4-mil-spec-vt-94-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_83f23633-54a5-4c88-aa17-26539147b76c.webp?v=1766273164</image:loc>
      <image:title>(1) Tested Ken Rad JAN CKR 6J5 Tube Date Code Y4 Mil Spec VT-94 Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-48-dumont-5v6-gt-beam-power-tube-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_9c045c55-0f3e-4916-8394-c4739debe7a0.webp?v=1766273219</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-48 Dumont 5V6 GT Beam Power Tube (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gtb-tube-black-plates-halo-date-code-ma-aay-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_a8f1695b-05e4-43de-831c-2c05ea11df45.webp?v=1766273278</image:loc>
      <image:title>(1) Tested 1965 Sylvania 6SN7GTB Tube Black Plates Halo Code ma AAY 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-12v6gt-tube-date-code-66-22-sylvania-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_206531e9-9618-4700-850d-34ec4eebae13.webp?v=1766273349</image:loc>
      <image:title>(1) Tested Dumont 12V6GT Tube Date Code 66-22 Sylvania EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12sk7-tube-date-code-5r13-12sk7-pentode-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_5278c207-88f6-4d74-ba7c-fb2e187b5ee6.webp?v=1766273401</image:loc>
      <image:title>(1) Tested Westinghouse 12SK7 Tube Date Code 5R13 12SK7 Pentode Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-capehart-6av5gt-tube-date-code-3-35-ge-eia-188-6av5-gt-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-79_107e533e-a14b-49cb-8c0f-9fd0ac5a6519.webp?v=1766273510</image:loc>
      <image:title>(1) Tested Capehart 6AV5GT Tube Date Code 3-35 GE EIA 188 6AV5 GT Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-jan-crc-6ab7-tube-vt-176-date-code-%E2%97%BC%EF%B8%8Fv3e-pentode-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_986ccd85-a53b-4b8a-b34e-71c8260f71e3.webp?v=1766273604</image:loc>
      <image:title>(1) Tested Very Strong RCA JAN CRC 6AB7 Tube VT-176 Date Code ◼️V3E Pentode (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ej7-ef184-tube-date-code-ci-eo-sylvania-6ej7-ef184-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_e523a291-8e2a-4aa5-844d-9e073b6f6cdd.webp?v=1766273653</image:loc>
      <image:title>(1) Tested Sylvania 6EJ7/EF184 Tube Date Code ci EO Sylvania 6EJ7 EF184 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sg7-tube-date-code-ku-general-electric-6sg7-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-89_a60f54e8-2112-46e7-af77-886dc3182e55.webp?v=1766273758</image:loc>
      <image:title>(1) Tested GE 6SG7 Tube Date Code KU General Electric 6SG7 Remote-Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-stromberg-carlson-6w4gt-tube-code-113-sylvania-eia-code-6w4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-92_60a8ffdb-5ce0-492e-8c67-64133fb1e75a.webp?v=1766273818</image:loc>
      <image:title>(1) Tested Stromberg Carlson 6W4GT Tube Code 113 Sylvania EIA Code 6W4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-date-code-543-black-staggered-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_3f4b9c54-5c26-459e-845f-56dd6f5a386b.webp?v=1766273872</image:loc>
      <image:title>(1) Tested 1955 RCA 6SN7GTB Tube Date Code 543 Black Staggered Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12h6-tube-with-cleaver-brooks-box-date-code-de-diode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_7d631bbe-2b3a-4892-9096-ccda1548b07f.webp?v=1766274537</image:loc>
      <image:title>(1) Tested Strong 1970 RCA 12H6 Tube with Cleaver Brooks Box Code DE Diode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-3-14-ballast-tube-current-regulating-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_26da20ba-352f-4984-a21e-b2bfcc34b180.webp?v=1766274598</image:loc>
      <image:title>(1) Tested Amperite 3-14 Ballast Tube Current Regulating Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6bk7a-tube-with-box-japan-date-code-s12-6bk7-a-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_a68ec5b0-d75c-4f8b-99ae-d6828466c402.webp?v=1766274659</image:loc>
      <image:title>(1) Tested Raytheon 6BK7A Tube with Box Japan Date Code S12 6BK7 A Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6sn7gtb-tube-gray-plates-round-side-getter-code-jv-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_13f00743-7911-4664-9f17-247e5a889117.webp?v=1766274729</image:loc>
      <image:title>(1) Tested 1966 GE 6SN7GTB Tube Gray Plates Round Side Getter Code JV 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aq5-tube-date-code-kf-rca-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_3929246e-9ecd-4a96-87f4-4b211581b1f7.webp?v=1766274795</image:loc>
      <image:title>(1) Tested RCA 6AQ5 Tube Date Code KF RCA Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sg7-tube-date-code-dp3-tung-sol-6sg7-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_6d510e93-a772-4c54-8938-81104a4649ad.webp?v=1766274852</image:loc>
      <image:title>(1) Tested Tung-Sol 6SG7 Tube Date Code DP3 Tung Sol 6SG7 Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-cbs-6sn7gt-tubes-black-2-rivet-t-plates-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_914508c5-69d6-487a-9401-60809874efe3.webp?v=1766274914</image:loc>
      <image:title>Tested Matched Pair 1958 CBS 6SN7GT Tubes Black T Plates Codes 5805 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-jan-cnu-5z3-tube-hanging-filament-date-code-hn</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_2190b2c4-e244-45bd-a1f1-265428abf09c.webp?v=1766275156</image:loc>
      <image:title>(1) Tested National Union JAN CNU 5Z3 Tube Hanging Filament Date Code HN</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6dq6-tube-date-code-pe-zenith-6dq6-vintage-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_b41a332e-db33-4602-81bb-068d29a60d94.webp?v=1766275438</image:loc>
      <image:title>(1) Tested Zenith 6DQ6 Tube Date Code PE Zenith 6DQ6 Vintage Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6cr6-tube-with-box-date-code-k03-tung-sol-diode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_db0a5cc7-b6fd-4dd6-9916-b829910f4672.webp?v=1766275513</image:loc>
      <image:title>(1) Tested Tung-Sol 6CR6 Tube with Box Date Code K03 Tung Sol Diode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-gm-delco-6x5gt-tube-date-code-eo-6x5-gt-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_fa2fec83-e3d6-48cd-827d-71705844a69d.webp?v=1766275707</image:loc>
      <image:title>(1) Tested Balanced GM Delco 6X5GT Tube Date Code EO 6X5 GT Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6cd6g-tube-date-code-51-13-ge-eia-code-6cd6-g-coke-bottle-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_3d13fc52-bf57-4fa6-b288-51e06629e50a.webp?v=1766275796</image:loc>
      <image:title>(1) Tested 1951 Philco 6CD6G Tube Code 51-13 GE EIA Code 6CD6 G Coke Bottle Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-type-56-tube-date-code-630-general-electric-56-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_9e78dd4f-3341-4590-83f5-6409846a780e.webp?v=1766276338</image:loc>
      <image:title>(1) Tested Very Strong GE Type 56 Tube Date Code 630 General Electric 56 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-west-germany-6dl5-el95-tubes-6dl5-el95-power-output-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_f7cf4b53-049b-4513-b6b6-b3695e2bb0d4.webp?v=1766276405</image:loc>
      <image:title>Tested Matched Pair West Germany 6DL5/EL95 Tubes 6DL5 EL95 Power Output Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0a3-tube-date-code-59-22-voltage-regulator-glow-discharge-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_c8e66f54-2109-4a2c-bd1a-169b44381dee.webp?v=1766276564</image:loc>
      <image:title>(1) Tested RCA 0A3 Tube Date Code 59-22 Voltage Regulator Glow Discharge Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-silvertone-6sn7gtb-tube-chrome-dome-gray-code-bjh-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-57_a9fafa7d-ac93-47dd-bdd5-2d5c42cd3521.webp?v=1766276626</image:loc>
      <image:title>(1) Tested Balanced Silvertone 6SN7GTB Tube Chrome Dome Gray Code BJH 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-25l6gt-tube-date-code-lz-rca-25l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_e9f25992-857f-4563-a3bd-e51a1afea80b.webp?v=1766276749</image:loc>
      <image:title>(1) Tested Strong RCA 25L6GT Tube Date Code LZ RCA 25L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sn7gt-tube-smoked-glass-code-248-black-plates-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_036836df-b73c-4971-a81c-bcd03668926f.webp?v=1766276823</image:loc>
      <image:title>(1) Tested Balanced RCA 6SN7GT Tube Smoked Glass Code 248 Black Plates 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-matched-pair-rca-radiotron-ux-120-tubes-type-20-ux-120-tubes-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_1715b6ae-b3dc-4a0e-81b3-1f4d3518e35f.webp?v=1766276905</image:loc>
      <image:title>Tested Balanced Matched Pair RCA Radiotron UX-120 Tubes Type 20 UX 120 Tubes (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6ge5-tube-date-code-jw-general-electric-compactron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_03283f95-9e27-45ac-b9e3-e7a67ed5263e.webp?v=1766276980</image:loc>
      <image:title>(1) Tested Strong GE 6GE5 Tube Date Code JW General Electric Compactron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sn7gtb-tube-code-c1-black-staggered-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_1f5060ce-00e6-435a-b955-c57067ce636a.webp?v=1766277038</image:loc>
      <image:title>(1) Tested Balanced 1969 RCA 6SN7GTB Tube Code CI Black Staggered Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bh7a-tube-date-code-60-30-gray-plates-halo-getter-12bh7-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_92970a0b-e6cf-46da-8278-509e196a492d.webp?v=1766277098</image:loc>
      <image:title>(1) Tested GE 12BH7A Tube Date Code 60-30 Gray Plates Halo Getter 12BH7 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-36am3b-tube-with-box-date-code-ff-general-electric-36am3-b-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_a1284913-60de-4502-88b3-0a83898c42e0.webp?v=1766277159</image:loc>
      <image:title>(1) Tested GE 36AM3B Tube with Box Date Code FF General Electric 36AM3 B Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-black-stagger-ladder-plates-date-code-mg-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-93_54c4487b-ee28-4df7-815c-f841da332ec4.webp?v=1766277220</image:loc>
      <image:title>(1) Tested 1961 RCA 6SN7GTB Tube Black Stagger Ladder Plates Date Code MG 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-u-s-n-crc-6sj7-tube-date-code-s5-rca-6sj7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-97_b96129e8-f384-4774-9af1-9392887cf876.webp?v=1766277281</image:loc>
      <image:title>(1) Tested RCA U.S.N. CRC 6SJ7 Tube Date Code S5 RCA 6SJ7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-western-union-6sn7gtb-tube-o-getter-date-code-62-52-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_6c5d047f-cf43-4dd6-895e-1cec6b286b70.webp?v=1766277894</image:loc>
      <image:title>(1) Tested Balanced 1962 Western Union 6SN7GTB Tube O Getter Code 62-52 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-5y4g-tube-date-code-08-philco-engraved-base-5y4-g-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_b5c6a805-f204-4a4f-89f8-2fb98b4f0cee.webp?v=1766277996</image:loc>
      <image:title>(1) Tested Philco 5Y4G Tube Date Code 08 Philco Engraved Base 5Y4 G Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-type-27-tube-date-code-13r-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_bef67ec9-f110-4c47-9bee-5cfc433cddb3.webp?v=1766278123</image:loc>
      <image:title>(1) Tested Sylvania Type 27 Tube Date Code 13R Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-emerson-1g3gt-tube-date-code-64-07-dumont-emerson-1g3-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_7b392f97-2d8d-45bc-8831-dc55187eff74.webp?v=1766278321</image:loc>
      <image:title>(1) Tested Dumont Emerson 1G3GT Tube Date Code 64-07 Dumont Emerson 1G3 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-western-union-6sn7gtb-tube-horseshoe-getter-date-code-60-35-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_3588b7f1-c3e3-4b27-9022-84dfa5144510.webp?v=1766278387</image:loc>
      <image:title>(1) Tested 1960 Western Union 6SN7GTB Tube Horseshoe Getter Code 60-35 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-8-tested-vintage-no-194-a-amber-orange-12v-miniature-light-bulbs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_5daafd18-6259-4993-9378-4ca644cced2a.webp?v=1766278466</image:loc>
      <image:title>Lot of (8) Tested Vintage No. 194 A Amber Orange 12V Miniature Light Bulbs</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6as11-tube-date-code-jz-general-electric-6as11-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_f7703699-52d1-40b3-be20-97523bc75168.webp?v=1766278545</image:loc>
      <image:title>(1) Tested GE 6AS11 Tube Date Code JZ General Electric 6AS11 Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-cbs-6sn7gtb-tubes-black-angles-t-plates-horseshoe-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_97e32568-d9e4-466d-8221-8a377d25f9af.webp?v=1766278608</image:loc>
      <image:title>Tested Matched Pair CBS 6SN7GTB Tubes Black Angles T Plates Horseshoe 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6u7g-tube-red-tip-date-code-b8-pentode-6u7-g-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_eb6ade9d-e785-475f-95ed-e9e7de7ecfd4.webp?v=1766278688</image:loc>
      <image:title>(1) Tested Silvertone 6U7G Tube Red Tip Date Code B8 Pentode 6U7 G Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6sn7gtb-tube-black-plates-code-8r17-6sn7gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-50_1bc03faf-1758-4d82-a76e-af68402cea07.webp?v=1766278751</image:loc>
      <image:title>(1) Tested Westinghouse 6SN7GTB Tube Black Plates Code 8R17 6SN7GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-jan-2x2-879-tube-vt-119-date-code-gc-2x2-tube-879-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_be7b2234-6c16-4dc1-bc85-ce6e7bcc5b12.webp?v=1766278837</image:loc>
      <image:title>(1) Tested National Union JAN 2X2/879 Tube VT-119 Date Code GC 2X2 Tube 879 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6k5gt-tube-box-date-code-0-52-6k5-gt-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_2951eef0-5ed7-4feb-b15d-00426d0ca187.webp?v=1766278899</image:loc>
      <image:title>(1) Tested 1950 Sylvania 6K5GT Tube &amp; Box Code 0-52 6K5 GT High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12ax4gtb-tube-date-code-ce-efx-12ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_25b8f0fe-8fd6-45ff-aa51-39d98c1808cf.webp?v=1766278959</image:loc>
      <image:title>(1) Tested Sylvania 12AX4GTB Tube Date Code ce EFX 12AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-code-nd-staggered-black-ladder-plates-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_54a52bb2-6613-4b45-86f8-70afddb85f4c.webp?v=1766279015</image:loc>
      <image:title>(1) Tested 1963 RCA 6SN7GTB Tube Code ND Staggered Black Ladder Plates 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-5u4gb-tube-smooth-black-plates-halo-o-getter-code-65-48</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-73_9e8162a9-4b79-4039-8913-c89d94ff50ab.webp?v=1766279075</image:loc>
      <image:title>(1) Tested Strong Philco 5U4GB Tube Smooth Black Plates Halo O Getter Code 65-48</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-with-box-date-code-am-6w4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_22446ba2-4e26-4823-9820-2f20671a23a0.webp?v=1766279146</image:loc>
      <image:title>(1) Tested 1954 Sylvania 6W4GT Tube with Box Date Code AM 6W4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bq6gtb-6cu6-tube-date-code-nh-rca-6bq6-gtb-6cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_a9090304-c530-4807-b1d2-8ce67b159eff.webp?v=1766279212</image:loc>
      <image:title>(1) Tested RCA 6BQ6GTB/6CU6 Tube Date Code NH RCA 6BQ6 GTB 6CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7ag7-tube-with-box-date-code-07-loktal-tube-loctal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_a954bfb8-7bec-4081-9065-aeb84702037b.webp?v=1766279298</image:loc>
      <image:title>(1) Tested Philco 7AG7 Tube with Box Date Code 07 Loktal Tube Loctal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gta-tube-black-t-plates-chrome-dome-code-348-6sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_98a3683f-2533-4c71-97bb-1ecc5fa189c6.webp?v=1766279690</image:loc>
      <image:title>(1) Tested 1953 Sylvania 6SN7GTA Tube 3 Hole Black T Plates Code 348 6SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-arvin-12be6-tube-date-code-58-43-ge-eia-code-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-6_a23856ef-4484-415c-9938-ac84b008f47f.webp?v=1766279764</image:loc>
      <image:title>(1) Tested Arvin 12BE6 Tube Date Code 58-43 GE EIA Code Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-6n7-tube-date-code-213-medium-mu-twin-power-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-9_3f01f205-a0b2-4daf-abcd-1c25edf6b9e4.webp?v=1766279840</image:loc>
      <image:title>(1) Tested Delco 6N7 Tube Date Code 213 Medium Mu Twin Power Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-ge-6sn7gtb-tubes-glow-top-filament-o-getter-code-mf-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_e5be5634-03d7-48cd-a992-cee9d9525599.webp?v=1766279897</image:loc>
      <image:title>Matched Pair GE 6SN7GTB Tubes Glow Top Filament O Getter Code MF 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-50y6gt-tube-code-mcj-sylvania-50y6-gt-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_5031a15e-eaef-44da-9656-206b9f83a235.webp?v=1766280029</image:loc>
      <image:title>(1) Tested Balanced Sylvania 50Y6GT Tube Code MCJ Sylvania 50Y6 GT Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6ax4gtb-tube-with-box-date-code-70-52-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_699b9ea4-aa46-4ead-b6a4-d72135164445.webp?v=1766347813</image:loc>
      <image:title>(1) Tested Westinghouse 6AX4GTB Tube with Box Date Code 70-52 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-teltron-50a5-tube-with-box-date-code-55-30-loktal-tube-50a5-loctal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-5_e7efad29-6c54-41be-85f0-e1fd3a8eb7a2.webp?v=1766347921</image:loc>
      <image:title>(1) Tested Teltron 50A5 Tube with Box Date Code 55-30 Loktal Tube 50A5 Loctal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6dw4b-tube-date-code-cl-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_defa549b-b358-4166-8001-e23d314e7e52.webp?v=1766348023</image:loc>
      <image:title>(1) Tested Strong RCA 6DW4B Tube Date Code CL Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-5693-tube-special-red-tube-date-code-73-35-6sj7-equivalent</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_378270bd-d306-4edf-b1b2-a40e55411437.webp?v=1766348079</image:loc>
      <image:title>(1) Tested RCA JAN 5693 Tube Special Red Tube Date Code 73-35 6SJ7 Equivalent</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12k5-tube-date-code-58-52-power-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_1800bd1f-846d-4b3c-8607-ca7b68a47b40.webp?v=1766348238</image:loc>
      <image:title>(1) Tested GE 12K5 Tube Date Code 58-52 Power Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0d3-tube-date-code-58-43-rca-0d3-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_e210109d-48f1-4011-8e6b-8573c3e974c9.webp?v=1766348487</image:loc>
      <image:title>(1) Tested RCA 0D3 Tube Date Code 58-43 RCA 0D3 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6k6gt-tube-date-code-5333-sylvania-eia-code-philco-6k6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-35_eb484c6e-ae1b-4ca0-9f9c-7bf51e154d7b.webp?v=1766348602</image:loc>
      <image:title>(1) Tested Philco 6K6GT Tube Date Code 5333 Sylvania EIA Code Philco 6K6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-5u4gb-tube-black-ribbed-plates-halo-o-getter-date-code-60-13</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_858c815d-7429-4e69-92b0-ebb56ada3995.webp?v=1766348660</image:loc>
      <image:title>(1) Tested 1960 Philco 5U4GB Tube Black Ribbed Plates Halo O Getter Code 60-13</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-dumont-5am8-tube-date-code-67-28-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_a4e44f84-15e3-42a5-9093-35977dcfaba5.webp?v=1766348723</image:loc>
      <image:title>(1) Tested Strong Dumont 5AM8 Tube Date Code 67-28 Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1971-western-electric-407a-tube-date-code-7152-407-a-double-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_4e0cdb0a-ca38-46d4-9bd8-a2b1c6d77efc.webp?v=1766348780</image:loc>
      <image:title>(1) Tested 1971 Western Electric 407A Tube Date Code 7152 407 A Double Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-8ar11-tube-with-box-date-code-76-38-cutoff-twin-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_5dc9a002-d6f5-457e-8c80-39085333c827.webp?v=1766348841</image:loc>
      <image:title>(1) Tested Zenith 8AR11 Tube with Box Date Code 76-38 Cutoff Twin Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6cy7-tube-with-box-date-code-pw-e-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_52c5e903-c93e-4cfa-989d-cec4e36318d9.webp?v=1766348908</image:loc>
      <image:title>(1) Tested Tung Sol 6CY7 Tube with Box Date Code PW-E Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6au6-tube-date-code-4-43-general-electric-6au6-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_9f2ebc64-a39f-479c-a5a3-2467ad1dba25.webp?v=1766348971</image:loc>
      <image:title>(1) Tested GE 6AU6 Tube Date Code 4-43 General Electric 6AU6 Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cl3-tube-date-code-69-09-rca-6cl3-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_7332ee87-3b8b-4852-b585-8bfd55c0e1de.webp?v=1766349029</image:loc>
      <image:title>(1) Tested RCA 6CL3 Tube Date Code 69-09 RCA 6CL3 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-25eh5-tube-with-box-date-code-dk-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_c211af1c-4639-4d4e-b45d-a738e2e5d514.webp?v=1766349088</image:loc>
      <image:title>(1) Tested RCA 25EH5 Tube with Box Date Code DK Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-25z5-tube-with-box-code-2-26-rectifier-doubler-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_563ef397-c395-42cf-99b7-0d8a0d89391f.webp?v=1766349250</image:loc>
      <image:title>(1) Tested Balanced 1952 Sylvania 25Z5 Tube and Box Code 2-26 Rectifier (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-stromberg-carlson-6bg6g-tube-date-code-5035-6bg6-g-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_d329f0bb-3fc1-434d-a499-05e9b88a248b.webp?v=1766349342</image:loc>
      <image:title>(1) Tested Stromberg Carlson 6BG6G Tube Date Code 5035 6BG6 G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ax5gt-tube-date-code-5-30-rca-6ax5-gt-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_b3f56959-2891-4052-a25e-35def6eff218.webp?v=1766349396</image:loc>
      <image:title>(1) Tested RCA 6AX5GT Tube Date Code 5-30 RCA 6AX5 GT Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-10gf7-tube-with-box-date-code-ib-sylvania-10gf7-dual-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_30041025-4daa-4b5e-9532-7ca58b898eca.webp?v=1766349456</image:loc>
      <image:title>(1) Tested Sylvania 10GF7 Tube with Box Date Code ib Sylvania 10GF7 Dual Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6aw8a-tube-tung-sol-6aw8-a-high-mu-triode-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-95_e3bc62b6-1571-4119-b589-97121d13ede1.webp?v=1766349512</image:loc>
      <image:title>(1) Tested Tung-Sol 6AW8A Tube Tung Sol 6AW8 A High Mu Triode Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6em5-tube-beam-power-amplifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_6fe96440-628a-4158-9b8d-ca3e3ea88777.webp?v=1766349836</image:loc>
      <image:title>(1) Tested RCA 6EM5 Tube Beam Power Amplifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6sg7-tube-date-code-be-rca-6sg7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_3c67abe5-8f77-4bd3-ab0f-1bebcf57b296.webp?v=1766349891</image:loc>
      <image:title>(1) Tested Very Strong RCA 6SG7 Tube Date Code BE RCA 6SG7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-balanced-pair-ge-12au7a-ecc82-tubes-codes-hh-12au7-a-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-7_1de19c3b-1ba1-4c83-97a0-b1d161eb8801.webp?v=1766349945</image:loc>
      <image:title>Tested Matched &amp; Balanced Pair GE 12AU7A/ECC82 Tubes Codes HH 12AU7 A Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w4gt-tube-date-code-413-sylvania-green-logo-6w4-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_ede12e13-177e-47df-8609-53024efd4e55.webp?v=1766350044</image:loc>
      <image:title>(1) Tested 1954 Sylvania 6W4GT Tube Date Code 413 Sylvania Green Logo 6W4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6k6gt-tube-sylvania-date-code-312-54-21-philco-6k6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_8df60348-c510-43c7-97fc-37e982ecddaa.webp?v=1766350104</image:loc>
      <image:title>(1) Tested Philco 6K6GT Tube Sylvania Date Code 312 54-21 Philco 6K6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6v6gt-tube-tall-bottle-date-code-57-09-6v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_ea6313d7-7895-486c-8db0-8b3e33bf101b.webp?v=1766350163</image:loc>
      <image:title>(1) Tested Philco 6V6GT Tube Tall Bottle Date Code 57-09 6V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-1957-sperry-gyroscope-spe-716202-tube-spe-716202-tube-with-original-box</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_5b508c91-c48c-4182-a82b-65b11d85e299.webp?v=1766350246</image:loc>
      <image:title>Vintage 1957 Sperry Gyroscope SPE 716202 Tube SPE-716202 Tube with Original Box</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1974-western-electric-408a-tube-black-plates-o-halo-getter-code-7439</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-27_051dbeb7-355b-49b5-9576-257c9ef56454.webp?v=1766350314</image:loc>
      <image:title>(1) Tested 1974 Western Electric 408A Tube Black Plates O Halo Getter Code 7439</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-starlight-6au8a-tube-with-box-date-code-67-09-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_57b0001f-d5a7-4b08-9bd0-e8178d48de9f.webp?v=1766350479</image:loc>
      <image:title>(1) Tested Philco Starlight 6AU8A Tube with Box Date Code 67-09 Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-and-balanced-raytheon-5v4g-tube-date-code-604-5v4-g-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_cc5e6dad-7d45-4ed3-aae2-f2aba59400fd.webp?v=1766350610</image:loc>
      <image:title>(1) Tested Strong and Balanced Raytheon 5V4G Tube Date Code 604 5V4 G Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12ax4gt-tube-date-code-be-12ax4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_83de416b-673e-4223-9ec6-19e0c0a521ca.webp?v=1766350670</image:loc>
      <image:title>(1) Tested 1955 Sylvania 12AX4GT Tube Date Code BE 12AX4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-7056-tube-with-box-date-code-65-22-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_a79adc0a-2892-458d-b5ac-02fd5ffa8014.webp?v=1766350736</image:loc>
      <image:title>(1) Tested Motorola 7056 Tube with Box Date Code 65-22 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12sf5gt-tube-with-box-date-code-739-tung-sol-12sf5-gt-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_7016398b-63c3-4dbd-98e0-86676382b24a.webp?v=1766350795</image:loc>
      <image:title>(1) Tested 1957 Tung-Sol 12SF5GT Tube with Box Code 739 Tung Sol 12SF5 GT Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6sn7gtb-tubes-boxes-black-plates-codes-lm-57-22-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-69_4159f102-8c99-4962-aa5e-adbd0615e871.webp?v=1766350861</image:loc>
      <image:title>Tested Matched Pair RCA 6SN7GTB Tubes &amp; Boxes Black Plates Codes LM 57-22 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-6dw4b-tube-date-code-w04-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_aecdf4ca-118c-4eb4-a2f2-18bd4a8df23b.webp?v=1766350932</image:loc>
      <image:title>(1) Tested Strong Raytheon 6DW4B Tube Date Code W04 Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-25l6gt-tube-vt-201-c-date-code-k6e-25l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-80_115711ea-bd10-4da5-ace5-03321de66042.webp?v=1766350984</image:loc>
      <image:title>(1) Tested RCA JAN 25L6GT Tube VT-201-C Date Code K6E 25L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-522-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-84_07554b35-4f36-445a-ae39-c25fefa39d34.webp?v=1766351030</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code 522 RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-date-code-3-43-rca-6w4-gt-half-wave-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-88_97ff7413-2c17-4895-9842-a8065dd448c6.webp?v=1766351088</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube Date Code 3-43 RCA 6W4 GT Half Wave Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-genuine-parts-6k7-tube-date-code-eq-remote-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_da13938b-5425-4acd-a9e5-aa2f33ef47e0.webp?v=1766351138</image:loc>
      <image:title>(1) Tested GM Genuine Parts 6K7 Tube Date Code EQ Remote Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ew6-tube-date-code-548-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_239ade2b-6cf2-43c5-a896-2d4ba355f6d8.webp?v=1766351780</image:loc>
      <image:title>(1) Tested 1955 Sylvania 6EW6 Tube Date Code 548 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6l7-tube-date-code-62-52-mil-spec-rca-6l7-pentagrid-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_6b267c0e-5a1c-4aa1-83c4-ea02d8e3b29e.webp?v=1766351831</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6L7 Tube Date Code 62-52 Mil-Spec RCA 6L7 Pentagrid Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-12ax4gtb-tube-date-code-62-52-12ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_563ad121-7a99-4f48-8280-21a30e913a6d.webp?v=1766351962</image:loc>
      <image:title>(1) Tested Dumont 12AX4GTB Tube Date Code 62-52 12AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-dumont-12sl7gt-tube-black-plates-box-12sl7-gt-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_c76aec48-f7c6-40c2-945e-8a017d3a6ea1.webp?v=1766352019</image:loc>
      <image:title>(1) Tested Balanced Dumont 12SL7GT Tube Black Plates &amp; Box 12SL7 GT Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-35a5-tube-date-code-dd-35a5-loctal-power-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_d8ca1e9c-89a9-4711-be19-0faacbd42bf1.webp?v=1766352096</image:loc>
      <image:title>(1) Tested CBS 35A5 Tube Date Code DD 35A5 Loctal Power Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-35z4gt-tube-date-code-143-rca-35z4-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_d3b32dc7-ee14-4314-a40a-81e622dba666.webp?v=1766352213</image:loc>
      <image:title>(1) Tested RCA 35Z4GT Tube Date Code 143 RCA 35Z4 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-1b3gt-tube-date-code-60-35-general-electric-1b3-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_db2e58cc-8769-4820-b54c-7c2b2fe8ed57.webp?v=1766352266</image:loc>
      <image:title>(1) Tested GE 1B3GT Tube Date Code 60-35 General Electric 1B3 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1950-rca-6sq7-tube-with-box-metal-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_61a6c205-1c2a-44c9-92ee-3d09a86031db.webp?v=1766352328</image:loc>
      <image:title>(1) Tested 1950 RCA 6SQ7 Tube with Box Metal Twin Diode High-Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-17jz8-tube-with-box-date-code-dg-aor-triode-beam-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-41_407b0a47-781c-45a0-be4e-a937c2b18964.webp?v=1766352399</image:loc>
      <image:title>(1) Tested Sylvania 17JZ8 Tube with Box Date Code dg AOR Triode Beam Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-1943-rca-jan-crc-12sk7-tubes-codes-h5e-h6e-rca-vt-131-tubes-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_ba300b59-dee5-4512-b20d-62224eaeae57.webp?v=1766373778</image:loc>
      <image:title>Matched Pair 1943 RCA JAN CRC 12SK7 Tubes Codes H5E &amp; H6E RCA VT-131 Tubes (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-12ax4gtb-tube-date-code-59-52-ge-12ax4-gtb-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_9ee5acb2-f8be-48e7-ab4e-10d5e4d626c3.webp?v=1766373855</image:loc>
      <image:title>(1) Tested Strong GE 12AX4GTB Tube Date Code 59-52 GE 12AX4 GTB Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6w4gt-tube-canada-date-code-66-52-westinghouse-6w4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_e77090fc-c7b8-4a63-b665-c263fd96a843.webp?v=1766373925</image:loc>
      <image:title>(1) Tested Westinghouse 6W4GT Tube Canada Date Code 66-52 Westinghouse 6W4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-13-4-ballast-tube-current-regulating-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_e229ad87-9057-431f-867c-c67bbec1a352.webp?v=1766373990</image:loc>
      <image:title>(1) Tested Amperite 13-4 Ballast Tube Current Regulating Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-32et5a-tube-with-box-date-code-70-13-32et5-a-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-21_4fbd0af3-45d5-4556-82ad-bdb252eb91ca.webp?v=1766374048</image:loc>
      <image:title>(1) Tested Zenith 32ET5A Tube with Box Date Code 70-13 32ET5 A Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sa7-tube-with-box-date-code-mh3-pentagrid-converter-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_6ed4bb0e-2144-4f25-8192-d74e404178eb.webp?v=1766374111</image:loc>
      <image:title>(1) Tested Tung-Sol 6SA7 Tube with Box Date Code MH3 Pentagrid Converter (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6s8gt-tube-with-box-date-code-xyz-sylvania-6s8-gt-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_054db5f2-6650-4651-83d8-15249ef4a6bd.webp?v=1766374166</image:loc>
      <image:title>(1) Tested Sylvania 6S8GT Tube with Box Date Code XYZ Sylvania 6S8 GT Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-wells-gardner-6ax4gt-tube-date-code-5-44-wells-gardner-co-6ax4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-32_ac0e7cea-f256-4d40-985c-9cb0437ca094.webp?v=1766374245</image:loc>
      <image:title>(1) Tested Wells Gardner 6AX4GT Tube Date Code 5-44 Wells Gardner &amp; Co. 6AX4 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cb6a-tube-date-code-ki-bfu-pentode-sylvania-6cb6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-37_b086998a-21b7-413c-aaf4-9cbb72cc69d4.webp?v=1766374302</image:loc>
      <image:title>(1) Tested Sylvania 6CB6A Tube Date Code Ki BFU Pentode Sylvania 6CB6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gf7a-with-box-date-code-vwjy-rca-6gf-a-dual-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_f659d80e-b905-427d-84ce-61a72ceea4cb.webp?v=1766374362</image:loc>
      <image:title>(1) Tested RCA 6GF7A with Box Date Code VWJY RCA 6GF&amp; A Dual Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6au6-tube-date-code-8-13-rca-eia-6au6-sharp-cut-off-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_c8e653df-423f-452b-acfb-a71db69ad942.webp?v=1766374426</image:loc>
      <image:title>(1) Tested Admiral 6AU6 Tube Date Code 8-13 RCA EIA 6AU6 Sharp Cut Off Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ka8-tube-date-code-72-17-great-britain-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_801085c8-de04-4a19-9b36-1af46a80fe1a.webp?v=1766374486</image:loc>
      <image:title>(1) Tested Zenith 6KA8 Tube Date Code 72-17 Great Britain Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5610-tube-date-code-8-39-general-electric-5610-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-51_0c1ee441-cd9f-4ef3-ac8e-2dc7d501eacc.webp?v=1766374568</image:loc>
      <image:title>(1) Tested GE 5610 Tube Date Code 8-39 General Electric 5610 Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-48-dumont-5v6-gt-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-54_20f41c1d-1b14-4cdc-8f2b-dd6920a7384f.webp?v=1766374621</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-48 Dumont 5V6 GT Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-12k8y-tube-with-box-date-code-l3-triode-hexode-vt-132-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_3b1014b6-fcee-4a8d-922c-b756256924c6.webp?v=1766374697</image:loc>
      <image:title>(1) Tested Ken Rad 12K8Y Tube with Box Date Code L3 Triode Hexode VT-132 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6jt8-tube-with-box-date-code-lq-6jt8-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_7ddb8209-c642-4df7-91fb-5be511a112d7.webp?v=1766374756</image:loc>
      <image:title>(1) Tested Sylvania 6JT8 Tube with Box Date Code LQ 6JT8 Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-gl-5654-tube-date-code-2-17-general-electric-gl-5654-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_a09c52de-f443-42f8-9df4-aacf8f5796a1.webp?v=1766374856</image:loc>
      <image:title>(1) Tested GE GL-5654 Tube Date Code 2-17 General Electric GL 5654 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6eb8-tube-date-code-ju-6gn8-high-mu-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_1ef7ced6-fcc6-472b-adb7-b0c1b5b92a36.webp?v=1766375159</image:loc>
      <image:title>(1) Tested GE 6EB8 Tube Date Code JU 6GN8 High Mu Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7c5-tube-date-code-83-sylvania-7c5-loctal-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_09a9fcdd-dedf-4a48-aa37-631a76f97dc8.webp?v=1766375212</image:loc>
      <image:title>(1) Tested Sylvania 7C5 Tube Date Code 83 Sylvania 7C5 Loctal Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6jb6a-date-code-fo-6jb6-a-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_c6baf2f6-caf4-4e6b-9073-5cc1a9da444f.webp?v=1766375263</image:loc>
      <image:title>(1) Tested Strong RCA 6JB6A Date Code FO 6JB6 A Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-hytron-12sa7gt-tube-date-code-9-39-12sa7-gt-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_e6c2739f-c729-42e3-9a01-ade488fa6735.webp?v=1766375326</image:loc>
      <image:title>(1) Tested Strong Hytron 12SA7GT Tube Date Code 9-39 12SA7 GT Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-bugle-boy-6jx8-ech84-tube-holland-date-code-6a2-6jx8-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_e8a6e924-6a30-4b0f-b326-c7aaec03bbb1.webp?v=1766375389</image:loc>
      <image:title>(1) Tested Amperex Bugle Boy 6JX8 ECH84 Tube Holland Date Code ◢6A2 6JX8 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-amperex-6cw5-el86-tube-bugle-boy-6cw5-pentode-tube-el86-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-20_cce47d3a-9088-445a-bb6c-b96d8c4f27e4.webp?v=1766375494</image:loc>
      <image:title>(1) Tested Strong Amperex 6CW5/EL86 Tube Bugle Boy 6CW5 Pentode Tube EL86 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cq4-tube-date-code-cw-vintage-rca-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-23_ab939615-0faa-4265-9bc0-7af4761a5c83.webp?v=1766375563</image:loc>
      <image:title>(1) Tested RCA 6CQ4 Tube Date Code CW Vintage RCA Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1950-western-electric-jw-6ak5-tube-code-013-black-plates-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_3bd96808-ea8f-467c-9557-14255a1e9cf3.webp?v=1766375619</image:loc>
      <image:title>(1) Tested 1950 Western Electric JW 6AK5 Tube Code 013 Black Plates Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bh6-tube-date-code-bp-rca-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_06e61437-3738-43c5-a7a2-9f5ca8c5f72b.webp?v=1766375681</image:loc>
      <image:title>(1) Tested RCA 6BH6 Tube Date Code BP RCA Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aw8-tube-with-box-date-code-bkp-6aw8-high-mu-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_35453909-5cdd-48bb-a13e-b970f9d938b2.webp?v=1766375758</image:loc>
      <image:title>(1) Tested RCA 6AW8 Tube with Box Date Code BKP 6AW8 High Mu Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5r4gyb-tube-date-code-cw-general-electric-5r4-gyb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-40_576efa1a-058c-44c8-8e75-195bf8321f4c.webp?v=1766375807</image:loc>
      <image:title>(1) Tested GE 5R4GYB Tube Date Code CW General Electric 5R4 GYB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt6a-tube-date-code-ck-rca-6dt6-a-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-44_12f72a87-1cd5-475f-bae6-f367c68922f0.webp?v=1766375869</image:loc>
      <image:title>(1) Tested RCA 6DT6A Tube Date Code CK RCA 6DT6 A Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-mullard-blackburn-pcl82-16a8-tube-with-box-date-code-b1k1-triode-beam</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-47_14db1698-1522-4b1d-b1dd-220a33972f0a.webp?v=1766375939</image:loc>
      <image:title>(1) Tested Mullard Blackburn PCL82/16A8 Tube with Box Date Code B1K1 Triode Beam</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ten-kobe-kogyo-japan-50eh5-tube-date-code-k-t1-3-vintage-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-55_487e3294-dff8-4f10-a422-235e4ef90b16.webp?v=1766376029</image:loc>
      <image:title>(1) Tested Ten Kobe Kogyo Japan 50EH5 Tube Date Code K T1-3 Vintage Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-3at2a-tube-made-in-japan-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_9ed3288f-45ff-470b-aff1-39ed7f97d9ca.webp?v=1766376445</image:loc>
      <image:title>(1) Tested Lindal 3AT2A Tube Made in Japan Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-guaranteed-brand-12sa7-tube-date-code-12-54-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-61_714b8429-db69-4a9e-881b-014337506719.webp?v=1766376506</image:loc>
      <image:title>(1) Tested Balanced Guaranteed Brand 12SA7 Tube Date Code 12-54 Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-tung-sol-6av5ga-tube-date-616-3-tung-sol-6av5-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_358fff02-ecfc-4aa1-98a6-3fbe85c2ae9a.webp?v=1766376562</image:loc>
      <image:title>(1) Tested Strong 1956 Tung-Sol 6AV5GA Tube Date 616-3 Tung Sol 6AV5 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12sl7gt-tube-black-plates-dd-cleaver-brooks-12sl7-gt-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-67_81ae7548-11fb-451c-9724-ae9e84e3ef4c.webp?v=1766376652</image:loc>
      <image:title>(1) Tested Balanced RCA 12SL7GT Tube Black Plates DD Cleaver Brooks 12SL7 GT (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6d6-tube-code-nu-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_bd7a480e-85f0-4293-bd9a-68efed59c245.webp?v=1766376712</image:loc>
      <image:title>(1) Tested National Union 6D6 Tube Code NU Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-mil-spec-rca-jan-crc-12a6-tube-date-code-h6e-rca-vt-134-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_7fbe6dc6-1873-49eb-95da-382e95894870.webp?v=1766376774</image:loc>
      <image:title>(1) Tested 1944 Mil Spec RCA JAN CRC 12A6 Tube Date Code H6E RCA VT 134 Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6d6-tube-date-code-56x-engraved-base-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-83_afae5c77-b6ca-4ac2-8a25-a435cfce1dd8.webp?v=1766376834</image:loc>
      <image:title>(1) Tested Silvertone 6D6 Tube Date Code 56X Engraved Base Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12av7-tube-date-code-55-48-black-plates-round-halo-getter-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_57048056-8b0f-4204-9e1b-f29c08347c2a.webp?v=1766376897</image:loc>
      <image:title>(1) Tested GE 12AV7 Tube Date Code 55-48 Black Plates Round Halo Getter Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-ckr-12a6-tube-vt-134-date-code-y4-rca-12a6-tube-jan-ckr-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-91_c90acf3d-60c9-4800-8931-b922e237ca43.webp?v=1766377096</image:loc>
      <image:title>(1) Tested RCA JAN CKR 12A6 Tube VT-134 Date Code Y4 RCA 12A6 Tube JAN CKR Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-hytron-6bg6g-tube-date-code-5430-hytron-6bg6-g-tube-coke-bottle</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_30011508-dbe6-483a-a959-f8c712de820c.webp?v=1766377155</image:loc>
      <image:title>(1) Tested CBS Hytron 6BG6G Tube Date Code 5430 Hytron 6BG6 G Tube Coke Bottle</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sears-8jv8-tube-japan-date-code-6k-high-mu-triode-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_4a820e4d-106a-4caf-a4bc-188e5fa9ba4d.webp?v=1766377714</image:loc>
      <image:title>(1) Tested Sears 8JV8 Tube Japan Date Code 6K High Mu Triode Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bd6-tube-with-box-date-code-9-22-general-electric-12bd6-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-4_c1f275df-5ffe-4ae8-b362-4c12dfbf0bf3.webp?v=1766377785</image:loc>
      <image:title>(1) Tested GE 12BD6 Tube with Box Date Code 9-22 General Electric 12BD6 Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-22ju6-tube-date-code-67-09-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_750e4367-6e1b-4afd-a108-8b1d524b7e1d.webp?v=1766377845</image:loc>
      <image:title>(1) Tested Strong RCA 22JU6 Tube Date Code 67-09 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-1-radio-tube-socket-adapter-1r5-tube-to-1a7-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-12_1087d8ec-ee6f-4034-88b5-b1825a559a37.webp?v=1766377898</image:loc>
      <image:title>Vintage Adaptol No. 1 Radio Tube Socket Adapter 1R5 Tube to 1A7 Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hallicrafters-6aw8a-tube-date-code-69-48-hallicrafters-6aw8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-15_442b69ea-1614-4a36-8043-707547be0040.webp?v=1766378029</image:loc>
      <image:title>(1) Tested Hallicrafters 6AW8A Tube Date Code 69-48 Hallicrafters 6AW8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-tung-sol-1x2b-tube-date-code-6544-3-tung-sol-1x2-b-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-19_0263c686-9cf5-4e81-ab15-9826db959872.webp?v=1766378079</image:loc>
      <image:title>(1) Tested Very Strong 1965 Tung-Sol 1X2B Tube Code 6544-3 Tung Sol 1X2 B Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au6-tube-sylvania-sharp-cut-off-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_39cc0c7a-b831-40d3-ace3-fc536f8bdc23.webp?v=1766378127</image:loc>
      <image:title>(1) Tested Sylvania 6AU6 Tube Sylvania Sharp Cut Off Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cg7-tube-with-box-red-letters-date-code-63-13-6cg7-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-25_bfa64c9e-d647-4787-ab3a-e88a324bc79a.webp?v=1766378186</image:loc>
      <image:title>(1) Tested GE 6CG7 Tube with Box Red Letters Date Code 63-13 6CG7 Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8fq7-8cg7-tube-date-code-68-13-rca-8fq7-tube-rca-8cg7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-30_97fffe70-1c31-472a-8f90-c25fbe71b4f9.webp?v=1766378262</image:loc>
      <image:title>(1) Tested RCA 8FQ7/8CG7 Tube Date Code 68-13 RCA 8FQ7 Tube RCA 8CG7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-25z6gt-tube-date-code-0-48-ge-eia-25z6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_b9ba205d-2969-4782-b110-f3734d3e6607.webp?v=1766378316</image:loc>
      <image:title>(1) Tested Ken Rad 25Z6GT Tube Date Code 0-48 GE EIA 25Z6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-50a5-tube-loktal-tube-sylvania-50a5-loctal-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_259d86cd-aef1-457a-8596-c8892ed303ae.webp?v=1766378374</image:loc>
      <image:title>(1) Tested Sylvania 50A5 Tube Loktal Tube Sylvania 50A5 Loctal Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sa7-tube-with-box-date-code-mh3-pentagrid-converter-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_d39712da-c660-46a6-aacd-24db147b8aee.webp?v=1766378430</image:loc>
      <image:title>(1) Tested Tung-Sol 6SA7 Tube with Box Date Code MH3 Pentagrid Converter (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-telefunken-dl94-tube-3v4-audio-output-pentode-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-45_7f8263e5-b222-4551-bb60-1b105336b51d.webp?v=1766378481</image:loc>
      <image:title>(1) Tested Telefunken DL94 Tube (3V4) Audio Output Pentode Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6jh6-tube-date-code-72-22-rca-eia-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-59_d1bb49d6-9f14-42bf-bd8b-5c7c64c7047d.webp?v=1766378644</image:loc>
      <image:title>(1) Tested Magnavox 6JH6 Tube Date Code 72-22 RCA EIA Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-5v6gt-tube-date-code-66-48-dumont-5v6-gt-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-62_0dae52f8-159f-43b2-b4d8-8048dfdba24b.webp?v=1766378716</image:loc>
      <image:title>(1) Tested Dumont 5V6GT Tube Date Code 66-48 Dumont 5V6 GT Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bj6-tube-with-box-date-code-243-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-65_2673cbb8-f223-408f-9d64-f46819224887.webp?v=1766378783</image:loc>
      <image:title>(1) Tested RCA 6BJ6 Tube with Box Date Code 243 Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bk5-tube-with-box-date-code-cl-rca-6bk5-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_9b9b50bb-2ba9-45b3-9bb1-c39dc85d2fae.webp?v=1766378837</image:loc>
      <image:title>(1) Tested RCA 6BK5 Tube with Box Date Code CL RCA 6BK5 Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-15cw5-pl84-tube-with-box-canada-code-en-15cw5-tube-pl84-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-71_35ca8237-e203-4b5c-8a2e-6348337ed8b5.webp?v=1766378912</image:loc>
      <image:title>(1) Tested RCA 15CW5/PL84 Tube with Box Canada Code EN 15CW5 Tube Pl84 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1964-telefunken-el95-tube-6dl5-date-code-b3104300-power-output-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-78_97431772-d1df-4567-ab58-40455d89c9f5.webp?v=1766378987</image:loc>
      <image:title>(1) Tested 1964 Telefunken EL95 Tube (6DL5) Date Code B3104300 Power Output Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-valvo-ebc41-tube-6cv7-rimlock-base-code-378-double-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_855830d5-5469-4429-90f0-6405ba5cccda.webp?v=1766379065</image:loc>
      <image:title>(1) Tested Valvo EBC41 Tube (6CV7) Rimlock Base Code 378 Double Diode Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au6-tube-date-code-cj-sylvania-6au6-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-87_8927d0d9-1a5f-454a-b74a-99d3af3aa801.webp?v=1766379169</image:loc>
      <image:title>(1) Tested Sylvania 6AU6 Tube Date Code CJ Sylvania 6AU6 Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6aq5a-6hg5-tube-with-box-date-code-gy-6aq5-a-tube-6hg5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-90_f3c683cf-7820-4b5c-9401-90976692b57b.webp?v=1766379223</image:loc>
      <image:title>(1) Tested GE 6AQ5A/6HG5 Tube with Box Date Code GY 6AQ5 A Tube 6HG5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-untested-rca-927-gas-response-phototube-with-s-1-response-date-code-73-52</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_7b992198-ff5c-4015-8c68-f4eb8b5e466d.webp?v=1766379301</image:loc>
      <image:title>(1) Untested RCA 927 Gas Response Phototube with S-1 Response Date Code 73-52</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-5am8-tube-date-code-61-39-general-electric-5am8-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_eb4c15e5-cbd4-4262-9df5-58c508d29698.webp?v=1766379585</image:loc>
      <image:title>(1) Tested GE 5AM8 Tube Date Code 61-39 General Electric 5AM8 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ba11-tube-with-box-date-code-fa7-general-electric-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-3_e32a8e5a-8de3-41f6-95ff-b3ca4586f85c.webp?v=1766379657</image:loc>
      <image:title>(1) Tested GE 6BA11 Tube with Box Date Code FA7 General Electric Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-magnavox-6ay3-tube-date-code-64-52-half-wave-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-8_44ecd1dc-a21a-4a71-ba15-0d3ebad64284.webp?v=1766379719</image:loc>
      <image:title>(1) Tested Magnavox 6AY3 Tube Date Code 64-52 Half Wave Vacuum Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-12j5gt-tube-vt-135-tube-sc966a-12j5-gt-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-11_252d19fd-53b3-4b2a-aeea-033fa1a56a0d.webp?v=1766379785</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 12J5GT Tube VT-135 Tube SC966A 12J5 GT Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-deforest-802-tube-engraved-base-type-802-tube-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-18_3815de70-0e1a-4d96-8ac6-2eb375d88732.webp?v=1766379847</image:loc>
      <image:title>(1) Tested RCA DeForest 802 Tube Engraved Base Type 802 Tube Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dt5-tube-with-box-date-code-dv-canada-rca-beam-power-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-22_cf4ac4f9-56ff-46e0-bbbc-b4614e1559ea.webp?v=1766379913</image:loc>
      <image:title>(1) Tested RCA 6DT5 Tube with Box Date Code DV Canada RCA Beam Power Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6bc5-tube-date-code-312-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-26_28494798-44ff-4959-9032-3247c2fbec5c.webp?v=1766379994</image:loc>
      <image:title>(1) Tested Silvertone 6BC5 Tube Date Code 312 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dq6b-6gw6-tube-date-code-bo-6gw6-tube-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-29_d48e30c9-13ae-4aa7-8ced-ff8fffc0fb36.webp?v=1766380158</image:loc>
      <image:title>(1) Tested GE 6DQ6B/6GW6 Tube Date Code BO 6GW6 Tube 6DQ6 B Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5u4gb-tube-black-ribbed-plates-halo-getter-code-hm-add</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-33_b13966c3-d07b-422a-b445-a50b701a26f0.webp?v=1766380208</image:loc>
      <image:title>(1) Tested Sylvania 5U4GB Tube Black Ribbed Plates Halo Getter Code hm ADD</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6au6a-tube-date-code-58-13-general-electric-6au6-a-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-36_5dce093c-1c31-49c8-85cb-09adbc07abd1.webp?v=1766380267</image:loc>
      <image:title>(1) Tested GE 6AU6A Tube Date Code 58-13 General Electric 6AU6 A Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-bendix-5u4g-tube-date-code-4-43-5u4-g-shouldered-full-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-39_edde4621-4250-419d-a0c5-056ddb8283fd.webp?v=1766380323</image:loc>
      <image:title>(1) Tested Bendix 5U4G Tube Date Code 4-43 5U4 G Shouldered Full Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-12dt5-tube-date-code-s14-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-43_659f1669-5139-4533-8f63-34d6ffc53e84.webp?v=1766380387</image:loc>
      <image:title>(1) Tested Strong Raytheon 12DT5 Tube Date Code S14 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cunningham-50y6gt-tube-date-code-822-50y6-gt-rectifier-doubler-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-46_39c81106-93e9-4540-814f-7d4c5aae10e8.webp?v=1766380437</image:loc>
      <image:title>(1) Tested Cunningham 50Y6GT Tube Date Code 822 50Y6 GT Rectifier Doubler Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6bc5-tube-date-code-533-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_439ba800-599c-47e0-8bf8-2f7f452e10e4.webp?v=1766380499</image:loc>
      <image:title>(1) Tested National Union 6BC5 Tube Date Code 533 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ba8a-tube-date-code-61-04-medium-mu-triode-cutoff-pentode-6ba8-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-53_2f112621-3930-459c-a2d9-e39c585ecdc1.webp?v=1766380554</image:loc>
      <image:title>(1) Tested GE 6BA8A Tube Date Code 61-04 Medium Mu Triode Cutoff Pentode 6BA8 A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cunningham-tube-type-24a-tube-code-e4-engrave-base-globe-balloon-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-58_15e63d0c-0fc6-400f-a06c-9b26a14aa8af.webp?v=1766380609</image:loc>
      <image:title>(1) Tested Cunningham Tube Type 24A Tube Code E4 Engrave Base Globe Balloon Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-3au6-tube-date-code-63-07-3au6-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-63_3db46e93-983b-4089-8380-4f6be6ceeac3.webp?v=1766380666</image:loc>
      <image:title>(1) Tested Dumont 3AU6 Tube Date Code 63-07 3AU6 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax4gtb-tube-date-code-lw-general-electric-6ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-66_295cf014-e2c7-47e5-9e40-e5f1f75e5972.webp?v=1766380730</image:loc>
      <image:title>(1) Tested GE 6AX4GTB Tube Date Code LW General Electric 6AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ab5-tube-date-code-aj-rca-12ab5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-74_91a269e6-92fd-41e9-99cc-c7a9c6a84cb8.webp?v=1766380899</image:loc>
      <image:title>(1) Tested RCA 12AB5 Tube Date Code AJ RCA 12AB5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12ax7-tube-date-code-59-48-gray-plates-horseshoe-getter-12ax7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-77_c1d31948-6ced-48bc-98a3-ea830ddf0ed0.webp?v=1766380960</image:loc>
      <image:title>(1) Tested GE 12AX7 Tube Date Code 59-48 Gray Plates Horseshoe Getter 12AX7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6at8-tube-with-box-date-code-60-43-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-82_fc4f9212-b286-4181-b9e8-06449003bd21.webp?v=1766381027</image:loc>
      <image:title>(1) Tested GE 6AT8 Tube with Box Date Code 60-43 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-7b5e-tube-date-code-04-philco-7b5e-loktal-loctal-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-86_a9e16982-ff58-4dfe-bd33-c929054202be.webp?v=1766381081</image:loc>
      <image:title>(1) Tested Philco 7B5E Tube Date Code 04 Philco 7B5E Loktal Loctal Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-12sn7gta-tube-glow-top-filament-date-code-rf-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/2A52C753-333B-4BD7-AFC1-FEDF6B16FA4B.jpg?v=1775555460</image:loc>
      <image:title>(1) Tested Balanced GE 12SN7GTA Tube Glow Top Filament Date Code RF 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6bc5-tube-date-code-5311-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-94_f3027ebe-670d-4670-aa0e-cc13082638f9.webp?v=1766381211</image:loc>
      <image:title>(1) Tested Philco 6BC5 Tube Date Code 5311 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1952-sylvania-jan-chs-6sl7gt-tube-box-code-243-gray-plates-6sl7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_87033214-b4fa-4197-94a0-53e07cfe631b.webp?v=1766381738</image:loc>
      <image:title>(1) Tested 1952 Sylvania JAN CHS 6SL7GT Tube &amp; Box Code 243 Gray Plates 6SL7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3au6-tube-date-code-bb-with-original-box-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-10_702a5115-16ad-447f-8779-e20255f3fddc.webp?v=1766381826</image:loc>
      <image:title>(1) Tested RCA 3AU6 Tube Date Code BB with Original Box Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-fordom-6c6-tube-date-code-29-mr-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-13_80ea3c25-1fd8-4e39-a7b6-70ecb90c3f41.webp?v=1766381889</image:loc>
      <image:title>(1) Tested Fordom 6C6 Tube Date Code 29 MR Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-adaptol-no-131-tube-socket-adapter-convert-12sk7-tube-to-12sa7-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-17_c2bff1c4-e02e-44cd-b227-898ec59fa52c.webp?v=1766381941</image:loc>
      <image:title>Vintage Adaptol No. 131 Tube Socket Adapter Convert 12SK7 Tube to 12SA7 Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-fomoco-6x5gt-tube-ford-motor-company-6x5-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-24_981b11f9-867c-4a2e-891d-03ed3c8efcad.webp?v=1766382049</image:loc>
      <image:title>(1) Tested Balanced FoMoCo 6X5GT Tube Ford Motor Company 6X5 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-1j3-tube-date-code-mp-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-28_a810a31d-8c1e-4a37-8db9-b462877a6c9a.webp?v=1766382110</image:loc>
      <image:title>(1) Tested Very Strong RCA 1J3 Tube Date Code MP Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-25l6gt-tube-date-code-8-30-raytheon-25l6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-31_e7575cf7-2aa0-4523-bfd8-5a855e92ce65.webp?v=1766382163</image:loc>
      <image:title>(1) Tested Raytheon 25L6GT Tube Date Code 8-30 Raytheon 25L6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-victor-6bg6g-tube-date-code-948-rca-6bg6-g-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-34_8a175f66-448e-4155-8307-e24b4161ba60.webp?v=1766382216</image:loc>
      <image:title>(1) Tested 1949 RCA Victor 6BG6G Tube Date Code 948 RCA 6BG6 G Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-jan-crc-12a6-tube-date-code-2-43-rca-12a6-tube-mil-spec</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-38_a39b0b1a-702b-423e-8081-9e0589226852.webp?v=1766382277</image:loc>
      <image:title>(1) Tested Strong RCA JAN CRC 12A6 Tube Date Code 2-43 RCA 12A6 Tube Mil Spec</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-7b6-tube-rf-general-electric-pentode-loctal-loktal-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-42_e525fffc-1e72-4b83-a446-9e6f0da1c59e.webp?v=1766382332</image:loc>
      <image:title>(1) Tested GE 7B6 Tube RF General Electric Pentode Loctal Loktal Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dc6-tube-with-original-box-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-49_965ae851-df7a-4732-a07c-c64f00b9b348.webp?v=1766382479</image:loc>
      <image:title>(1) Tested RCA 6DC6 Tube with Original Box Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-cunningham-type-55-tube-date-code-f2-engraved-base-rca-55-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-52_09bc317d-d165-4a3e-b718-306b60efb0e6.webp?v=1766382533</image:loc>
      <image:title>(1) Tested RCA Cunningham Type 55 Tube Date Code F2 Engraved Base RCA 55 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gf7a-tube-with-box-date-code-71-39-rca-6gf7-a-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-56_8d34d9e1-e388-45c9-8183-d28f0cdaa728.webp?v=1766382588</image:loc>
      <image:title>(1) Tested RCA 6GF7A Tube with Box Date Code 71-39 RCA 6GF7 A Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-hallicrafters-5v4ga-tube-date-code-726-5v4g-5v4-ga</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-60_0b5a07dd-5a82-446a-99fe-f78ea2325d2a.webp?v=1766382648</image:loc>
      <image:title>(1) Tested Balanced Hallicrafters 5V4GA Tube Date Code 726 5V4G 5V4 GA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6ge5-tube-date-code-aef-vintage-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-64_e3154bb0-1e1e-412e-8052-6452d0b04408.webp?v=1766382715</image:loc>
      <image:title>(1) Tested Strong RCA 6GE5 Tube Date Code AEF Vintage Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6aq5a-tube-date-code-n-13-917-philco-6aq5-a-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-68_cc41339c-1914-46d1-b186-42b16efb3008.webp?v=1766382771</image:loc>
      <image:title>(1) Tested Philco 6AQ5A Tube Date Code N-13 917 Philco 6AQ5 A Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-12w6gt-tube-date-code-ma3-tung-sol-12w6-gt-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-72_f92fe543-a3a4-4eaf-9279-46b904bcce9b.webp?v=1766382829</image:loc>
      <image:title>(1) Tested Tung-Sol 12W6GT Tube Date Code MA3 Tung Sol 12W6 GT Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-6sl7gt-tube-black-plates-meatball-logo-code-h6e-6sl7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600-76_273f4910-05e9-432e-bab8-aa17c7153083.webp?v=1766382900</image:loc>
      <image:title>(1) Tested Balanced RCA 6SL7GT Tube Black Plates Meatball Logo Code H6E 6SL7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12ax4gtb-tube-with-box-date-code-67-09-canada-12ax4-gtb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_7efa8e03-0002-420a-a223-6ec292a1de82.webp?v=1766713045</image:loc>
      <image:title>(1) Tested Westinghouse 12AX4GTB Tube with Box Date Code 67-09 Canada 12AX4 GTB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/vintage-rca-yoke-deflection-107022-a-electromagnetic-assembly-for-cathode-crt-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6845.jpg?v=1768601393</image:loc>
      <image:title>Vintage RCA Yoke Deflection 107022-A Electromagnetic Assembly For Cathode CRT Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-taylor-866-jr-tube-half-wave-vapor-rectifier-tube-with-original-box-and-paperwork</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6896.jpg?v=1768602200</image:loc>
      <image:title>(1) Tested Taylor 866 JR Tube Half Wave Vapor Rectifier Tube with Original Box and Paperwork</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-nos-allied-control-relay-mhy-12d-with-original-box-26-5-volts-200-ohms-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6853.jpg?v=1768603503</image:loc>
      <image:title>(1) NOS Allied Control Relay MHY-12D with Original Box 26.5 Volts 200 Ohms (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-display-only-1916-telefunken-rohre-evn171-tube-ww1-germany-amplifier-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7144.jpg?v=1768611398</image:loc>
      <image:title>(1) Display Only 1916 Telefunken Röhre EVN171 Tube WW1 Germany Amplifier Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bq6gtb-tube-date-code-cv-6bq6-gtb-general-electric-6bq6-gtb-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/s-l1600_beb5080a-4b7d-414a-b97e-3d9910220ffe.webp?v=1768699994</image:loc>
      <image:title>(1) Tested GE 6BQ6GTB Tube Date Code CV 6BQ6 GTB General Electric 6BQ6 GTB Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-nos-clarostat-58c2-3k-3k-ohm-4-watt-wirewound-variable-linear-potentiometer-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6862.jpg?v=1768758152</image:loc>
      <image:title>(1) NOS Clarostat 58C2-3K 3K Ohm 4 Watt Wirewound Variable Linear Potentiometer (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-valvo-ef94-tube-6au6-holland-with-box-code-wd5-l8e-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6918.jpg?v=1768760173</image:loc>
      <image:title>(1) Tested Valvo EF94 Tube (6AU6) Holland with Box Code Wd5 L8E Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-nos-allied-control-relay-mhy-12d-with-original-box-26-5-volts-200-ohms-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6857.jpg?v=1768760541</image:loc>
      <image:title>(1) NOS Allied Control Relay MHY-12D with Original Box 26.5 Volts 200 Ohms (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6sn7gtb-tube-japan-tall-bottle-wide-gray-plates-code-q48-6sn7-gtb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6925.jpg?v=1768761744</image:loc>
      <image:title>(1) Tested Raytheon 6SN7GTB Tube Japan Tall Bottle Wide Gray Plates Code Q48 6SN7 GTB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philips-miniwatt-ef94-tube-6au6-holland-with-box-code-l7j-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6931.jpg?v=1768762090</image:loc>
      <image:title>(1) Tested Philips Miniwatt EF94 Tube (6AU6) Holland with Box Code L7J Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-firestone-air-chief-6v6g-tube-black-glass-with-foil-getter-by-ken-rad-code-toa</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7109.jpg?v=1768763156</image:loc>
      <image:title>(1) Tested Firestone Air Chief 6V6G Tube Black Glass with Foil Getter by Ken Rad Code TOA</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-6sn7gt-tube-black-plates-foil-getter-date-code-226-6sn7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6938.jpg?v=1768764661</image:loc>
      <image:title>(1) Tested Admiral 6SN7GT Tube Black Plates Foil Getter Date Code 226 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-12ax7-tube-wide-black-plates-date-code-57-52-12ax7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7080_b40885ec-14b6-4d3f-86a0-5fa287ee2cc1.jpg?v=1768766660</image:loc>
      <image:title>(1) Tested Admiral 12AX7 Tube Wide Black Plates Date Code 57-52 12AX7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6u6gt-tube-smoked-glass-date-code-sr2-beam-power-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7084.jpg?v=1768766928</image:loc>
      <image:title>(1) Tested Ken Rad 6U6GT Tube Smoked Glass Date Code SR2 Beam Power Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6-x-4-tube-with-box-sylvania-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7074.jpg?v=1768767390</image:loc>
      <image:title>(1) Tested Sylvania 6X4 Tube with Box Sylvania Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-nos-clarostat-58c2-3k-ohm-4-watt-wirewound-variable-linear-potentiometer-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6871.jpg?v=1768768040</image:loc>
      <image:title>(1) NOS Clarostat 58C2 3K Ohm 4 Watt Wirewound Variable Linear Potentiometer (b)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-mullard-ef94-6au6-tube-etched-code-wd1-great-britain-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6947.jpg?v=1768769367</image:loc>
      <image:title>(1) Tested Mullard EF94 6AU6 Tube Etched Code Wd1 Great Britain Pentode Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-12ax7-tube-date-code-60-30-gray-plates-horseshoe-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6952.jpg?v=1768769736</image:loc>
      <image:title>(1) Tested Balanced GE 12AX7 Tube Date Code 60-30 Gray Plates Horseshoe Getter</image:title>
      <image:caption></image:caption>
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    <loc>https://classiccurrents.com/products/1-tested-valvo-ef94-tube-6au6-holland-with-box-code-wd5-l8e-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6956.jpg?v=1768775195</image:loc>
      <image:title>(1) Tested Valvo EF94 Tube (6AU6) Holland with Box Code Wd5 L8E Pentode Tube (b)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-5v4g-tube-black-plates-full-wave-rectifier-rca-5v4-g</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6971.jpg?v=1768775918</image:loc>
      <image:title>(1) Tested Strong RCA 5V4G Tube Black Plates Full Wave Rectifier RCA 5V4 G</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-12av6-tube-code-61-53-12av6-twin-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6976.jpg?v=1768853853</image:loc>
      <image:title>(1) Tested Westinghouse 12AV6 Tube Code 61-53 12AV6 Twin Diode High Mu Triode</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7c5-tube-date-code-926-sylvania-7c5-loctal-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6980.jpg?v=1768854087</image:loc>
      <image:title>(1) Tested 1959 Sylvania 7C5 Tube Code 926 Sylvania 7C5 Loctal Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-amperex-bugle-boy-ef86-6267-tube-with-box-code-8y-x7c-holland</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6986.jpg?v=1768854438</image:loc>
      <image:title>(1) Tested Strong Amperex Bugle Boy EF86 6267 Tube with Box Code 8Y X7C Holland</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k7-tube-with-box-date-code-xx-red-letters-general-electric</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_6994.jpg?v=1768855522</image:loc>
      <image:title>(1) Tested GE 6K7 Tube with Box Date Code XX Red Letters General Electric</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12by7a-tube-date-code-ce-dhp-sharp-cutoff-pentode-12by7-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7001.jpg?v=1768855851</image:loc>
      <image:title>(1) Tested Sylvania 12BY7A Tube Date Code ce DHP Sharp Cutoff Pentode 12BY7 A</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12sn7gt-tube-staggered-black-plates-4-25-12sn7-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7005.jpg?v=1768856614</image:loc>
      <image:title>(1) Tested Balanced RCA 12SN7GT Tube Staggered Black Plates 4-25 12SN7 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-0g3-85a2-tube-voltage-regulator-date-code-mb2-57h-holland-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7010.jpg?v=1768856717</image:loc>
      <image:title>(1) Tested Amperex 0G3/85A2 Tube Voltage Regulator Date Code mB2 57H Holland (a)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-7ad7-tube-with-box-code-5113-power-pentode-loktal-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7014.jpg?v=1768858798</image:loc>
      <image:title>(1) Tested National Union 7AD7 Tube with Box Code 5113 Power Pentode Loktal (a)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-gm-delco-6u7g-tube-date-code-i7-engraved-base-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7024_aa8b9ba9-a0d8-48a8-80e4-1bb4d173da19.jpg?v=1768859347</image:loc>
      <image:title>(1) Tested GM (Delco) 6U7G Tube Date Code I7 Engraved Base Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bq7a-6bz7-tube-with-box-code-ai-aab-6bq7-a-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7030.jpg?v=1768859567</image:loc>
      <image:title>(1) Tested Sylvania 6BQ7A 6BZ7 Tube with Box Code ai AAB 6BQ7 A Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-liberty-usa-2a5-tube-black-glass-foil-getter-code-22-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7129.jpg?v=1768859842</image:loc>
      <image:title>(1) Tested Liberty USA 2A5 Tube Black Glass Foil Getter Code 22 Pentode Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-0g3-85a2-tube-voltage-regulator-date-code-mb2-57h-holland-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7020.jpg?v=1768860031</image:loc>
      <image:title>(1) Tested Amperex 0G3 85A2 Tube Voltage Regulator Date Code mB2 57H Holland (b)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5u4gb-tube-smooth-black-plates-halo-o-getter-code-apv</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7036.jpg?v=1768860301</image:loc>
      <image:title>(1) Tested Sylvania 5U4GB Tube Smooth Black Plates Halo O Getter Code APV</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-12by7a-tube-date-code-69-39-sharp-cutoff-pentode-12by7-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7040_7df23c8b-b68c-40ac-a350-48a1af6652e0.jpg?v=1768861255</image:loc>
      <image:title>(1) Tested Silvertone 12BY7A Tube Date Code 69-39 Sharp Cutoff Pentode 12BY7 A</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-5z4-tube-code-6-13-black-metal-full-wave-rectifier-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7088.jpg?v=1768862065</image:loc>
      <image:title>(1) Tested Balanced RCA 5Z4 Tube Code 6-13 Black Metal Full Wave Rectifier (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6146-tube-with-box-date-code-56-48-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7046.jpg?v=1768862530</image:loc>
      <image:title>(1) Tested RCA 6146 Tube with Box Date Code 56-48 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12at7-tube-with-box-code-be-jrh-twin-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7054.jpg?v=1768862917</image:loc>
      <image:title>(1) Tested Sylvania 12AT7 Tube with Box Code be JRH Twin Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6u6gt-tube-smoked-glass-date-code-sr2-beam-power-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7061.jpg?v=1768863058</image:loc>
      <image:title>(1) Tested Ken Rad 6U6GT Tube Smoked Glass Date Code SR2 Beam Power Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6x4-tube-date-code-mi-eau-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7065.jpg?v=1768863304</image:loc>
      <image:title>(1) Tested Sylvania 6X4 Tube Date Code mi EAU Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-6q7gt-tube-date-code-ku-twin-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7069.jpg?v=1768863607</image:loc>
      <image:title>(1) Tested National Union 6Q7GT Tube Date Code KU Twin Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au6-tube-code-gr-sharp-cut-off-pentode-vintage-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7091.jpg?v=1768863948</image:loc>
      <image:title>(1) Tested RCA 6AU6 Tube Code GR Sharp Cut Off Pentode Vintage Vacuum Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-35z5gt-tube-with-box-date-code-ff-mkt-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7094.jpg?v=1768864256</image:loc>
      <image:title>(1) Tested 1959 Sylvania 35Z5GT Tube with Box Code FF MKT Half Wave Rectifier</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6x4-tube-with-box-date-code-aj-jar-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7101.jpg?v=1768928009</image:loc>
      <image:title>(1) Tested Sylvania 6X4 Tube with Box Date Code aj JAR Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6sa7-tube-with-box-code-62-09-general-electric-red-letters</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7124.jpg?v=1768928559</image:loc>
      <image:title>(1) Tested Strong GE 6SA7 Tube with Box Code 62-09 General Electric Red Letters</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7h7-tube-sylvania-loctal-tube-loktal-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7115.jpg?v=1768928786</image:loc>
      <image:title>(1) Tested Strong Sylvania 7H7 Tube Sylvania Loctal Tube Loktal Pentode Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8lt8-tube-date-code-bz-8lt8-twin-diode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7120.jpg?v=1768928920</image:loc>
      <image:title>(1) Tested RCA 8LT8 Tube Date Code BZ. 8LT8 Twin Diode Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5z4-tube-code-6-13-black-metal-full-wave-rectifier-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7106.jpg?v=1768929135</image:loc>
      <image:title>(1) Tested RCA 5Z4 Tube Code 6-13 Black Metal Full Wave Rectifier Tube (b)</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-25z6gt-tube-with-box-code-58-48-general-electric-25z6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7170.jpg?v=1769010188</image:loc>
      <image:title>(1) Tested Balanced GE 25Z6GT Tube with Box Code 58-48 General Electric 25Z6 GT</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6u8a-tube-with-box-code-bc-triode-pentode-converter-6u8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7183.jpg?v=1769010396</image:loc>
      <image:title>(1) Tested RCA 6U8A Tube with Box Code BC Triode Pentode Converter 6U8 A Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-cunningham-type-55-tube-code-l12-engraved-base</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7190.jpg?v=1769010627</image:loc>
      <image:title>(1) Tested RCA Radiotron Cunningham Type 55 Tube Code L12 Engraved Base</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6ba7-tube-with-box-high-gain-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7195.jpg?v=1769010927</image:loc>
      <image:title>(1) Tested Strong Sylvania 6BA7 Tube with Box High Gain Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-type-80-tube-black-plates-code-5-30-general-electric-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7201.jpg?v=1769011195</image:loc>
      <image:title>(1) Tested Balanced GE Type 80 Tube Black Plates Code 5-30 General Electric Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-gl5749-tube-five-star-code-4-48-general-electric-6ba6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7205.jpg?v=1769011497</image:loc>
      <image:title>(1) Tested GE GL5749 Tube Five Star ☆☆☆☆☆ Code 4-48 General Electric 6BA6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25z6gt-tube-with-box-date-code-56-43-general-electric-25z6-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7176.jpg?v=1769011828</image:loc>
      <image:title>(1) Tested GE 25Z6GT Tube with Box Date Code 56-43 General Electric 25Z6 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5r4gy-tube-rare-top-side-getter-with-pac-man-mica-code-1-43-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/3FC1A49B-1172-4168-9C6D-B1DD4EF24069.jpg?v=1769019477</image:loc>
      <image:title>(1) Tested RCA 5R4GY Tube Rare Top Side Getter with Pac Man Mica Code 1-43 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bn6-tube-green-letters-date-code-bl-gated-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7241.jpg?v=1769045395</image:loc>
      <image:title>(1) Tested Sylvania 6BN6 Tube Green Letters Date Code BL Gated Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-jan-ckr-6ag7-tube-code-e5-mil-spec-vt-247-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7245.jpg?v=1769045587</image:loc>
      <image:title>(1) Tested Ken Rad JAN CKR 6AG7 Tube Code E5 Mil Spec VT-247 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6cr6-tube-with-box-code-617-diode-pentode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7249.jpg?v=1769045937</image:loc>
      <image:title>(1) Tested Truetone 6CR6 Tube with Box Code 617 Diode Pentode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6be6-tube-with-box-made-in-japan-date-code-6e-pentagrid</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7260.jpg?v=1769046562</image:loc>
      <image:title>(1) Tested Westinghouse 6BE6 Tube with Box Made in Japan Date Code 6E Pentagrid</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2e24-tube-with-box-date-code-56-48-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7266.jpg?v=1769046762</image:loc>
      <image:title>(1) Tested RCA 2E24 Tube with Box Date Code 56-48 Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5r4gy-tube-hanging-filament-bottom-getter-date-code-2-35</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7273.jpg?v=1769047333</image:loc>
      <image:title>(1) Tested RCA 5R4GY Tube Hanging Filament Bottom Getter Date Code 2-35</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7b5-tube-with-box-loctal-tube-pentode-loktal-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7363.jpg?v=1769196612</image:loc>
      <image:title>(1) Tested Strong Sylvania 7B5 Tube with Box Loctal Tube Pentode Loktal Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-0c3-tube-code-1-13-voltage-regulator-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7277.jpg?v=1769216205</image:loc>
      <image:title>(1) Tested Very Strong RCA 0C3 Tube Code 1-13 Voltage Regulator Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7c7-tube-with-box-date-code-635-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7284.jpg?v=1769216575</image:loc>
      <image:title>(1) Tested 1956 Strong Sylvania 7C7 Tube with Box Date Code 635 Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6ag7-tube-with-box-date-code-57-22-black-metal-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7396.jpg?v=1769218444</image:loc>
      <image:title>(1) Tested Strong RCA 6AG7 Tube with Box Date Code 57-22 Black Metal Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-25l6gt-tube-date-code-6-48-raytheon-25l6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7305.jpg?v=1769218756</image:loc>
      <image:title>(1) Tested Strong Raytheon 25L6GT Tube Date Code 6-48 Raytheon 25L6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-made-in-hungary-ef184-tube-6ej7-equivalent-high-gain-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7331.jpg?v=1769218945</image:loc>
      <image:title>(1) Tested Made in Hungary EF184 Tube (6EJ7 equivalent) High Gain Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7ag7-tube-with-box-loktal-tube-loctal-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7336.jpg?v=1769219282</image:loc>
      <image:title>(1) Tested Sylvania 7AG7 Tube with Box Loktal Tube Loctal Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-6dt6a-tube-japan-code-1109-sharp-cutoff-pentode-6dt6-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7281.jpg?v=1769219650</image:loc>
      <image:title>(1) Tested ITT 6DT6A Tube Japan Code 1109 Sharp Cutoff Pentode 6DT6 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6av6-tube-with-box-code-7r48-duplex-diode-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7297.jpg?v=1769289910</image:loc>
      <image:title>(1) Tested Westinghouse 6AV6 Tube with Box Code 7R48 Duplex Diode High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2e26-tube-with-box-date-code-56-39-beam-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7324.jpg?v=1769290310</image:loc>
      <image:title>(1) Tested RCA 2E26 Tube with Box Date Code 56-39 Beam Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1968-iec-mullard-ebf89-6dc8-tube-blackburn-code-b8a1-dual-diode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7317.jpg?v=1769290598</image:loc>
      <image:title>(1) Tested 1968 IEC Mullard EBF89 6DC8 Tube Blackburn Code B8A1 Dual Diode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sg7-tube-mil-spec-vt-211-date-code-s4-rca-6sg7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7354.jpg?v=1769290855</image:loc>
      <image:title>(1) Tested RCA 6SG7 Tube Mil Spec VT-211 Date Code S4 RCA 6SG7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12au6-tube-with-box-date-code-639-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7348.jpg?v=1769291076</image:loc>
      <image:title>(1) Tested Raytheon 12AU6 Tube with Box Date Code 639 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6b7-tube-date-code-7-13-double-diode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7410.jpg?v=1769291418</image:loc>
      <image:title>(1) Tested 1957 Sylvania 6B7 Tube Date Code 7-13 Double Diode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-quality-7b5-tube-code-1-70-loctal-tube-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7378.jpg?v=1769292380</image:loc>
      <image:title>(1) Tested Very Strong Quality 7B5 Tube Code 1-70 Loctal Tube Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12ad6-tube-with-box-date-code-hi-general-electric-heptode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7358.jpg?v=1769292638</image:loc>
      <image:title>(1) Tested 1974 GE 12AD6 Tube with Box Code HI General Electric Heptode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6ag7-tube-with-box-date-code-57-22-black-metal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7401.jpg?v=1769293016</image:loc>
      <image:title>(1) Tested Strong RCA 6AG7 Tube with Box Date Code 57-22 Black Metal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6at8-tube-with-box-code-530-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7389.jpg?v=1769293231</image:loc>
      <image:title>(1) Tested Truetone 6AT8 Tube with Box Code 530 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7ag7-tube-with-box-date-code-618-loctal-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7342.jpg?v=1769293480</image:loc>
      <image:title>(1) Tested 1956 Sylvania 7AG7 Tube with Box Code 618 Loctal Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-made-in-hungary-ef184-tube-6ej7-equivalent-high-gain-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7415.jpg?v=1769293626</image:loc>
      <image:title>(1) Tested Made in Hungary EF184 Tube (6EJ7 equivalent) High Gain Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-25l6-tube-with-box-code-57-13-rca-25l6-black-metal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7312.jpg?v=1769293961</image:loc>
      <image:title>(1) Tested Strong RCA 25L6 Tube with Box Code 57-13 RCA 25L6 Black Metal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7c7-tube-with-box-code-635-loctal-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7290.jpg?v=1769294168</image:loc>
      <image:title>(1) Tested Strong 1956 Sylvania 7C7 Tube &amp; Box Code 635 Loctal Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6gy6-6gx6-tube-with-box-made-in-japan-code-448-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7406.jpg?v=1769294302</image:loc>
      <image:title>(1) Tested Raytheon 6GY6 6GX6 Tube with Box Made in Japan Code 448 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-7b5-tube-code-49-b5-general-electric-loctal-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7383.jpg?v=1769294493</image:loc>
      <image:title>(1) Tested Very Strong GE 7B5 Tube Code 49-B5 General Electric Loctal Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6ej7-ef184-tube-made-in-germany-code-jbd-01-6ej7-tube-ef184</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7483.jpg?v=1769543384</image:loc>
      <image:title>(1) Tested Zenith 6EJ7/EF184 Tube Made In Germany Code JBD ‡01 6EJ7 Tube EF184</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-truetone-25z5-tube-with-box-date-code-048-rectifier-doubler-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7502.jpg?v=1769543832</image:loc>
      <image:title>(1) Tested Balanced Truetone 25Z5 Tube with Box Date Code 048 Rectifier Doubler Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-6sn7gtb-tube-black-plates-chrome-dome-code-ek-bew-6sn7gt</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7448.jpg?v=1769544576</image:loc>
      <image:title>(1) Tested Balanced Sylvania 6SN7GTB Tube Black Plates Chrome Dome Code EK BEW 6SN7GT</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-cbs-6ah6v-tube-date-code-pa-6ah6-v-sharp-cutoff-pentode-tube</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7457.jpg?v=1769546766</image:loc>
      <image:title>(1) Tested Strong CBS 6AH6V Tube Date Code PA 6AH6 V Sharp Cutoff Pentode Tube</image:title>
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    <loc>https://classiccurrents.com/products/1-tested-philco-5y3gt-tube-date-code-5548-full-wave-rectifier-5y3-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7461.jpg?v=1769546854</image:loc>
      <image:title>(1) Tested Philco 5Y3GT Tube Date Code 5548 Full Wave Rectifier 5Y3 GT Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-7057-tube-date-code-65-39-medium-mu-twin-triode-vacuum-tube</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7465.jpg?v=1769546981</image:loc>
      <image:title>(1) Tested RCA 7057 TUbe Date Code 65-39 Medium Mu Twin Triode Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-7k7-tube-date-code-322-diode-triode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7469.jpg?v=1769547160</image:loc>
      <image:title>(1) Tested RCA 7K7 Tube Date Code 322 Diode Triode Loktal Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6be6-tube-with-box-made-in-japan-date-code-397</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7474.jpg?v=1769547239</image:loc>
      <image:title>(1) Tested Westinghouse 6BE6 Tube with Box Made in Japan Date Code 397</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6a8g-tube-date-code-7-13-pentagrid-convertor</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7479.jpg?v=1769547477</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6A8G Tube Date Code 7-13 Pentagrid Convertor</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6ej7-ef184-tube-with-box-code-4l-japan-6ej7-tube-ef184-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7489.jpg?v=1769547751</image:loc>
      <image:title>(1) Tested Raytheon 6EJ7 EF184 Tube with Box Code 4L Japan 6EJ7 Tube EF184 Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cn7-tube-red-letter-date-code-61-26-general-electric-diode-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7515.jpg?v=1769548402</image:loc>
      <image:title>(1) Tested GE 6CN7 Tube Red Letter Date Code 61-26 General Electric Diode Triode</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6au4gta-tube-date-code-ks-rca-6au4-gta-rectifier-tube</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7520.jpg?v=1769548550</image:loc>
      <image:title>(1) Tested Strong RCA 6AU4GTA Tube Date Code KS RCA 6AU4 GTA Rectifier Tube</image:title>
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    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6ak6-tube-red-letters-with-box-code-62-48-general-electric-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7523.jpg?v=1769548604</image:loc>
      <image:title>(1) Tested Strong GE 6AK6 Tube Red Letters with Box Code 62-48 General Electric Pentode Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-25z5-tube-date-code-709-full-wave-rectifier-doubler-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7511.jpg?v=1769548670</image:loc>
      <image:title>(1) Tested Truetone 25Z5 Tube Date Code 709 Full Wave Rectifier Doubler Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ej7-ef184-tube-made-in-germany-code-jwc-0j-6ej7-tube-ef184</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7494.jpg?v=1769548993</image:loc>
      <image:title>(1) Tested RCA 6EJ7/EF184 Tube Made In Germany Code JWC ‡0J 6EJ7 Tube EF184</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6x5gt-tube-date-code-5717-6x5-gt-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7610.jpg?v=1769634162</image:loc>
      <image:title>(1) Tested Raytheon 6X5GT Tube Date Code 5717 6X5 GT Full Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ba6-ef93-tube-red-letters-with-box-code-db-aaa-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7532.jpg?v=1769637852</image:loc>
      <image:title>(1) Tested Sylvania 6BA6 EF93 Tube Red Letters with Box Code db AAA Pentode Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperite-26-4a-ballast-tube-current-regulating-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7537.jpg?v=1769638093</image:loc>
      <image:title>(1) Tested Amperite 26-4A Ballast Tube Current Regulating Tube (a)</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-u-s-a-f-6186-tube-air-force-mil-spec-date-code-4-22</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7541.jpg?v=1769638727</image:loc>
      <image:title>(1) Tested Very Strong RCA U.S.A.F. 6186 Tube Air Force Mil Spec Date Code 4-22</image:title>
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    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-2c26-tube-date-code-hu-top-caps-brown-base-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7545.jpg?v=1769638963</image:loc>
      <image:title>(1) Tested National Union 2C26 Tube Date Code HU Top Caps Brown Base Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-mcintosh-6cs6-tube-date-code-67-43-by-general-electric-pentagrid-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7554.jpg?v=1769639163</image:loc>
      <image:title>(1) Tested McIntosh 6CS6 Tube Date Code 67-43 by General Electric Pentagrid Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-1968-amperite-2a10-ballast-tube-with-box-current-regulating-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7555.jpg?v=1769639516</image:loc>
      <image:title>(1) Tested 1968 Amperite 2A10 Ballast Tube with Box Current Regulating Tube (a)</image:title>
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    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-the-fisher-ec900-6ha5-tube-triode-etched-code-3i3-great-britain</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7563.jpg?v=1769639924</image:loc>
      <image:title>(1) Tested The Fisher EC900 6HA5 Tube Triode Etched Code 3I3 Great Britain</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12sa7-tube-date-code-8-04-converter-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7568.jpg?v=1769640457</image:loc>
      <image:title>(1) Tested RCA 12SA7 Tube Date Code 8-04 Converter Vacuum Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-arcturus-6ba7-tube-with-box-code-1062-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7572.jpg?v=1769640649</image:loc>
      <image:title>(1) Tested Strong Arcturus 6BA7 Tube with Box Code 1062 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-6l6gb-tube-date-code-5801-sylvania-eia-6l6-gb-beam-power-tube</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7577.jpg?v=1769640829</image:loc>
      <image:title>(1) Tested Philco 6L6GB Tube Date Code 5801 Sylvania EIA 6L6 GB Beam Power Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-12bf6-tube-with-box-date-code-5326-double-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7581.jpg?v=1769641074</image:loc>
      <image:title>(1) Tested National Union 12BF6 Tube with Box Date Code 5326 Double Diode Triode Tube</image:title>
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    <loc>https://classiccurrents.com/products/1-tested-sylvania-u-s-navy-chs-5z3-tube-black-ribbed-plates-square-getter</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7587.jpg?v=1769641494</image:loc>
      <image:title>(1) Tested Sylvania U.S. Navy CHS 5Z3 Tube Black Ribbed Plates Square Getter</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-zytron-1x2a-tube-date-code-709-1x2-a-half-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7591.jpg?v=1769641795</image:loc>
      <image:title>(1) Tested Zytron 1X2A Tube Date Code 709 1X2 A Half Wave Rectifier Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-1963-amperite-26-4a-ballast-tube-with-box-current-regulating-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7686.jpg?v=1769728802</image:loc>
      <image:title>(1) Tested 1963 Amperite 26-4A Ballast Tube with Box Current Regulating Tube (b)</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ar5-tube-with-box-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7693.jpg?v=1769729120</image:loc>
      <image:title>(1) Tested Sylvania 6AR5 Tube with Box Power Pentode Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6j5-tubes-with-boxes-date-codes-bd-black-metal-triodes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7613.jpg?v=1769729583</image:loc>
      <image:title>Tested Matched Pair RCA 6J5 Tubes with Boxes Date Codes BD Black Metal Triodes</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bj7-tube-general-electric-triple-diode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7620.jpg?v=1769730125</image:loc>
      <image:title>(1) Tested GE 6BJ7 Tube General Electric Triple Diode Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50y6gt-tube-date-code-do-50y6-gt-rectifier-doubler-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7624.jpg?v=1769730279</image:loc>
      <image:title>(1) Tested RCA 50Y6GT Tube Date Code DO 50Y6 GT Rectifier Doubler Tube (c)</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6de4-tube-coin-base-date-code-cv-half-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7628.jpg?v=1769730450</image:loc>
      <image:title>(1) Tested RCA 6DE4 Tube Coin Base Date Code CV Half Wave Rectifier Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-raytheon-6al5-tube-date-code-g02-6al5-twin-diode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7632.jpg?v=1769730649</image:loc>
      <image:title>(1) Tested Balanced Raytheon 6AL5 Tube Date Code G02 6AL5 Twin Diode Vacuum Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-radiotron-type-19-tube-date-code-u5-double-triode-19-tube</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7636.jpg?v=1769731016</image:loc>
      <image:title>(1) Tested Strong RCA Radiotron Type 19 Tube Date Code U5 Double Triode 19 Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu8-tube-with-box-date-code-lw-general-electric-triode-pentode</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7640.jpg?v=1769731494</image:loc>
      <image:title>(1) Tested GE 6CU8 Tube with Box Date Code LW General Electric Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6k6gt-tube-code-jh-bdg-sylvania-6k6-gt-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7647.jpg?v=1769731769</image:loc>
      <image:title>(1) Tested Sylvania 6K6GT Tube Code jh BDG Sylvania 6K6 GT Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6cs6-tube-with-box-date-code-ig-jam-heptode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7651.jpg?v=1769732156</image:loc>
      <image:title>(1) Tested Strong Sylvania 6CS6 Tube with Box Date Code ig JAM Heptode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-33gy7-tube-compactron-made-in-japan-date-code-a-23-pentode-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7657.jpg?v=1769732452</image:loc>
      <image:title>(1) Tested RCA 33GY7 Tube Compactron Made in Japan Date Code A-23 Pentode Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6as8-tube-diode-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7663.jpg?v=1769747295</image:loc>
      <image:title>(1) Tested Westinghouse 6AS8 Tube Diode Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-12a5-tube-engraved-base-power-amplifier-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7668.jpg?v=1769747551</image:loc>
      <image:title>(1) Tested Raytheon 12A5 Tube Engraved Base Power Amplifier Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1968-amperite-2a10-tube-and-box-ballast-current-regulating-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7672.jpg?v=1769747757</image:loc>
      <image:title>(1) Tested 1968 Amperite 2A10 Tube and Box Ballast Current Regulating Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6cr6-tube-with-box-date-code-617-diode-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7679.jpg?v=1769747997</image:loc>
      <image:title>(1) Tested Truetone 6CR6 Tube with Box Date Code 617 Diode Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6cd6ga-tube-with-box-date-code-5713-3-6cd6-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7699.jpg?v=1769748422</image:loc>
      <image:title>(1) Tested 1957 Tung Sol 6CD6GA Tube with Box Date Code 5713-3 6CD6 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-11kv8-tube-and-box-great-britain-code-nh-general-electric-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7708.jpg?v=1769748712</image:loc>
      <image:title>(1) Tested GE 11KV8 Tube and Box Great Britain Code NH General Electric Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-wl-6146-tube-with-box-date-code-59-40-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7743.jpg?v=1769815490</image:loc>
      <image:title>(1) Tested Westinghouse WL 6146 Tube with Box Date Code 59-40 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zytron-6bc5-tube-with-box-date-code-56-20-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7714.jpg?v=1769815784</image:loc>
      <image:title>(1) Tested Zytron 6BC5 Tube with Box Date Code 56-20 Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6hf5-tube-date-code-ni-general-electric-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7720.jpg?v=1769816265</image:loc>
      <image:title>(1) Tested GE 6HF5 Tube Date Code NI General Electric Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6be6-tube-date-code-135-pentagrid-converter-heptode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7725.jpg?v=1769816501</image:loc>
      <image:title>(1) Tested Sylvania 6BE6 Tube Date Code 135 Pentagrid Converter Heptode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-wards-super-airline-6y6g-tube-date-code-5635-rca-eia-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7729.jpg?v=1769816702</image:loc>
      <image:title>(1) Tested Wards Super Airline 6Y6G Tube Date Code 5635 RCA EIA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-16a8-pcl82-tube-with-box-blackburn-great-britain-code-b8j5-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7735.jpg?v=1769817223</image:loc>
      <image:title>(1) Tested GE 16A8 PCL82 Tube with Box Blackburn Great Britain Code B8J5 Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-hytron-2c26-tube-military-spec-code-5-4-top-caps-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7755.jpg?v=1769817665</image:loc>
      <image:title>(1) Tested 1944 Hytron 2C26 Tube Military Spec Code 5-4 Top Caps Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-807-tube-made-in-england-double-o-foil-getters-code-jc-kgd</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7760.jpg?v=1769817897</image:loc>
      <image:title>(1) Tested Sylvania 807 Tube Made in England Double O Foil Getters Code JC KGD</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-packard-bell-6je6c-tube-code-blc-novar-b9e-base-rca-eia-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7766_8586223c-eeca-476c-bde7-3c31361ba21b.jpg?v=1769818824</image:loc>
      <image:title>(1) Tested Packard Bell 6JE6C Tube Code BLC Novar B9E Base RCA EIA Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6146-tube-date-code-57-09-beam-power-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7751.jpg?v=1769819078</image:loc>
      <image:title>(1) Tested RCA 6146 Tube Date Code 57-09 Beam Power Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-6ge5-tube-date-code-md-adx-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7784.jpg?v=1770047491</image:loc>
      <image:title>(1) Tested Strong Sylvania 6GE5 Tube Date Code md ADX Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0d3-tube-with-box-date-code-59-09-rca-0d3-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7779.jpg?v=1770047807</image:loc>
      <image:title>(1) Tested RCA 0D3 Tube with Box Date Code 59-09 RCA 0D3 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5r4gy-tube-rare-top-side-getter-with-pac-man-mica-code-1-43-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/F824D895-F7D5-41C2-A9E2-60C6559A77AD.jpg?v=1770048921</image:loc>
      <image:title>(1) Tested RCA 5R4GY Tube Rare Top Side Getter with Pac Man Mica Code 1-43 (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hallicrafters-6ab4-tube-date-code-61-31-square-halo-getter-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7814.jpg?v=1770049440</image:loc>
      <image:title>(1) Tested Hallicrafters 6AB4 Tube Date Code 61-31 Square Halo Getter Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-0c3-tube-code-526-voltage-regulator-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7811.jpg?v=1770049678</image:loc>
      <image:title>(1) Tested Raytheon 0C3 Tube Code 526 Voltage Regulator Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6br8a-6fv8a-tube-japan-date-code-h10-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7823.jpg?v=1770052687</image:loc>
      <image:title>(1) Tested Raytheon 6BR8A 6FV8A Tube Japan Date Code H10 Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6dq6b-6gw6-tube-with-box-general-electric-6gw6-tube-6dq6-b-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7827.jpg?v=1770052883</image:loc>
      <image:title>(1) Tested GE 6DQ6B/6GW6 Tube with Box General Electric 6GW6 Tube 6DQ6 B Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cunningham-type-24a-tube-date-code-x3-24-a-tube-sharp-cutoff-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7833.jpg?v=1770053117</image:loc>
      <image:title>(1) Tested Cunningham Type 24A Tube Date Code X3 24 A Tube Sharp Cutoff Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1969-sylvania-6bq7a-6bz7-tubes-red-letters-codes-db-adt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8043.jpg?v=1770237952</image:loc>
      <image:title>Tested Matched Pair 1969 Sylvania 6BQ7A 6BZ7 Tubes Red Letters Codes db ADT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ge5-tube-with-box-date-code-ca-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7790.jpg?v=1770053783</image:loc>
      <image:title>(1) Tested RCA 6GE5 Tube with Box Date Code CA. Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6jn6-tube-date-code-as-beam-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7843.jpg?v=1770059274</image:loc>
      <image:title>(1) Tested Strong RCA 6JN6 Tube Date Code AS. Beam Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-9jw8-pcf802-tube-great-britain-date-code-mh-general-electric-9jw9-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7847.jpg?v=1770059816</image:loc>
      <image:title>(1) Tested GE 9JW8 PCF802 Tube Great Britain Date Code MH General Electric 9JW9 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-03g-tube-ballast-tube-for-air-king-tube-radio-sky-king-tube-radio-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7854.jpg?v=1770060162</image:loc>
      <image:title>(1) Tested 03G Tube Ballast Tube For Air King Tube Radio Sky King Tube Radio (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cu6-tube-date-code-cb-6cu6-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7862.jpg?v=1770060724</image:loc>
      <image:title>(1) Tested Sylvania 6CU6 Tube Date Code CB 6CU6 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ev5-tube-with-box-date-code-62-17-general-electric-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7866.jpg?v=1770060938</image:loc>
      <image:title>(1) Tested GE 6EV5 Tube with Box Date Code 62-17 General Electric Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6em5-tube-with-box-japan-date-code-b-02-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7871.jpg?v=1770061280</image:loc>
      <image:title>(1) Tested Raytheon 6EM5 Tube with Box Japan Date Code B-02 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1968-amperite-2a10-tube-with-box-current-regulating-ballast-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7877.jpg?v=1770061593</image:loc>
      <image:title>(1) Tested 1968 Amperite 2A10 Tube with Box Current Regulating Ballast Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-6al5-tube-with-box-code-62-48-general-electric-twin-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7884.jpg?v=1770061773</image:loc>
      <image:title>(1) Tested Balanced GE 6AL5 Tube with Box Code 62-48 General Electric Twin Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5r4gy-tube-date-code-2-13-hanging-filament-single-square-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7805.jpg?v=1770062535</image:loc>
      <image:title>(1) Tested RCA 5R4GY Tube Date Code 2-13 Hanging Filament Single Square Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ge5-tube-red-letters-with-box-date-code-da-aba-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7817.jpg?v=1770062834</image:loc>
      <image:title>(1) Tested Sylvania 6GE5 Tube Red Letters with Box Date Code da ABA Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-1926-western-electric-231-d-tube-tipped-glass-for-display-only-231d-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7897.jpg?v=1770150893</image:loc>
      <image:title>(1) 1926 Western Electric 231-D Tube Tipped Glass For Display Only 231D Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-type-80-tube-engraved-base-hanging-filament-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7904.jpg?v=1770151507</image:loc>
      <image:title>(1) Tested Raytheon Type 80 Tube Engraved Base Hanging Filament Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6bz6-tube-with-box-code-h-22-made-in-japan-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7945.jpg?v=1770151841</image:loc>
      <image:title>(1) Tested Raytheon 6BZ6 Tube with Box Code H-22 Made in Japan Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-radiotron-6j5g-tube-date-code-xe3-amplifier-triode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7908.jpg?v=1770152123</image:loc>
      <image:title>(1) Tested Strong RCA Radiotron 6J5G Tube Date Code XE3 Amplifier Triode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6l6g-tube-vintage-usa-beam-power-audio-amplifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7918.jpg?v=1770155036</image:loc>
      <image:title>(1) Tested Tung Sol 6L6G Tube Vintage USA Beam Power Audio Amplifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-channel-master-6ba6-tube-remote-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7951.jpg?v=1770155343</image:loc>
      <image:title>(1) Tested Channel Master 6BA6 Tube Remote Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-6c5g-tube-engraved-base-date-code-a7-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7922.jpg?v=1770155535</image:loc>
      <image:title>(1) Tested Ken Rad 6C5G Tube Engraved Base Date Code A7 Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6v6g-tube-date-code-f8-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7928.jpg?v=1770156130</image:loc>
      <image:title>(1) Tested Raytheon 6V6G Tube Date Code F8 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-2051-tube-date-code-y5-gas-tetrode-thyratron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7932.jpg?v=1770156889</image:loc>
      <image:title>(1) Tested RCA Radiotron 2051 Tube Date Code Y5 Gas Tetrode Thyratron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-6bv8-tube-dual-diode-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7954.jpg?v=1770157226</image:loc>
      <image:title>(1) Tested Lindal 6BV8 Tube Dual Diode Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1937-rca-radiotron-type-27-tube-red-letters-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7936.jpg?v=1770157350</image:loc>
      <image:title>(1) Tested 1937 RCA Radiotron Type 27 Tube Red Letters Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6gk5-6fq5a-tube-with-box-date-code-aj-adf-6gk5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7958.jpg?v=1770157645</image:loc>
      <image:title>(1) Tested Sylvania 6GK5 6FQ5A Tube with Box Date Code aj ADF 6GK5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cm6-tube-date-code-jf-general-electric-power-amplifier-tetrode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7966.jpg?v=1770157991</image:loc>
      <image:title>(1) Tested GE 6CM6 Tube Date Code JF General Electric Power Amplifier Tetrode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-6j5g-tube-date-code-xe3-amplifier-triode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7913.jpg?v=1770158232</image:loc>
      <image:title>(1) Tested RCA Radiotron 6J5G Tube Date Code XE3 Amplifier Triode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-84-6z4-tube-date-code-x4-type-84-6z4-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7941.jpg?v=1770158553</image:loc>
      <image:title>(1) Tested RCA Radiotron 84/6Z4 Tube Date Code X4 Type 84 6Z4 Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu8-tube-with-box-code-ez-general-electric-triode-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7995.jpg?v=1770238408</image:loc>
      <image:title>(1) Tested GE 6CU8 Tube with Box Code EZ General Electric Triode Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-type-27-tube-with-engraved-base-code-j-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8055.jpg?v=1770238958</image:loc>
      <image:title>(1) Tested National Union Type 27 Tube with Engraved Base Code J Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bn4a-tube-with-box-code-fv-general-electric-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8018.jpg?v=1770239375</image:loc>
      <image:title>(1) Tested GE 6BN4A Tube with Box Code FV General Electric Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ag7-tube-date-code-452-rca-black-metal-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8060.jpg?v=1770239712</image:loc>
      <image:title>(1) Tested RCA 6AG7 Tube Date Code 452 RCA Black Metal Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cu8-tube-with-box-date-code-am-yad-triode-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7984.jpg?v=1770240383</image:loc>
      <image:title>(1) Tested Sylvania 6CU8 Tube with Box Date Code am YAD Triode Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-50l6gt-tube-date-code-917-50l6-gt-beam-power-amplifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8063.jpg?v=1770241285</image:loc>
      <image:title>(1) Tested Very Strong RCA 50L6GT Tube Date Code 917 50L6 GT Beam Power Amplifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jd6-tube-with-box-date-code-fk-general-electric-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8028.jpg?v=1770241828</image:loc>
      <image:title>(1) Tested GE 6JD6 Tube with Box Date Code FK General Electric Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6as8-tube-with-box-code-fe-esp-diode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8012.jpg?v=1770242228</image:loc>
      <image:title>(1) Tested Sylvania 6AS8 Tube with Box Code fe ESP Diode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-1lb4-tube-date-code-443-loctal-tube-loktal-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8067.jpg?v=1770242886</image:loc>
      <image:title>(1) Tested RCA 1LB4 Tube Date Code 443 Loctal Tube Loktal Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bq7a-6bz7-tube-red-letters-with-box-code-eh-aeo-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8038.jpg?v=1770243433</image:loc>
      <image:title>(1) Tested Sylvania 6BQ7A 6BZ7 Tube Red Letters with Box Code eh AEO Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cu8-tube-with-box-date-code-ce-eey-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_7989.jpg?v=1770243904</image:loc>
      <image:title>(1) Tested Sylvania 6CU8 Tube with Box Date Code ce EEY Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-0d3-tube-code-5547-double-d-getters-voltage-regulator-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8073.jpg?v=1770244668</image:loc>
      <image:title>(1) Tested Philco 0D3 Tube Code 5547 Double D Getters Voltage Regulator Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu8-tube-and-box-date-code-ez-general-electric-triode-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8002.jpg?v=1770245542</image:loc>
      <image:title>(1) Tested GE 6CU8 Tube and Box Date Code EZ General Electric Triode Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-champion-6a7-tube-date-code-c8c-pentagrid-convertor-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8077.jpg?v=1770245885</image:loc>
      <image:title>(1) Tested Champion 6A7 Tube Date Code C8C Pentagrid Convertor Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bn4a-tube-with-box-red-letters-code-db-abt-medium-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8024.jpg?v=1770246325</image:loc>
      <image:title>(1) Tested Sylvania 6BN4A Tube with Box Red Letters Code db ABT Medium Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1968-amperite-2a10-tube-and-box-current-regulating-ballast-tube-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8085.jpg?v=1770246758</image:loc>
      <image:title>(1) Tested 1968 Amperite 2A10 Tube and Box Current Regulating Ballast Tube (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6u7g-tube-date-code-z3r-remote-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8081.jpg?v=1770247203</image:loc>
      <image:title>(1) Tested 1943 Sylvania 6U7G Tube Date Code Z3R Remote Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6jd6-tube-and-box-date-code-hh-general-electric-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8033.jpg?v=1770247686</image:loc>
      <image:title>(1) Tested 1973 GE 6JD6 Tube and Box Date Code HH General Electric Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-canadian-armed-services-raytheon-jan-crp-0z4-a-tube-ge-ck1003</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8093.jpg?v=1770249040</image:loc>
      <image:title>(1) Tested 1944 Canadian Armed Services Raytheon JAN CRP 0Z4 A Tube GE CK1003</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu8-tube-and-box-code-hf-general-electric-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8007.jpg?v=1770249496</image:loc>
      <image:title>(1) Tested GE 6CU8 Tube and Box Code HF General Electric Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-hytron-6k6gt-tube-date-code-52-35-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8140.jpg?v=1770325524</image:loc>
      <image:title>(1) Tested Strong Hytron 6K6GT Tube Date Code 52-35 Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-6gh8a-tube-with-box-japan-code-448-triode-sharp-cutoff-pentode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8123.jpg?v=1770325677</image:loc>
      <image:title>(1) Tested Lindal 6GH8A Tube with Box Japan Code 448 Triode Sharp Cutoff Pentode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6y6g-tube-vt168-a-code-h4e-beam-power-mil-spec-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8105.jpg?v=1770326229</image:loc>
      <image:title>(1) Tested 1944 RCA JAN CRC 6Y6G Tube VT168 A Code H4E Beam Power Mil Spec Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-15cw5-pl84-tube-with-box-code-nz-holland-general-electric-15cw5</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8109.jpg?v=1770326648</image:loc>
      <image:title>(1) Tested GE 15CW5/PL84 Tube with Box Code NZ Holland General Electric 15CW5</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-balanced-sylvania-6sn7-gtb-tube-black-plates-halo-getter-code-hc-agt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8117.jpg?v=1770326899</image:loc>
      <image:title>Tested Balanced 1967 Sylvania 6SN7 GTB Tube Black Plates Halo Getter Code bc AGT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-zenith-6k7g-tube-engraved-base-pentode-amplifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8133.jpg?v=1770327676</image:loc>
      <image:title>(1) Tested Very Strong Zenith 6K7G Tube Engraved Base Pentode Amplifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6em5-tube-date-code-zy3-beam-power-amplifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8144.jpg?v=1770327923</image:loc>
      <image:title>(1) Tested Tung Sol 6EM5 Tube Date Code ZY3 Beam Power Amplifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-2a4g-tube-date-code-f2-hot-cathode-argon-thyratron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8147.jpg?v=1770328215</image:loc>
      <image:title>(1) Tested Raytheon 2A4G Tube Date Code F2 Hot Cathode Argon Thyratron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8cw5a-tube-with-box-date-code-ap-power-output-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8157.jpg?v=1770330390</image:loc>
      <image:title>(1) Tested RCA 8CW5A Tube with Box Date Code AP Power Output Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-triad-ge-6ax4gt-tube-made-in-japan-6ax4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8163.jpg?v=1770330724</image:loc>
      <image:title>(1) Tested Triad GE 6AX4GT Tube Made in Japan 6AX4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gv8-ecl85-tube-date-code-af-etched-4a5-made-in-holland</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8168.jpg?v=1770331140</image:loc>
      <image:title>(1) Tested RCA 6GV8 ECL85 Tube Date Code AF Etched ◿ 4A5 Made in Holland</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-25l6g-tube-code-xe1-general-electric-25l6-g-shouldered-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8172.jpg?v=1770331559</image:loc>
      <image:title>(1) Tested Strong GE 25L6G Tube Code XE1 General Electric 25L6 G Shouldered Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6dn7-tube-with-box-date-code-ce-ydn-double-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8176.jpg?v=1770331818</image:loc>
      <image:title>(1) Tested Sylvania 6DN7 Tube with Box Date Code ce YDN Double Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-6gh8a-tube-japan-code-448-triode-sharp-cutoff-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8129_26265ee1-ebda-4f2a-9b6b-548e3c22d6bb.jpg?v=1770332290</image:loc>
      <image:title>(1) Tested Lindal 6GH8A Tube Japan Code 448 Triode Sharp Cutoff Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6k6gt-tube-date-code-57-39-general-electric-6k6-gt-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8136.jpg?v=1770332443</image:loc>
      <image:title>(1) Tested GE 6K6GT Tube Date Code 57-39 General Electric 6K6 GT Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-very-strong-matched-pair-rca-6v6gt-tubes-double-d-getters-date-codes-me</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8189.jpg?v=1770401177</image:loc>
      <image:title>Tested Very Strong Matched Pair RCA 6V6GT Tubes Double D Getters Date Codes ME</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-balanced-unbranded-5751-tube-date-code-nv-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8196.jpg?v=1770401817</image:loc>
      <image:title>(1) Tested Strong Balanced Unbranded 5751 Tube Date Code NV Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-silvertone-6sn7gtb-tube-black-plates-d-getter-rca-eia-274-6sn7-gtb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8201.jpg?v=1770402102</image:loc>
      <image:title>(1) Tested Silvertone 6SN7GTB Tube Black Plates D Getter RCA EIA 274 6SN7 GTB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1949-rca-jrc-3q4-tube-with-box-date-code-6-48-mil-spec-rca-3q4-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8206.jpg?v=1770402378</image:loc>
      <image:title>(1) Tested 1949 RCA JRC 3Q4 Tube with Box Date Code 6-48 Mil Spec RCA 3Q4 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6ag7-tube-code-%E2%97%BC%EF%B8%8Fvie-mil-spec-vt-247-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8214.jpg?v=1770402763</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6AG7 Tube Code ◼️VIE Mil Spec VT-247 Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-4eh7-lf183-tube-with-box-code-el-made-in-mexico-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8219.jpg?v=1770402915</image:loc>
      <image:title>(1) Tested RCA 4EH7 LF183 Tube with Box Code EL. Made in Mexico Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-25z5-tube-code-709-full-wave-rectifier-doubler-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8225.jpg?v=1770403218</image:loc>
      <image:title>(1) Tested Truetone 25Z5 Tube Code 709 Full Wave Rectifier Doubler Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6ge5-tube-with-box-made-in-japan-date-code-f-12-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8229.jpg?v=1770403497</image:loc>
      <image:title>(1) Tested Raytheon 6GE5 Tube with Box Made in Japan Date Code F-12 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6av5ga-tube-date-code-am-rca-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8235.jpg?v=1770403703</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AV5GA Tube Date Code AM RCA Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-matsushita-1bk2-tube-made-in-japan-date-code-9g-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8239.jpg?v=1770404054</image:loc>
      <image:title>(1) Tested Strong Matsushita 1BK2 Tube Made in Japan Date Code 9G Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5r4gyb-tube-date-code-7230-black-plates-o-getter-5r4-gyb-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8268.jpg?v=1771286874</image:loc>
      <image:title>(1) Tested RCA 5R4GYB Tube Date Code 7230 Black Plates O Getter 5R4 GYB Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ag5-tube-with-box-code-jc-bod-sharp-cutoff-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8311.jpg?v=1771367074</image:loc>
      <image:title>(1) Tested Sylvania 6AG5 Tube with Box Code jc BOD Sharp Cutoff Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-baldwin-12au7-tube-japan-12au7-medium-mu-twin-triode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8299.jpg?v=1771367325</image:loc>
      <image:title>(1) Tested Baldwin 12AU7 Tube Japan 12AU7 Medium Mu Twin Triode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1961-matched-pair-sylvania-jhs-6186-6ag5wa-tubes-with-boxes-codes-6123-pentodes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8321.jpg?v=1771367581</image:loc>
      <image:title>1961 Matched Pair Sylvania JHS 6186 6AG5WA Tubes with Boxes Codes 6123 Pentodes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6l6gc-tube-date-code-ec-6l6-gc-tube-6l6g-c-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8286.jpg?v=1771368194</image:loc>
      <image:title>(1) Tested RCA 6L6GC Tube Date Code EC 6L6 GC Tube 6L6G C Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1961-sylvania-jhs-6186-6ag5wa-tube-with-box-code-6123-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8329.jpg?v=1771368649</image:loc>
      <image:title>(1) Tested 1961 Sylvania JHS 6186 6AG5WA Tube with Box Code 6123 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12au7a-ecc82-tube-12au7-a-medium-mu-twin-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8303.jpg?v=1771369209</image:loc>
      <image:title>(1) Tested Balanced RCA 12AU7A ECC82 Tube 12AU7 A Medium Mu Twin Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cw4-tube-nuvistor-tube-with-box-date-code-039-high-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8290.jpg?v=1771426299</image:loc>
      <image:title>(1) Tested RCA 6CW4 Tube Nuvistor Tube with Box Date Code 039 High Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6ag5-tube-and-box-code-jc-bod-sharp-cutoff-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8316.jpg?v=1771426467</image:loc>
      <image:title>(1) Tested Sylvania 6AG5 Tube and Box Code jc BOD Sharp Cutoff Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-baldwin-12au7-tube-made-in-japan-12au7-medium-mu-twin-triode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8307.jpg?v=1771426641</image:loc>
      <image:title>(1) Tested Baldwin 12AU7 Tube Made in Japan 12AU7 Medium Mu Twin Triode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w4gt-tube-and-box-date-code-bs-6w4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8365.jpg?v=1771426857</image:loc>
      <image:title>(1) Tested RCA 6W4GT Tube and Box Date Code BS 6W4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1962-matched-pair-sylvania-jhs-6186-6ag5wa-tubes-with-boxes-codes-6202-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8335.jpg?v=1771427091</image:loc>
      <image:title>1962 Matched Pair Sylvania JHS 6186 6AG5WA Tubes with Boxes Codes 6202 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-1962-sylvania-jhs-6186-6ag5wa-tube-and-box-code-6202-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8349.jpg?v=1771427377</image:loc>
      <image:title>(1) Tested 1962 Sylvania JHS 6186 6AG5WA Tube and Box Code 6202 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6cd6ga-tube-with-original-box-6cd6-ga-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8356.jpg?v=1771427553</image:loc>
      <image:title>(1) Tested Raytheon 6CD6GA Tube with Original Box 6CD6 GA Power Pentode Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1962-matched-pair-sylvania-jhs-6186-6ag5wa-tubes-and-boxes-date-codes-6202-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8342.jpg?v=1771427749</image:loc>
      <image:title>1962 Matched Pair Sylvania JHS 6186 6AG5WA Tubes and Boxes Date Codes 6202 (b)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-jan-ckr-6ac7-tube-vt-112-date-code-f5-mil-spec-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8376.jpg?v=1771449612</image:loc>
      <image:title>(1) Tested Ken Rad JAN CKR 6AC7 Tube VT-112 Date Code F5 Mil Spec Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-hyvac-117l7-m7-gt-tube-date-code-4810-rectifier-power-117l7-m7-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8372.jpg?v=1771449796</image:loc>
      <image:title>(1) Tested Hyvac 117L7/M7 GT Tube Date Code 4810 Rectifier Power 117L7 M7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dx8-ecl84-tube-and-box-great-britain-code-bv-6dx8-tube-ecl84-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8400.jpg?v=1771450376</image:loc>
      <image:title>(1) Tested RCA 6DX8 ECL84 Tube and Box Great Britain Code BV 6DX8 Tube ECL84 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-usn-crc-6ac7-tube-date-code-k1-rca-navy-6ac7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8379.jpg?v=1771450723</image:loc>
      <image:title>(1) Tested RCA USN CRC 6AC7 Tube Date Code K1 RCA Navy 6AC7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rauland-8sn7gtb-tube-with-box-black-angled-t-plates-date-code-7-26</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8413.jpg?v=1771451960</image:loc>
      <image:title>(1) Tested Rauland 8SN7GTB Tube with Box Black Angled T Plates Date Code 7-26</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-tronal-ef89-6da6-tube-with-box-ef89-tube-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8421.jpg?v=1771453462</image:loc>
      <image:title>(1) Tested Very Strong Tronal EF89 6DA6 Tube with Box EF89 Tube Pentode Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-6ac7-tube-vt-112-date-code-v5e-mil-spec-6ac7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8382.jpg?v=1771453741</image:loc>
      <image:title>(1) Tested RCA JAN CRC 6AC7 Tube VT-112 Date Code V5E Mil Spec 6AC7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-12sn7gta-tube-with-box-black-plates-code-an-12sn7-gta</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8428.jpg?v=1771454489</image:loc>
      <image:title>(1) Tested Balanced RCA 12SN7GTA Tube with Box Black Plates Code AN 12SN7 GTA</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6aj8-ech81-tube-and-box-date-code-nr-great-britain-triode-heptode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8435.jpg?v=1771454797</image:loc>
      <image:title>(1) Tested RCA 6AJ8 ECH81 Tube and Box Date Code NR Great Britain Triode Heptode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ac7-1852-tube-usa-vt-112-code-k2e-rca-6ac7-tube-rca-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8385.jpg?v=1771455092</image:loc>
      <image:title>(1) Tested RCA 6AC7 1852 Tube USA VT-112 Code K2E RCA 6AC7 Tube RCA 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6s8gt-tube-with-box-date-code-7r17-6s8-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8442.jpg?v=1771456418</image:loc>
      <image:title>(1) Tested Westinghouse 6S8GT Tube with Box Date Code 7R17 6S8 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6dx8-ecl84-tube-and-box-great-britain-code-bv-6dx8-tube-ecl84-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8406.jpg?v=1771456610</image:loc>
      <image:title>(1) Tested RCA 6DX8 ECL84 Tube and Box Great Britain Code BV 6DX8 Tube ECL84 (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ac7-1852-tube-date-code-s5e-rca-6ac7-tube-rca-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8389.jpg?v=1771457072</image:loc>
      <image:title>(1) Tested RCA 6AC7 1852 Tube Date Code S5E RCA 6AC7 Tube RCA 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-tung-sol-6x5gt-tube-date-code-8-26-6x5-gt-vacuum-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8453.jpg?v=1771457697</image:loc>
      <image:title>(1) Tested Balanced Tung Sol 6X5GT Tube Date Code 8-26 6X5 GT Vacuum Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-5670-tube-black-plates-dual-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8449.jpg?v=1771457952</image:loc>
      <image:title>(1) Tested Unbranded 5670 Tube Black Plates Dual Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-1852-tube-date-code-u2e-general-electric-6ac7-tube-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8392.jpg?v=1771458234</image:loc>
      <image:title>(1) Tested GE 6AC7 1852 Tube Date Code U2E General Electric 6AC7 Tube 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-hytron-12ba7-tube-date-code-5009-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8458.jpg?v=1771459644</image:loc>
      <image:title>(1) Tested Strong Hytron 12BA7 Tube Date Code 5009 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-detrola-12sa7-tube-date-code-y5e-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8462.jpg?v=1771459831</image:loc>
      <image:title>(1) Tested Very Strong Detrola 12SA7 Tube Date Code Y5E Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6au8-tube-with-box-date-code-kq-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8465.jpg?v=1771459959</image:loc>
      <image:title>(1) Tested RCA 6AU8 Tube with Box Date Code KQ Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0d3-tube-with-box-date-code-7604-rca-0d3-voltage-regulator-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8476.jpg?v=1771460111</image:loc>
      <image:title>(1) Tested RCA 0D3 Tube with Box Date Code 7604 RCA 0D3 Voltage Regulator Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-1852-tube-date-code-w2-general-electric-6ac7-tube-1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8396.jpg?v=1771460303</image:loc>
      <image:title>(1) Tested GE 6AC7 1852 Tube Date Code W2 General Electric 6AC7 Tube 1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cd6ga-tube-with-box-date-code-ak-rca-6cd6-ga-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8482.jpg?v=1771535053</image:loc>
      <image:title>(1) Tested RCA 6CD6GA Tube with Box Date Code AK RCA 6CD6 GA Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5x8-tube-with-box-date-code-kp-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8496.jpg?v=1771535283</image:loc>
      <image:title>(1) Tested RCA 5X8 Tube with Box Date Code KP Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-zenith-6dq6b-tube-date-code-039-mcl-6dq6-b-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8501.jpg?v=1771535500</image:loc>
      <image:title>(1) Tested Very Strong Zenith 6DQ6B Tube Date Code 039 MCL 6DQ6 B Power Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6cg8a-tube-and-box-date-code-ck-6cg8-a-tube-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8506.jpg?v=1771535677</image:loc>
      <image:title>(1) Tested Strong RCA 6CG8A Tube and Box Date Code CK 6CG8 A Tube Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6n7-tube-with-box-medium-mu-twin-power-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8511.jpg?v=1771535878</image:loc>
      <image:title>(1) Tested Sylvania 6N7 Tube with Box Medium Mu Twin Power Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6es5-tube-with-box-date-code-je-general-electric-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8517.jpg?v=1771536087</image:loc>
      <image:title>(1) Tested GE 6ES5 Tube with Box Date Code JE General Electric Triode Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6x5gt-tube-with-box-date-code-kx-6x5-gt-full-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8522.jpg?v=1771536347</image:loc>
      <image:title>(1) Tested RCA 6X5GT Tube with Box Date Code KX 6X5 GT Full Wave Rectifier Tube</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-60fx5-tube-with-box-date-code-bb-rca-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8530.jpg?v=1771536608</image:loc>
      <image:title>(1) Tested RCA 60FX5 Tube with Box Date Code BB RCA Power Pentode Vacuum Tube</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-ge-6ag7-tube-code-62-26-general-electric-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8535.jpg?v=1771536827</image:loc>
      <image:title>(1) Tested Very Strong GE 6AG7 Tube Code 62-26 General Electric Power Pentode</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cd6ga-tube-with-box-date-code-kc-acj-6cd6-ga-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8490.jpg?v=1771537095</image:loc>
      <image:title>(1) Tested Sylvania 6CD6GA Tube with Box Date Code kc ACJ 6CD6 GA Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12ca5-tube-with-box-date-code-kp-12ca5-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8538.jpg?v=1771539777</image:loc>
      <image:title>(1) Tested RCA 12CA5 Tube with Box Date Code KP 12CA5 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-12dq6b-tube-with-box-code-kb-aba-12dq6-b-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8543.jpg?v=1771539937</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 12DQ6B Tube with Box Code kb ABA 12DQ6 B Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5cg8-tube-with-box-date-code-kr-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8551.jpg?v=1771540157</image:loc>
      <image:title>(1) Tested RCA 5CG8 Tube with Box Date Code KR Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sh7-tube-with-box-date-code-pm3-6sh7-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8556.jpg?v=1771540435</image:loc>
      <image:title>(1) Tested Tung Sol 6SH7 Tube with Box Date Code PM3 6SH7 Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12em6-tube-with-box-date-code-lr-diode-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8561.jpg?v=1771540683</image:loc>
      <image:title>(1) Tested RCA 12EM6 Tube with Box Date Code LR Diode Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-star-light-6dq5-tube-with-box-code-66-17-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8566.jpg?v=1771541401</image:loc>
      <image:title>(1) Tested Philco Star Light 6DQ5 Tube with Box Code 66-17 Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-10hf8-tube-with-box-date-code-nr-abv-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8573.jpg?v=1771541646</image:loc>
      <image:title>(1) Tested Sylvania 10HF8 Tube with Box Date Code NR ABV Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sa7-tube-with-box-date-code-252-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8580.jpg?v=1771541821</image:loc>
      <image:title>(1) Tested 1952 Sylvania 6SA7 Tube with Box Code 252 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6s4a-tube-with-box-date-code-k9-medium-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8585.jpg?v=1771542754</image:loc>
      <image:title>(1) Tested RCA 6S4A Tube with Box Date Code K9 Medium Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-25bq6ga-25cu6-tube-and-box-code-ext-25bq6ga-tube-25cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8590.jpg?v=1771542936</image:loc>
      <image:title>(1) Tested Philco 25BQ6GA 25CU6 Tube and Box Code EXT 25BQ6GA Tube 25CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-12ba7-tube-with-box-code-126-pentagrid-converter-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8598.jpg?v=1771543127</image:loc>
      <image:title>(1) Tested Strong Raytheon 12BA7 Tube with Box Code 126 Pentagrid Converter (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bg6ga-tube-red-letter-code-63-26-general-electric-6bg6-ga-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8603.jpg?v=1771543336</image:loc>
      <image:title>(1) Tested GE 6BG6GA Tube Red Letter Code 63-26 General Electric 6BG6 GA Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5an8-tube-with-box-date-code-kq-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8607.jpg?v=1771543501</image:loc>
      <image:title>(1) Tested RCA 5AN8 Tube with Box Date Code KQ Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8cx8-tube-with-box-date-code-bj-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8615.jpg?v=1771622476</image:loc>
      <image:title>(1) Tested RCA 8CX8 Tube with Box Date Code BJ Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7ag7-tube-date-code-8-13-loktal-tube-loctal-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8625.jpg?v=1771622720</image:loc>
      <image:title>(1) Tested 1948 Sylvania 7AG7 Tube Code 8-13 Loktal Tube Loctal Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5t8-tube-with-box-code-kp-triple-diode-high-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8632.jpg?v=1771623034</image:loc>
      <image:title>(1) Tested RCA 5T8 Tube with Box Code KP  Triple Diode High Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ac7-tube-date-code-58-13-general-electric-6ac7-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8637.jpg?v=1771623273</image:loc>
      <image:title>(1) Tested GE 6AC7 Tube Date Code 58-13 General Electric 6AC7 Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6bh6-tube-with-box-date-code-cj-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8643.jpg?v=1771623419</image:loc>
      <image:title>(1) Tested RCA 6BH6 Tube with Box Date Code CJ Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6aq7gt-tube-date-code-64-09-general-electric-6aq7-gt-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8648.jpg?v=1771623690</image:loc>
      <image:title>(1) Tested GE 6AQ7GT Tube Date Code 64-09 General Electric 6AQ7 GT Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-35dz8-tube-with-box-date-code-mi-high-mu-triode-power-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8652.jpg?v=1771623895</image:loc>
      <image:title>(1) Tested RCA 35DZ8 Tube with Box Date Code MI High Mu Triode Power Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6cg3-tube-with-box-date-code-83-02-compactron-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8665.jpg?v=1771624203</image:loc>
      <image:title>(1) Tested Westinghouse 6CG3 Tube with Box Date Code 83-02 Compactron Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12cu5-12c5-tube-with-box-date-code-ef-abf-12cu5-tube-12c5</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8671.jpg?v=1771624477</image:loc>
      <image:title>(1) Tested Sylvania 12CU5 12C5 Tube with Box Date Code ef ABF 12CU5 Tube 12C5</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax4gt-tube-with-box-code-lt-general-electric-6ax4-gt-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8676.jpg?v=1771624722</image:loc>
      <image:title>(1) Tested GE 6AX4GT Tube with Box Code LT General Electric 6AX4 GT Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-12dt5-tube-with-box-canada-date-code-bu-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8688.jpg?v=1771624883</image:loc>
      <image:title>(1) Tested Strong RCA 12DT5 Tube with Box Canada Date Code BU Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7b4-tube-date-code-7-52-triode-loctal-tube-loktal-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8693.jpg?v=1771625107</image:loc>
      <image:title>(1) Tested 1957 Sylvania 7B4 Tube Code 7-52 Triode Loctal Tube Loktal Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12k5-tube-with-box-code-nr-adt-power-tetrode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8705.jpg?v=1771625355</image:loc>
      <image:title>(1) Tested Sylvania 12K5 Tube with Box Code NR ADT Power Tetrode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zytron-6sq7gt-tube-with-box-date-code-708-6sq7-gt-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8710.jpg?v=1771625543</image:loc>
      <image:title>(1) Tested Zytron 6SQ7GT Tube with Box Date Code 708 6SQ7 GT  Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6s4a-tube-and-box-date-code-kp-medium-mu-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8717.jpg?v=1771625926</image:loc>
      <image:title>(1) Tested RCA 6S4A Tube and Box Date Code KP Medium Mu Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-5v6gt-tube-with-box-code-ca-5v6-gt-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8722.jpg?v=1771626048</image:loc>
      <image:title>(1) Tested Sylvania 5V6GT Tube with Box Code CA 5V6 GT Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-8cx8-tube-and-box-date-code-ng-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8620.jpg?v=1771627156</image:loc>
      <image:title>(1) Tested Very Strong RCA 8CX8 Tube and Box Date Code NG Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7ag7-tube-date-code-8-13-pentode-loktal-tube-loctal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8629.jpg?v=1771627571</image:loc>
      <image:title>(1) Tested 1958 Sylvania 7AG7 Tube Date Code 8-13 Pentode Loctal Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-6ac7-ck-1852-tube-code-5713-6ac7-tube-ck1852-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8640.jpg?v=1771627901</image:loc>
      <image:title>(1) Tested Strong Raytheon 6AC7 CK 1852 Tube Code 5713 6AC7 Tube CK1852 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6cg3-tube-and-box-date-code-83-02-compactron-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8665_c63f692f-9dcf-4c6d-a886-f20b8dce4a9b.jpg?v=1771628242</image:loc>
      <image:title>(1) Tested Westinghouse 6CG3 Tube and Box Date Code 83-02 Compactron Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ax4gt-tube-box-red-letters-code-60-17-general-electric-6ax4-gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8682.jpg?v=1771629091</image:loc>
      <image:title>(1) Tested 1960 GE 6AX4GT Tube Red Letters with Box Date Code 60-17</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7b4-tube-date-7-52-triode-loctal-tube-loktal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8700_dd82e79a-e32a-4f18-b1e6-24cdc9911b6a.jpg?v=1771629376</image:loc>
      <image:title>(1) Tested Strong 1957 Sylvania 7B4 Tube Code 7-52 Triode Loctal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-5v6gt-tube-5v6-gt-beam-power-output-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8730.jpg?v=1771629662</image:loc>
      <image:title>(1) Tested Strong Sylvania 5V6GT Tube 5V6 GT Beam Power Output Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6je8-tube-with-box-code-av-high-mu-triode-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8737.jpg?v=1771954408</image:loc>
      <image:title>(1) Tested RCA 6JE8 Tube with Box Code AV High Mu Triode Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-1201-tube-with-box-date-code-28-loktal-tube-type-1201-loctal</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8742.jpg?v=1771954739</image:loc>
      <image:title>(1) Tested Philco 1201 Tube with Box Date Code 28 Loktal Tube Type 1201 Loctal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ky8a-tube-with-box-date-code-hy-general-electric-6ky8-a-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8751.jpg?v=1771955499</image:loc>
      <image:title>(1) Tested GE 6KY8A Tube with Box Date Code HY General Electric 6KY8 A Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12fx5-tube-with-original-box-date-code-ej-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8756.jpg?v=1771955744</image:loc>
      <image:title>(1) Tested RCA 12FX5 Tube with original Box Date Code EJ Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-sylvania-7e7-tube-date-code-7-13-double-diode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8761.jpg?v=1771955972</image:loc>
      <image:title>(1) Tested Strong 1957 Sylvania 7E7 Tube Code 7-13 Double Diode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5aq5-tube-with-original-box-beam-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8775.jpg?v=1771960523</image:loc>
      <image:title>(1) Tested RCA 5AQ5 Tube with Original Box Beam Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6ah4gt-tube-date-code-68-12-general-electric-6ah4-gt-low-mu-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8783.jpg?v=1771960742</image:loc>
      <image:title>(1) Tested GE 6AH4GT Tube Date Code 68-12 General Electric 6AH4 GT Low Mu Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-9au7-tube-with-box-date-code-bg-rca-9au7-double-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8789.jpg?v=1771961061</image:loc>
      <image:title>(1) Tested RCA 9AU7 Tube with Box Date Code BG RCA 9AU7 Double Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-14b8-tube-with-box-date-code-09-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8796.jpg?v=1771961324</image:loc>
      <image:title>(1) Tested Philco 14B8 Tube with Box Date Code 09 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6hq5-tube-with-box-date-code-dv-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8804.jpg?v=1771961622</image:loc>
      <image:title>(1) Tested RCA 6HQ5 Tube with Box Date Code DV Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-itt-7a4-tube-with-box-code-126-loctal-tube-medium-mu-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8810.jpg?v=1771964150</image:loc>
      <image:title>(1) Tested ITT 7A4 Tube with Box Code 126 Loctal Tube Medium Mu Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6eh5-tube-with-box-date-code-ed-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8819.jpg?v=1771964347</image:loc>
      <image:title>(1) Tested RCA 6EH5 Tube with Box Date Code ED Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-14b6-tube-with-box-date-code-w-double-diode-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8824.jpg?v=1771964538</image:loc>
      <image:title>(1) Tested Sylvania 14B6 Tube with Box Date Code W Double Diode Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3bc5-3ce5-tube-with-box-date-code-bn-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8831.jpg?v=1771964846</image:loc>
      <image:title>(1) Tested RCA 3BC5 3CE5 Tube with Box Date Code BN Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-8gn8-tube-with-box-date-code-av-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8837.jpg?v=1771965186</image:loc>
      <image:title>(1) Tested Strong RCA 8GN8 Tube with Box Date Code AV Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6y6gt-tube-with-box-date-code-62-22-general-electric-6y6-gt-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8843.jpg?v=1771965376</image:loc>
      <image:title>(1) Tested GE 6Y6GT Tube with Box Date Code 62-22 General Electric 6Y6 GT Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-6bq6gtb-6cu6-tube-with-box-code-2-09-6bq6-gtb-tube-6cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8851.jpg?v=1771965676</image:loc>
      <image:title>(1) Tested Zenith 6BQ6GTB 6CU6 Tube with Box Code 2-09 6BQ6 GTB Tube 6CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-0z4-tube-date-code-lf-yrm-0z4-gas-rectifier-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9013.jpg?v=1772219783</image:loc>
      <image:title>(1) Tested 1964 Sylvania 0Z4 Tube Date Code lf YRM 0Z4 Gas Rectifier Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1961-sylvania-jhs-5750-6be6w-tube-with-box-code-6130-6be6-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8871.jpg?v=1772220326</image:loc>
      <image:title>(1) Tested 1961 Sylvania JHS 5750 6BE6W Tube with Box Code 6130 6BE6 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-daystrom-nichimen-6al5-tube-made-in-japan-date-code-0k-twin-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8894.jpg?v=1772220632</image:loc>
      <image:title>(1) Tested Daystrom Nichimen 6AL5 Tube Made in Japan Date Code 0K Twin Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1961-sylvania-jhs-5654-6ak5w-tube-with-box-mil-spec-6ak5-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8931.jpg?v=1772221651</image:loc>
      <image:title>(1) Tested 1961 Sylvania JHS 5654 6AK5W Tube with Box Mil Spec 6AK5 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-5651-tube-and-box-61-13-general-electric-voltage-regulator</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8959.jpg?v=1772222321</image:loc>
      <image:title>(1) Tested Strong GE 5651 Tube and Box 61-13 General Electric Voltage Regulator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50y6gt-tube-code-do-50y6-gt-rectifier-doubler-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8971.jpg?v=1772223526</image:loc>
      <image:title>(1) Tested RCA 50Y6GT Tube Code DO 50Y6 GT Rectifier Doubler Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-15bd11a-tube-with-box-date-code-fw-double-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9001.jpg?v=1772224221</image:loc>
      <image:title>(1) Tested RCA 15BD11A Tube with Box Date Code FW Double Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6sa7-tube-with-box-date-code-243-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9008.jpg?v=1772224600</image:loc>
      <image:title>(1) Tested Very Strong RCA 6SA7 Tube with Box Date Code 243 Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ax4gtb-tube-with-box-code-dw-coin-base-rca-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9018.jpg?v=1772226058</image:loc>
      <image:title>(1) Tested RCA 6AX4GTB Tube with Box Code DW Coin Base RCA 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-50c5-tube-with-box-date-code-ew-general-electric-beam-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9035.jpg?v=1772227273</image:loc>
      <image:title>(1) Tested GE 50C5 Tube with Box Date Code EW General Electric Beam Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cl6-tube-date-code-61-35-general-electric-power-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9041.jpg?v=1772227494</image:loc>
      <image:title>(1) Tested GE 6CL6 Tube Date Code 61-35 General Electric Power Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-sylvania-jan-chs-35a5-tube-with-box-loctal-power-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9059.jpg?v=1772227659</image:loc>
      <image:title>(1) Tested 1944 Sylvania JAN CHS 35A5 Tube with Box Loctal Power Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1961-ge-jg-6005-6aq5w-tube-and-box-code-62-30-general-electric-6aq5-w</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9070.jpg?v=1772228184</image:loc>
      <image:title>(1) Tested 1961 GE JG 6005 6AQ5W Tube and Box Code 62-30 General Electric 6AQ5 W</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1961-sylvania-jhs-5750-6be6w-tubes-code-6130-6be6-w-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8878.jpg?v=1772229336</image:loc>
      <image:title>Tested Matched Pair 1961 Sylvania JHS 5750 6BE6W Tubes Code 6130 6BE6 W Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1959-raytheon-jrp-5726-6al5w-6097-tubes-date-codes-59-24</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8898.jpg?v=1772229943</image:loc>
      <image:title>Tested Matched Pair 1959 Raytheon JRP 5726 6AL5W 6097 Tubes Date Codes 59-24</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1965-sylvania-jhs-5654-6ak5w-tube-code-65-03-mil-spec-6ak5-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8937.jpg?v=1772230400</image:loc>
      <image:title>(1) Tested 1965 Sylvania JHS 5654 6AK5W Tube Code 65-03 Mil Spec 6AK5 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-5651-tube-with-box-date-code-6230-voltage-regulator-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8965.jpg?v=1772230878</image:loc>
      <image:title>(1) Tested RCA 5651 Tube with Box Date Code 6230 Voltage Regulator Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-50y6gt-tube-with-box-code-nb-50y6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8980.jpg?v=1772231392</image:loc>
      <image:title>(1) Tested Balanced RCA 50Y6GT Tube with Box Code NB 50Y6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-0z4-tube-with-box-code-lf-yrm-0z4-gas-rectifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8995.jpg?v=1772231654</image:loc>
      <image:title>(1) Tested 1964 Sylvania 0Z4 Tube and Box Code lf YRM 0Z4 Gas Rectifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6ax4gt-tube-date-code-428-3-6ax4-gt-half-wave-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9027.jpg?v=1772232392</image:loc>
      <image:title>(1) Tested 1954 Tung Sol 6AX4GT Tube Code 428-3 6AX4 GT Half Wave Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6cl6-tube-with-box-date-code-aw-power-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9044.jpg?v=1772232717</image:loc>
      <image:title>(1) Tested RCA 6CL6 Tube with Box Date Code AW Power Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-35a5-tube-mil-spec-loctal-power-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9066.jpg?v=1772233156</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 35A5 Tube Mil Spec Loctal Power Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1962-sylvania-jhs-6005-6aq5w-tube-box-gold-letters-code-62-30-6aq5-w</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9076.jpg?v=1772233560</image:loc>
      <image:title>(1) Tested 1962 Sylvania JHS 6005 6AQ5W Tube Box Gold Letters Code 62-30 6AQ5 W</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1961-sylvania-jhs-5750-6be6w-tubes-with-boxes-code-6130</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8881.jpg?v=1772419561</image:loc>
      <image:title>Tested Matched Pair 1961 Sylvania JHS 5750 6BE6W Tubes with Boxes Code 6130</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1961-sylvania-jhs-5726-6al5w-tubes-gold-letters-codes-61-37</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8905.jpg?v=1772420139</image:loc>
      <image:title>Tested Matched Pair 1961 Sylvania JHS 5726 6AL5W Tubes Gold Letters Codes 61-37</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-5654-tube-6ak5-code-bk-sharp-cutoff-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8941.jpg?v=1772420680</image:loc>
      <image:title>(1) Tested Very Strong RCA 5654 Tube (6AK5) Code BK Sharp Cutoff Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50y6gt-tube-with-box-code-kp-50y6-gt-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8987.jpg?v=1772421183</image:loc>
      <image:title>(1) Tested RCA 50Y6GT Tube with Box Code KP 50Y6 GT Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ax4gtb-tube-date-code-ak-6ax4-gtb-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9031.jpg?v=1772426532</image:loc>
      <image:title>(1) Tested RCA 6AX4GTB Tube Date Code AK 6AX4 GTB Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cl6-tube-date-code-61-35-general-electric-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9049.jpg?v=1772426657</image:loc>
      <image:title>(1) Tested GE 6CL6 Tube Date Code 61-35 General Electric Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1961-sylvania-jhs-5750-6be6w-tube-with-box-code-6110-6be6-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8888.jpg?v=1772427109</image:loc>
      <image:title>(1) Tested 1961 Sylvania JHS 5750 6BE6W Tube with Box Code 6110 6BE6 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1962-gold-letters-sylvania-jhs-5726-6al5w-tubes-codes-62-09</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8909.jpg?v=1772427751</image:loc>
      <image:title>Tested Matched Pair 1962 Gold Letters Sylvania JHS 5726 6AL5W Tubes Codes 62-09</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-of-1962-rca-jrc-5654-6ak5w-tubes-with-boxes-date-codes-62-13</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8945.jpg?v=1772428277</image:loc>
      <image:title>Tested Matched Pair of 1962 RCA JRC 5654 6AK5W Tubes with Boxes Date Codes 62-13</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-50y6gt-tube-code-do-50y6-gt-rectifier-doubler-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8976.jpg?v=1772428766</image:loc>
      <image:title>(1) Tested Balanced RCA 50Y6GT Tube Code DO 50Y6 GT Rectifier Doubler Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1962-gold-letters-sylvania-jhs-5726-6al5w-tube-6al5-w-code-62-09-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8917.jpg?v=1772430030</image:loc>
      <image:title>(1) Tested 1962 Gold Letters Sylvania JHS 5726 6AL5W Tube 6AL5 W Code 62-09 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1962-rca-jrc-5654-6ak5w-tube-with-box-code-62-13-rca-mil-spec-6ak5-w-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8952.jpg?v=1772430581</image:loc>
      <image:title>1962 RCA JRC 5654 6AK5W Tube with Box Code 62-13 RCA Mil Spec 6AK5 W Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1962-sylvania-jhs-5726-6al5w-tube-gold-letters-6al5-w-code-62-09-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_8924_f21b7a44-66ab-4d3e-9745-3c456cdc47b7.jpg?v=1772430711</image:loc>
      <image:title>(1) Tested 1962 Sylvania JHS 5726 6AL5W Tube Gold Letters 6AL5 W Code 62-09 (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bn11-tube-with-box-date-code-el-general-electric-double-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9088.jpg?v=1772494080</image:loc>
      <image:title>(1) Tested GE 6BN11 Tube with Box Date Code EL General Electric Double Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1958-tung-sol-jtl-5749-6ba6w-tube-and-box-code-58-27-mil-spec-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9094.jpg?v=1772494478</image:loc>
      <image:title>(1) Tested 1958 Tung Sol JTL 5749 6BA6W Tube and Box Code 58-27 Mil Spec Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-50y7gt-tube-with-box-date-code-59-08-50y7-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9104.jpg?v=1772495009</image:loc>
      <image:title>(1) Tested Philco 50Y7GT Tube with Box Date Code 59-08 50Y7 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-6af3-tube-with-box-date-code-nd-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9110.jpg?v=1772495470</image:loc>
      <image:title>(1) Tested Very Strong RCA 6AF3 Tube with Box Date Code ND Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-25w4gt-tube-with-box-code-1-30-general-electric-25w4-gt-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9115.jpg?v=1772495885</image:loc>
      <image:title>(1) Tested GE 25W4GT Tube with Box Code 1-30 General Electric 25W4 GT Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-8bq5-tube-with-box-date-code-nd-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9122.jpg?v=1772496171</image:loc>
      <image:title>(1) Tested Very Strong RCA 8BQ5 Tube with Box Date Code ND Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bq6gtb-6cu6-tube-date-code-il-ada-6bq6-gtb-tube-6cu6-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9127.jpg?v=1772496368</image:loc>
      <image:title>(1) Tested Sylvania 6BQ6GTB/6CU6 Tube Date Code il ADA 6BQ6 GTB Tube 6CU6 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-nec-nippon-6x4-tube-code-27-western-electric-japan-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9131.jpg?v=1772496571</image:loc>
      <image:title>(1) Tested NEC Nippon 6X4 Tube Code 27 (Western Electric Japan) Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6m11-tube-with-box-date-code-bg-double-triode-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9135.jpg?v=1772497312</image:loc>
      <image:title>(1) Tested RCA 6M11 Tube with Box Date Code BG Double Triode Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6v3a-tube-with-box-date-code-ms-6v3-a-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9142.jpg?v=1772497568</image:loc>
      <image:title>(1) Tested RCA 6V3A Tube with Box Date Code MS 6V3 A Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6cg3-6bw3-tube-and-box-date-code-hl-att-compactron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9150.jpg?v=1772577557</image:loc>
      <image:title>(1) Tested Sylvania 6CG3 6BW3 Tube and Box Date Code hl ATT Compactron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1959-tung-sol-jtl-5749-6ba6w-tube-code-59-05-mil-spec-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9101.jpg?v=1772577746</image:loc>
      <image:title>(1) Tested 1959 Tung Sol JTL 5749 6BA6W Tube Code 59-05 Mil Spec Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6x8-tube-with-box-code-kr3-triode-pentode-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9157.jpg?v=1772577999</image:loc>
      <image:title>(1) Tested Tung Sol 6X8 Tube with Box Code KR3 Triode Pentode Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-12sa7-tube-with-box-date-code-nr-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9163.jpg?v=1772578205</image:loc>
      <image:title>(1) Tested Very Strong RCA 12SA7 Tube with Box Date Code NR Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-12cu5-12c5-tube-with-box-code-58-09-12cu5-tube-12c5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9168.jpg?v=1772578491</image:loc>
      <image:title>(1) Tested Admiral 12CU5/12C5 Tube with Box Code 58-09 12CU5 Tube 12C5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w6gt-tube-with-box-date-code-kt-rca-6w6-gt-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9182.jpg?v=1772579166</image:loc>
      <image:title>(1) Tested RCA 6W6GT Tube with Box Date Code KT RCA 6W6 GT Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-35b5-tube-with-box-date-code-dd-beam-power-output-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9187.jpg?v=1772579347</image:loc>
      <image:title>(1) Tested CBS 35B5 Tube with Box Date Code DD Beam Power Output Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-2050a-tube-with-box-date-code-7217-2050-a-thyratron-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9193.jpg?v=1772579854</image:loc>
      <image:title>(1) Tested RCA 2050A Tube with Box Date Code 7217 2050 A Thyratron Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-2d21-tube-with-box-date-code-722-tetrode-thyratron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9199.jpg?v=1772580116</image:loc>
      <image:title>(1) Tested 1957 Sylvania 2D21 Tube with Box Date Code 722 Tetrode Thyratron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6gc5-tube-with-box-noval-base-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9205.jpg?v=1772580355</image:loc>
      <image:title>(1) Tested RCA 6GC5 Tube with Box Noval Base Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-raytheon-12ba7-tube-and-box-code-126-pentagrid-converter-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9211.jpg?v=1772580617</image:loc>
      <image:title>(1) Tested Strong Raytheon 12BA7 Tube and Box Code 126 Pentagrid Converter (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-50y7gt-tube-with-box-date-code-0-52-50y7-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9216.jpg?v=1772580846</image:loc>
      <image:title>(1) Tested 1950 Sylvania 50Y7GT Tube with Box Code 0-52 50Y7 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12cu5-12c5-tube-with-box-date-code-l3-12cu5-tube-12c5-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9174.jpg?v=1772581087</image:loc>
      <image:title>(1) Tested RCA 12CU5 12C5 Tube with Box Date Code L3 12CU5 Tube 12C5 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12bl6-tube-with-box-date-code-62-22-general-electric-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9224.jpg?v=1772581446</image:loc>
      <image:title>(1) Tested GE 12BL6 Tube with Box Date Code 62-22 General Electric Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6ax5gt-tube-with-box-code-107-6ax5-gt-full-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9231_892cf811-a920-4c57-9b21-3e599c618dd9.jpg?v=1772581925</image:loc>
      <image:title>(1) Tested 1951 Tung Sol 6AX5GT Tube &amp; Box Code 107 6AX5 GT Full Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-9au7-tube-and-box-date-code-nf-rca-9au7-double-triode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9266.jpg?v=1772583340</image:loc>
      <image:title>(1) Tested RCA 9AU7 Tube and Box Date Code NF RCA 9AU7 Double Triode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-philco-5az4-tube-with-box-loctal-tube-loktal-tube-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9239.jpg?v=1772639514</image:loc>
      <image:title>(1) Tested Philco 5AZ4 Tube with Box Loctal Tube Loktal Tube Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12cn5-tube-with-box-date-code-my-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9247.jpg?v=1772639896</image:loc>
      <image:title>(1) Tested RCA 12CN5 Tube with Box Date Code MY Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6sa7-tube-and-box-date-code-9-48-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9253.jpg?v=1772640037</image:loc>
      <image:title>(1) Tested Strong GE 6SA7 Tube and Box Date Code 9-48 Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-50x6-tube-with-box-date-code-8-52-loctal-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9277.jpg?v=1772640292</image:loc>
      <image:title>(1) Tested Balanced 1958 Sylvania 50X6 Tube with Box Code 8-52 Loctal Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ej7-ef184-tube-with-box-made-in-germany-date-code-dc-6ej7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9286.jpg?v=1772640629</image:loc>
      <image:title>(1) Tested 1970 RCA 6EJ7 EF184 Tube with Box Made in Germany Code DC 6EJ7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-national-union-25z6gt-tube-with-box-code-5252-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9293.jpg?v=1772640952</image:loc>
      <image:title>(1) Tested Balanced National Union 25Z6GT Tube with Box Code 5252 Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6hs8-tube-with-box-japan-code-j-16-sharp-cutoff-twin-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9300.jpg?v=1772641190</image:loc>
      <image:title>(1) Tested Raytheon 6HS8 Tube with Box Japan Code J-16 Sharp Cutoff Twin Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-7ag7-tube-with-box-sharp-cutoff-pentode-loctal-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9306.jpg?v=1772647390</image:loc>
      <image:title>(1) Tested Hytron 7AG7 Tube with Box Sharp Cutoff Pentode Loctal Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12br7-tube-with-box-date-code-av-twin-diode-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9314.jpg?v=1772647643</image:loc>
      <image:title>(1) Tested RCA 12BR7 Tube with Box Date Code AV Twin Diode Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-117z6gt-tube-with-box-date-code-239-117z6-gt-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9319.jpg?v=1772647858</image:loc>
      <image:title>(1) Tested Raytheon 117Z6GT Tube with Box Date Code 239 117Z6 GT Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-12db5-tube-with-box-date-code-mi-rca-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9327.jpg?v=1772648072</image:loc>
      <image:title>(1) Tested RCA 12DB5 Tube with Box Date Code MI RCA Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50a5-tube-with-box-date-code-kj-tube-50a5-loctal-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9335.jpg?v=1772648282</image:loc>
      <image:title>(1) Tested RCA 50A5 Tube with Box Date Code KJ Tube 50A5 Loctal Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6u10-tube-with-box-date-code-ck-afg-triple-triode-compactron</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9341.jpg?v=1772648512</image:loc>
      <image:title>(1) Tested Sylvania 6U10 Tube with Box Date Code ck AFG Triple Triode Compactron</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12af6-tube-with-box-date-code-57-04-general-electric-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9349.jpg?v=1772651511</image:loc>
      <image:title>(1) Tested GE 12AF6 Tube with Box Date Code 57-04 General Electric Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-0z4-tube-with-box-code-bx-0z4-gas-rectifier-metal-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9355.jpg?v=1772651740</image:loc>
      <image:title>(1) Tested RCA 0Z4 Tube with Box Code BX 0Z4 Gas Rectifier Metal Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-12au6-tube-with-box-date-code-ha-acg-sharp-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9360.jpg?v=1772651888</image:loc>
      <image:title>(1) Tested Sylvania 12AU6 Tube with Box Date Code ha ACG Sharp Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-6ax4gtb-tube-box-date-code-9j-japan-6ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9365.jpg?v=1772652047</image:loc>
      <image:title>(1) Tested Lindal 6AX4GTB Tube &amp; Box Date Code 9J Japan 6AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-8cm7-tube-with-box-date-code-ni-rca-double-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9377.jpg?v=1772653894</image:loc>
      <image:title>(1) Tested RCA 8CM7 Tube with Box Date Code NI RCA Double Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6bh11-tube-with-box-code-hk-aal-twin-triode-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9383.jpg?v=1772654206</image:loc>
      <image:title>(1) Tested Sylvania 6BH11 Tube with Box Code hk AAL Twin Triode Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-raytheon-6ju8a-tube-and-box-japan-code-hd-quadruple-diode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9389.jpg?v=1772654452</image:loc>
      <image:title>(1) Tested Balanced Raytheon 6JU8A Tube and Box Japan Code HD Quadruple Diode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-7h7-tube-with-box-date-code-830-pentode-loctal-tube-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9395.jpg?v=1772655042</image:loc>
      <image:title>(1) Tested RCA 7H7 Tube with Box Date Code 830 Pentode Loctal Tube Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-50b5-tube-with-box-date-code-mz-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9402.jpg?v=1772655230</image:loc>
      <image:title>(1) Tested RCA 50B5 Tube with Box Date Code MZ Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strog-rca-6sa7-tube-with-box-date-code-kc-pentagrid-converter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9260.jpg?v=1772655378</image:loc>
      <image:title>(1) Tested Very Strog RCA 6SA7 Tube with Box Date Code KC Pentagrid Converter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-9au7-tube-with-box-date-code-nf-rca-9au7-double-triode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9271.jpg?v=1772655644</image:loc>
      <image:title>(1) Tested Strong RCA 9AU7 Tube with Box Date Code NF RCA 9AU7 Double Triode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6bf11-with-box-date-code-sz-general-electric-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9417.jpg?v=1772741373</image:loc>
      <image:title>(1) Tested GE 6BF11 with Box Date Code SZ General Electric Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ds5-tube-with-box-date-code-nd-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9424.jpg?v=1772741763</image:loc>
      <image:title>(1) Tested RCA 6DS5 Tube with Box Date Code ND Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6fm7-tube-with-box-date-code-lf-general-electric-dual-triode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9430.jpg?v=1772742002</image:loc>
      <image:title>(1) Tested GE 6FM7 Tube with Box Date Code LF General Electric Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-3bc5-tube-with-box-date-code-kq-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9437.jpg?v=1772742491</image:loc>
      <image:title>(1) Tested RCA 3BC5 Tube with Box Date Code KQ Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-25z6gt-tube-with-box-code-6-52-high-vacuum-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9445.jpg?v=1772742749</image:loc>
      <image:title>(1) Tested 1956 Sylvania 25Z6GT Tube with Box Code 6-52 High Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6bk5-tube-with-box-date-code-ay-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9453.jpg?v=1772742951</image:loc>
      <image:title>(1) Tested Strong RCA 6BK5 Tube with Box Date Code AY Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6ac7-tube-with-box-code-517-sharp-cut-off-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9457.jpg?v=1772745630</image:loc>
      <image:title>(1) Tested Truetone 6AC7 Tube with Box Code 517 Sharp Cut Off Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-12r5-tube-and-box-code-58-17-general-electric-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9463.jpg?v=1772745913</image:loc>
      <image:title>(1) Tested Strong GE 12R5 Tube and Box Code 58-17 General Electric Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rad-tel-7f8-tube-and-box-code-1-66-dual-triode-loctal-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9468.jpg?v=1772746519</image:loc>
      <image:title>(1) Tested Rad Tel 7F8 Tube and Box Code 1-66 Dual Triode Loctal Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12ad6-tube-with-box-date-code-61-48-general-electric-heptode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9475.jpg?v=1772746670</image:loc>
      <image:title>(1) Tested GE 12AD6 Tube with Box Date Code 61-48 General Electric Heptode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6h6-tube-with-box-code-c22-black-metal-twin-diode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9481.jpg?v=1772746866</image:loc>
      <image:title>(1) Tested Raytheon 6H6 Tube with Box Code C22 Black Metal Twin Diode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6by6-tube-with-box-date-code-bk-heptode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9487.jpg?v=1772747122</image:loc>
      <image:title>(1) Tested Strong RCA 6BY6 Tube with Box Date Code BK Heptode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6ax4gtb-tube-with-box-date-code-6535-6ax4-gtb-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9496.jpg?v=1773074449</image:loc>
      <image:title>(1) Tested Truetone 6AX4GTB Tube with Box Date Code 6535 6AX4 GTB Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au4gta-tube-coin-base-red-letters-with-box-date-code-emc-gh</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9514.jpg?v=1773075111</image:loc>
      <image:title>(1) Tested Sylvania 6AU4GTA Tube Coin Base Red Letters with Box Date Code EMC gh</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-7y4-tube-with-box-code-hc-loctal-tube-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9538.jpg?v=1773075841</image:loc>
      <image:title>(1) Tested National Union 7Y4 Tube with Box Code HC Loctal Tube Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6w6gt-tube-with-box-date-code-bu-6w6-gt-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9828.jpg?v=1773077360</image:loc>
      <image:title>(1) Tested RCA 6W6GT Tube with Box Date Code BU 6W6 GT Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-1944-rca-jan-crc-1635-tube-with-box-date-code-h3-dual-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9571.jpg?v=1773077835</image:loc>
      <image:title>(1) Tested Balanced 1944 RCA JAN CRC 1635 Tube with Box Date Code H3 Dual Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-03g-tube-ballast-tube-for-sky-king-tube-radio-air-king-tube-radio-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9587.jpg?v=1773080667</image:loc>
      <image:title>(1) Tested 03G Tube Ballast Tube For Sky King Tube Radio Air King Tube Radio (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-dumont-6d10-tube-with-box-high-mu-triple-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9593.jpg?v=1773080955</image:loc>
      <image:title>(1) Tested DuMont 6D10 Tube with Box High Mu Triple Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-13gb5-xl500-tube-magnoval-pins-date-code-a51-x312-holland</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9601.jpg?v=1773081455</image:loc>
      <image:title>(1) Tested RCA 13GB5 XL500 Tube Magnoval Pins Date Code A51 X312 Holland</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-12sj7-tube-red-letters-and-box-code-63-22-general-electric-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9610.jpg?v=1773083747</image:loc>
      <image:title>(1) Tested GE 12SJ7 Tube Red Letters and Box Code 63-22 General Electric Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fy5-ec97-tube-with-box-great-britain-code-bq-high-mu-triode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9616.jpg?v=1773084060</image:loc>
      <image:title>(1) Tested RCA 6FY5 EC97 Tube with Box Great Britain Code BQ High Mu Triode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6fm7-tube-with-box-date-code-ec-ezz-dual-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9622.jpg?v=1773084260</image:loc>
      <image:title>(1) Tested Sylvania 6FM7 Tube with Box Date Code ec EZZ Dual Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-mullard-blackburn-6eh7-ef183-tube-with-box-etched-date-code-b1j4</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9630.jpg?v=1773084482</image:loc>
      <image:title>(1) Tested Mullard Blackburn 6EH7 EF183 Tube with Box Etched Date Code B1J4</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-13fm7-15fm7-tube-with-box-date-code-nr-aah-oscillator-amplifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9639.jpg?v=1773091354</image:loc>
      <image:title>(1) Tested RCA 13FM7 15FM7 Tube with Box Date Code NR AAH Oscillator Amplifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-mullard-blackburn-6dx8-ecl84-tube-with-box-etched-code-b61l1</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9646.jpg?v=1773091676</image:loc>
      <image:title>(1) Tested GE Mullard Blackburn 6DX8 ECL84 Tube with Box Etched Code B61L1</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rad-tel-7f8-tube-code-1-66-dual-triode-loctal-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9654.jpg?v=1773091906</image:loc>
      <image:title>(1) Tested Very Strong Rad Tel 7F8 Tube Code 1-66 Dual Triode Loctal Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-lindal-4jd6-tube-with-box-made-in-japan-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9660.jpg?v=1773092173</image:loc>
      <image:title>(1) Tested Lindal 4JD6 Tube with Box Made in Japan Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6bq6gtb-6cu6-tube-with-box-date-code-h-16-made-in-japan</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9673.jpg?v=1773092453</image:loc>
      <image:title>(1) Tested Raytheon 6BQ6GTB 6CU6 Tube with Box Date Code H-16 Made in Japan</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6av5gt-tube-date-code-448-rca-eia-6av5-gt-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9679.jpg?v=1773093234</image:loc>
      <image:title>(1) Tested Truetone 6AV5GT Tube Date Code 448 RCA EIA 6AV5 GT Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-5812-tube-date-code-62-13-rf-beam-pentode-vacuum-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9779.jpg?v=1773155236</image:loc>
      <image:title>(1) Tested Hytron 5812 Tube Date Code 62-13 RF Beam Pentode Vacuum Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6da4a-6dm4a-tube-with-box-red-letters-code-dc-edp-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9709.jpg?v=1773155746</image:loc>
      <image:title>(1) Tested Sylvania 6DA4A 6DM4A Tube with Box Red Letters Code dc EDP Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ibm-7062-tube-8a-thick-gray-plates-tall-d-banded-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9790.jpg?v=1773156070</image:loc>
      <image:title>(1) Tested Strong IBM 7062 Tube ◿8A Thick Gray Plates Tall D Banded Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-6ax4gtb-tube-with-box-code-j-22-japan-6ax4-gtb-rectifier-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9502.jpg?v=1773159283</image:loc>
      <image:title>(1) Tested Raytheon 6AX4GTB Tube with Box Code J-22 Japan 6AX4 GTB Rectifier (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-11kv8-tube-with-box-date-code-0-39-sylvania-eia-triode-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9686.jpg?v=1773159716</image:loc>
      <image:title>(1) Tested Zenith 11KV8 Tube with Box Date Code 0-39 Sylvania EIA Triode Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6au4gta-tube-code-6513-rca-eia-rectifier-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9533.jpg?v=1773159977</image:loc>
      <image:title>(1) Tested Truetone 6AU4GTA Tube Code 6513 RCA EIA Rectifier Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-philco-6bh6-tube-with-box-sharp-cutoff-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9703.jpg?v=1773160256</image:loc>
      <image:title>(1) Tested Strong Philco 6BH6 Tube with Box Sharp Cutoff Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6au4gta-tube-with-box-code-db-ejx-6au4-gta-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9521.jpg?v=1773160516</image:loc>
      <image:title>(1) Tested Sylvania 6AU4GTA Tube with Box Code db EJX 6AU4 GTA Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6fm7-tube-with-box-6fm7-rca-dual-triode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9694.jpg?v=1773163408</image:loc>
      <image:title>(1) Tested RCA 6FM7 Tube with Box 6FM7 RCA Dual Triode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6cu5-with-box-date-code-lw-general-electric-power-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9721.jpg?v=1773165370</image:loc>
      <image:title>(1) Tested GE 6CU5 with Box Date Code LW General Electric Power Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6d10-tube-with-box-high-mu-triple-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9726.jpg?v=1773165515</image:loc>
      <image:title>(1) Tested RCA 6D10 Tube with Box High Mu Triple Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6ac7-tube-date-code-248-sharp-cut-off-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9735.jpg?v=1773165862</image:loc>
      <image:title>(1) Tested Truetone 6AC7 Tube Date Code 248 Sharp Cut Off Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6cg7-tube-with-box-date-code-py-1-gray-plates-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9741.jpg?v=1773166455</image:loc>
      <image:title>(1) Tested Tung Sol 6CG7 Tube with Box Date Code PY-1 Gray Plates Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-6ay3-tube-with-box-code-db-auw-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9746.jpg?v=1773166741</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 6AY3 Tube with Box Code db AUW Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6ag7-tube-red-letters-code-61-43-general-electric-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9838.jpg?v=1773173162</image:loc>
      <image:title>(1) Tested Strong GE 6AG7 Tube Red Letters Code 61-43 General Electric Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-5812-tube-date-code-62-13-rf-beam-pentode-vacuum-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9783_46c60e9e-7008-41ef-a805-219a1c19fc8e.jpg?v=1773174742</image:loc>
      <image:title>(1) Tested Hytron 5812 Tube Date Code 62-13 RF Beam Pentode Vacuum Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7y4-tube-with-box-code-3-52-loctal-tube-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9550.jpg?v=1773175005</image:loc>
      <image:title>(1) Tested Sylvania 7Y4 Tube with Box Code 3-52 Loctal Tube Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-6414-tube-triple-mica-gray-plates-o-ring-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9802.jpg?v=1773175260</image:loc>
      <image:title>(1) Tested Strong GE 6414 Tube Triple Mica Gray Plates O Ring Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6ax4gtb-tube-with-box-date-code-6513-6ax4-gtb-rectifier-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9508.jpg?v=1773176326</image:loc>
      <image:title>(1) Tested Truetone 6AX4GTB Tube with Box Date Code 6513 6AX4 GTB Rectifier Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-westinghouse-6ds5-tube-and-box-date-code-61-26-beam-power-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9754.jpg?v=1773176584</image:loc>
      <image:title>(1) Tested Westinghouse 6DS5 Tube and Box Date Code 61-26 Beam Power Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6de4-tube-with-box-date-code-dc-ega-6de4-half-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9760.jpg?v=1773178317</image:loc>
      <image:title>(1) Tested Sylvania 6DE4 Tube with Box Date Code dc EGA 6DE4 Half Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rauland-6ca5-tube-with-box-date-code-6122-rca-eia-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9766.jpg?v=1773178490</image:loc>
      <image:title>(1) Tested Rauland 6CA5 Tube with Box Date Code 6122 RCA EIA Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-jan-crc-1635-tube-date-code-h4e-mil-spec-dual-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9578.jpg?v=1773178762</image:loc>
      <image:title>(1) Tested 1944 RCA JAN CRC 1635 Tube Date Code H4E Mil Spec Dual Triode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6dn7-tube-with-box-red-letters-date-code-de-ean-dual-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9772.jpg?v=1773179192</image:loc>
      <image:title>(1) Tested Sylvania 6DN7 Tube with Box Red Letters Date Code de EAN Dual Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-35z5gt-tube-date-code-ht3-half-wave-rectifier-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9811.jpg?v=1773179441</image:loc>
      <image:title>(1) Tested Tung Sol 35Z5GT Tube Date Code HT3 Half Wave Rectifier Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-cbs-5v6gt-tube-date-code-pa-beam-power-tube-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9815.jpg?v=1773179759</image:loc>
      <image:title>(1) Tested Very Strong CBS 5V6GT Tube Date Code PA  Beam Power Tube Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-7b8-tube-date-code-7-13-loctal-tube-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9819.jpg?v=1773179984</image:loc>
      <image:title>(1) Tested 1957 Sylvania 7B8 Tube Code 7-13 Loctal Tube Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hytron-5812-tube-date-code-9-13-rf-beam-pentode-vacuum-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9787.jpg?v=1773180779</image:loc>
      <image:title>(1) Tested Hytron 5812 Tube Date Code 9-13 RF Beam Pentode Vacuum Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6w6gt-tube-with-box-date-code-bl-beam-pentode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9564.jpg?v=1773180969</image:loc>
      <image:title>(1) Tested 1955 Sylvania 6W6GT Tube with Box Date Code BL Beam Pentode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-ge-jan-6ag7y-tube-code-69-35-general-electric-6ag7-y-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9822.jpg?v=1773181198</image:loc>
      <image:title>(1) Tested Strong GE JAN 6AG7Y Tube Code 69-35 General Electric 6AG7 Y Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-ibm-6414-tube-code-028-triple-mica-gray-plates-o-ring-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9806.jpg?v=1773181351</image:loc>
      <image:title>(1) Tested GE IBM 6414 Tube Code 028 Triple Mica Gray Plates O Ring Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6au4gta-tube-with-box-code-6513-rca-eia-rectifier-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9526.jpg?v=1773181785</image:loc>
      <image:title>(1) Tested Truetone 6AU4GTA Tube with Box Code 6513 RCA EIA Rectifier Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-western-union-6sj7-tube-date-code-6622-rca-eia-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9845.jpg?v=1773332331</image:loc>
      <image:title>(1) Tested Western Union 6SJ7 Tube Date Code 6622 RCA EIA Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-17c5-17cu5-tube-with-box-date-code-abc-hh-17c5-tube-17cu5</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9848.jpg?v=1773332560</image:loc>
      <image:title>(1) Tested Sylvania 17C5 17CU5 Tube with Box Date Code ABC hh 17C5 Tube 17CU5</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-truetone-1c5gt-tube-date-code-8-30-ge-eia-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9854.jpg?v=1773332747</image:loc>
      <image:title>(1) Tested Very Strong Truetone 1C5GT Tube Date Code 8-30 GE EIA Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-western-electric-jan-6as6-tubes-dual-control-pentode-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9858.jpg?v=1773333052</image:loc>
      <image:title>Tested Matched Pair Western Electric JAN 6AS6 Tubes Dual Control Pentode Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-6y6ga-tube-date-code-ab-rca-6y6-black-plate-beam-power</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9866.jpg?v=1773333476</image:loc>
      <image:title>(1) Tested Strong RCA 6Y6GA Tube Date Code AB RCA 6Y6 Black Plate Beam Power</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-rca-18fx6a-tube-with-box-date-code-at-pentagrid-converter-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9870.jpg?v=1773337004</image:loc>
      <image:title>(1) Tested Strong RCA 18FX6A Tube with Box Date Code AT Pentagrid Converter Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-philco-7a6-tube-code-p4-loctal-double-diode-loktal-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9876.jpg?v=1773337383</image:loc>
      <image:title>(1) Tested Balanced 1944 Philco 7A6 Tube Code P4 Loctal Double Diode Loktal Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ken-rad-jkr-9006-tube-date-code-z4-mil-spec-single-diode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9880.jpg?v=1773337586</image:loc>
      <image:title>(1) Tested Ken Rad JKR 9006 Tube Date Code Z4 Mil Spec Single Diode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ge-6a8g-tube-pentagrid-converter-general-electric-6a8-g-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9884.jpg?v=1773338041</image:loc>
      <image:title>(1) Tested GE 6A8G Tube Pentagrid Converter General Electric 6A8 G Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-zenith-11cy7-tube-with-box-date-code-58-22-double-triode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9887.jpg?v=1773339233</image:loc>
      <image:title>(1) Tested Zenith 11CY7 Tube with Box Date Code 58-22 Double Triode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6k8gt-tube-date-code-752-6k8-gt-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9893.jpg?v=1773339518</image:loc>
      <image:title>(1) Tested Tung Sol 6K8GT Tube Date Code 752 6K8 GT Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-hytron-jhy-9001-tube-military-spec-pentode-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9897.jpg?v=1773339732</image:loc>
      <image:title>(1) Tested Very Strong Hytron JHY 9001 Tube Military Spec Pentode Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-ken-rad-jan-7193-tube-date-code-t4-mil-spec-black-plate-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9927.jpg?v=1773691139</image:loc>
      <image:title>(1) Tested 1944 Ken Rad JAN 7193 Tube Date Code T4 Mil Spec Black Plate Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-philco-12sn7gta-tubes-codes-bac-black-plates-halo-getters-12sn7gt-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9921.jpg?v=1773691632</image:loc>
      <image:title>Matched Pair Philco 12SN7GTA Tubes Codes BAC Black Plates Halo Getters 12SN7GT A</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1945-sylvania-jan-chs-6j6-tube-and-box-mil-spec-medium-mu-twin-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9940.jpg?v=1773692590</image:loc>
      <image:title>(1) Tested 1945 Sylvania JAN CHS 6J6 Tube and Box Mil Spec Medium Mu Twin Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-jan-cnu-6sk7gt-g-tube-vt-117-a-code-hn-6sk7-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9950.jpg?v=1773692896</image:loc>
      <image:title>(1) Tested National Union JAN CNU 6SK7GT/G Tube VT-117-A Code HN 6SK7 Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-chatham-electronics-jan-cahg-5651-tube-code-5921-voltage-regulator</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0022.jpg?v=1773693687</image:loc>
      <image:title>(1) Tested Chatham Electronics JAN CAHG 5651 Tube Code 5921 Voltage Regulator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-1953-sylvania-jan-chs-6sl7gt-tube-box-code-343-gray-plates</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9953.jpg?v=1773694063</image:loc>
      <image:title>(1) Tested Balanced 1953 Sylvania JAN CHS 6SL7GT Tube &amp; Box Code 343 Gray Plates</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-tung-sol-jtl-5687-tube-black-plates-copper-rods-code-748</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9963.jpg?v=1773694632</image:loc>
      <image:title>(1) Tested Strong 1957 Tung Sol JTL 5687 Tube Black Plates Copper Rods Code 748</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-rca-jan-crc-6sn7gt-tube-vt-231-black-plates-gray-glass-v2e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9972.jpg?v=1773698335</image:loc>
      <image:title>(1) Tested Balanced RCA JAN CRC 6SN7GT Tube VT-231 Black Plates Gray Glass V2E</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-amperex-6eh7-ef183-tube-with-box-holland-etched-date-code-9j4</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9983.jpg?v=1773698673</image:loc>
      <image:title>(1) Tested Amperex 6EH7 EF183 Tube with Box Holland Etched Date Code ◿9J4</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-deforest-dl5-tube-tipped-glass-audion-triode-ux-base-brass-pins</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9992.jpg?v=1773699283</image:loc>
      <image:title>(1) Tested DeForest DL5 Tube Tipped Glass Audion Triode UX Base Brass Pins</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-13-tested-vintage-flat-wound-resistors-2961-flat-resistors-21-ohm</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0005.jpg?v=1773699742</image:loc>
      <image:title>Lot of (13) Tested Vintage Flat Wound Resistors 2961 Flat Resistors 21 Ohm</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-4-national-grid-grip-tube-grid-cap-plate-cap-3-8-spring-clamps-leads</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0007.jpg?v=1773700792</image:loc>
      <image:title>Lot of (4) National Grid-Grip Tube Grid Cap Plate Cap 3/8&quot; Spring Clamps Leads</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-75-ceramic-insulator-beads-high-temp-wire-insulation-3-16-4-76-mm-od</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0011.jpg?v=1773702836</image:loc>
      <image:title>Lot of (75) Ceramic Insulator Beads High Temp Wire Insulation 3/16&quot; (4.76 mm) OD</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1944-ken-rad-jan-7193-tube-date-code-n4-mil-spec-black-plate-triode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_9933.jpg?v=1773703565</image:loc>
      <image:title>(1) Tested 1944 Ken Rad JAN 7193 Tube Date Code N4 Mil Spec Black Plate Triode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cbs-jan-chy-5692-tube-6sn7-triple-mica-reinforced-rods-dual-getters</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0030.jpg?v=1773780095</image:loc>
      <image:title>(1) Tested CBS JAN CHY 5692 Tube 6SN7 Triple Mica Reinforced Rods Dual getters</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/matched-pair-hammond-12au7-tubes-gray-plates-o-ring-halo-getters-ge-produced</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0064.jpg?v=1773780688</image:loc>
      <image:title>Matched Pair Hammond 12AU7 Tubes Gray Plates O Ring Halo Getters GE Produced</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-usn-ctl-6sn7wgta-tube-6sn7-tall-bottle-horseshoe-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0039.jpg?v=1773781541</image:loc>
      <image:title>(1) Tested Tung Sol USN CTL 6SN7WGTA Tube 6SN7 Tall Bottle Horseshoe Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hammond-5u4gb-tube-black-plate-top-d-getter-code-59-48-rca-eia-5u4-gb</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0068.jpg?v=1773781779</image:loc>
      <image:title>(1) Tested Hammond 5U4GB Tube Black Plate Top D Getter Code 59-48 RCA EIA 5U4 GB</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-6sn7gtb-tube-black-plates-chrome-dome-date-code-bj-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0050.jpg?v=1773785964</image:loc>
      <image:title>(1) Tested Sylvania 6SN7GTB Tube Black Plates Chrome Dome Date Code BJ 6SN7GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-sylvania-jan-chs-3d6-1299-tube-vt-185-loctal-tube-3d6-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0073.jpg?v=1773786140</image:loc>
      <image:title>(1) Tested Sylvania JAN CHS 3D6 1299 Tube VT-185 Loctal Tube 3D6 Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6sn7gtb-tube-tall-bottle-thin-base-black-plates-code-bh-6sn7gt</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0055.jpg?v=1773786358</image:loc>
      <image:title>(1) Tested 1966 RCA 6SN7GTB Tube Tall Bottle Black Offset Plates Code BH 6SN7 GT</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-hammond-6v6gt-tube-date-code-59-48-rca-eia-6v6-gt-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0078.jpg?v=1773786733</image:loc>
      <image:title>(1) Tested Hammond 6V6GT Tube Date Code 59-48 RCA EIA 6V6 GT Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-1920s-telefunken-re304-tube-with-good-filament-germany-triode-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0088.jpg?v=1773790401</image:loc>
      <image:title>(1) 1920s Telefunken RE304 Tube with Good Filament Germany Triode Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-telefunken-12al5-tubes-with-boxes-codes-ha-double-diode-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0101.jpg?v=1773863428</image:loc>
      <image:title>Tested Matched Pair Telefunken 12AL5 Tubes with Boxes Codes ha. Double Diode (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1945-sylvania-jan-chs-3s4-tubes-with-boxes-date-codes-e4-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0140.jpg?v=1773863863</image:loc>
      <image:title>Tested Matched Pair 1945 Sylvania JAN CHS 3S4 Tubes with Boxes Date Codes E4 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-7167-tube-date-code-aax-sharp-cutoff-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0159.jpg?v=1773864398</image:loc>
      <image:title>(1) Tested Motorola 7167 Tube Date Code AAX Sharp Cutoff Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-jan-cnu-6x5gt-tube-code-hc-6x5-gt-full-wave-rectifier</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0258.jpg?v=1773864745</image:loc>
      <image:title>(1) Tested National Union JAN CNU 6X5GT Tube Code HC 6X5 GT Full Wave Rectifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-8077-7054-tube-code-73-22-pentode-8077-tube-7054-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0163.jpg?v=1773865255</image:loc>
      <image:title>(1) Tested Motorola 8077/7054 Tube Code 73-22 Pentode 8077 Tube 7054 Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-truetone-6bk7b-tube-and-box-code-6213-6bk7-b-twin-triode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0178.jpg?v=1773865731</image:loc>
      <image:title>(1) Tested Truetone 6BK7B Tube and Box Code 6213 6BK7 B Twin Triode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-25av5gt-tube-beam-pentode-tube-gray-plates-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0199.jpg?v=1773866133</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 25AV5GT Tube Beam Pentode Tube Gray Plates (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1944-rca-jrc-9003-tubes-vt-203-and-boxes-codes-h3e-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0218.jpg?v=1773866648</image:loc>
      <image:title>Tested Matched Pair 1944 RCA JRC 9003 Tubes VT-203 and Boxes Codes H3E (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-admiral-5bk7a-tube-date-code-60-26-ge-eia-5bk7-a-dual-triode-tube-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0244.jpg?v=1773868351</image:loc>
      <image:title>(1) Tested Admiral 5BK7A Tube Date Code 60-26 GE EIA 5BK7 A Dual Triode Tube (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-rca-usn-crc-6sk7-tube-mil-spec-code-k3e-pentode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0272.jpg?v=1773941160</image:loc>
      <image:title>(1) Tested Very Strong RCA USN CRC 6SK7 Tube Mil-Spec Code K3E Pentode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-cunningham-cx-301-a-tubes-type-01a-tubes-globe-brass-pins</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0289.jpg?v=1773941538</image:loc>
      <image:title>Tested Matched Pair Cunningham CX 301 A Tubes Type 01A Tubes Globe Brass Pins</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-telefunken-12al5-tubes-codes-ha-double-diode-tubes-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0115.jpg?v=1773943070</image:loc>
      <image:title>Tested Matched Pair Telefunken 12AL5 Tubes Codes ha. Double Diode Tubes (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1945-sylvania-jan-chs-3s4-tube-with-box-vt-174-date-code-e4-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0148.jpg?v=1773943813</image:loc>
      <image:title>(1) Tested 1945 Sylvania JAN CHS 3S4 Tube with Box VT-174 Date Code E4 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-7167-tube-date-code-318-tung-sol-eia-tetrode-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0159_5bbbc757-a6b4-4bfa-97f5-1caa6abe8ea1.jpg?v=1773944317</image:loc>
      <image:title>(1) Tested Motorola 7167 Tube Date Code 318 Tung Sol EIA Tetrode Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-sylvania-25av5gt-tube-gray-plates-beam-pentode-tube-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0204.jpg?v=1773944823</image:loc>
      <image:title>(1) Tested Very Strong Sylvania 25AV5GT Tube Gray Plates Beam Pentode Tube (b)</image:title>
      <image:caption></image:caption>
    </image:image>
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    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-national-union-type-24a-tubes-engraved-bases-codes-j</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0500.jpg?v=1774472969</image:loc>
      <image:title>Tested Matched Pair National Union Type 24A Tubes Engraved Bases Codes J</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-cunningham-cx-301-a-tubes-type-01a-tubes-globe-brass-pins-1</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0470.jpg?v=1774473938</image:loc>
      <image:title>Tested Matched Pair Cunningham CX 301 A Tubes Type 01A Tubes Globe Brass Pins</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-sylvania-6sl7gt-tube-tall-bottle-gray-offset-plates-code-126</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0518.jpg?v=1774474831</image:loc>
      <image:title>(1) Tested Balanced 1951 Sylvania 6SL7GT Tube Tall Bottle Gray Plates Code 126</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-crosley-by-arcturus-type-58-tube-engraved-base-remote-cutoff-pentode</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0506.jpg?v=1774475708</image:loc>
      <image:title>(1) Tested Crosley by Arcturus Type 58 Tube Engraved Base Remote Cutoff Pentode</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-national-union-type-80-tube-ribbed-plates-hanging-filament-code-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0487.jpg?v=1774476850</image:loc>
      <image:title>(1) Tested National Union Type 80 Tube Ribbed Plates Hanging Filament Code E</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-radiotron-ux-201-a-tube-type-01a-tube-engraved-base-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0480.jpg?v=1774477962</image:loc>
      <image:title>(1) Tested RCA Radiotron UX 201-A Tube Type 01A Tube Engraved Base Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-balanced-ge-jan-cg-6sl7gt-tube-mil-spec-silver-plates-date-code-56-17</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0513.jpg?v=1774478257</image:loc>
      <image:title>(1) Tested Balanced GE JAN CG 6SL7GT Tube Mil Spec Silver Plates Date Code 56-17</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-motorola-6bh6-tubes-with-boxes-codes-69-48-pentode-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0528.jpg?v=1774742347</image:loc>
      <image:title>Tested Matched Pair Motorola 6BH6 Tubes with Boxes Codes 69-48 Pentode (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1945-rca-jrc-9003-tubes-vt-203-with-boxes-codes-vie-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0550.jpg?v=1774819277</image:loc>
      <image:title>Tested Matched Pair 1945 RCA JRC 9003 Tubes VT-203 with Boxes Codes VIE (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-trio-unbranded-5814a-tubes-gray-plates-halo-getters-5814-a-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0595.jpg?v=1774819567</image:loc>
      <image:title>Tested Matched Trio Unbranded 5814A Tubes Gray Plates Halo Getters 5814 A Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-display-only-1920s-rca-ge-uv-200-tube-tipped-glass-display-only-type-00-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0602.jpg?v=1774820425</image:loc>
      <image:title>(1) Display Only 1920s RCA GE UV 200 Tube Tipped Glass Display Only Type 00 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-cunningham-cx-326-tube-type-26-tube-engraved-globe-brass-pins</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0615.jpg?v=1774822405</image:loc>
      <image:title>(1) Tested Cunningham CX 326 Tube Type 26 Tube Engraved Globe Brass Pins</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-working-antique-ge-national-mazda-tipped-glass-light-bulb-general-electric</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0629.jpg?v=1774823176</image:loc>
      <image:title>(1) Working Antique GE National Mazda Tipped Glass Light Bulb General Electric</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-ureco-112-tube-goldentone-gold-glass-type-12-radio-tube-vacuum-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0754.jpg?v=1774825890</image:loc>
      <image:title>(1) Tested Ureco 112 Tube Goldentone Gold Glass Type 12 Radio Tube Vacuum Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-national-radio-products-ceramic-5-pin-tube-socket-cir-socket-5-prong</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0640.jpg?v=1774887865</image:loc>
      <image:title>(1) Vintage National Radio Products Ceramic 5 Pin Tube Socket CIR Socket 5 Prong</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-motorola-6bh6-tube-with-box-sharp-cutoff-pentode-tube-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0543.jpg?v=1774890085</image:loc>
      <image:title>(1) Tested Motorola 6BH6 Tube with Box Sharp Cutoff Pentode Tube (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1945-rca-jrc-9003-tube-vt-203-and-box-date-code-vie-pentode-tube-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0580.jpg?v=1774890414</image:loc>
      <image:title>(1) Tested 1945 RCA JRC 9003 Tube VT-203 and Box Date Code VIE Pentode Tube (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-national-radio-products-ceramic-4-pin-tube-socket-cir-socket-4-prong</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0654.jpg?v=1774890707</image:loc>
      <image:title>(1) Vintage National Radio Products Ceramic 4 Pin Tube Socket CIR Socket 4 Prong</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-nos-national-radio-products-xc-7l-ceramic-7-pin-tube-socket-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0661.jpg?v=1774890979</image:loc>
      <image:title>(1) Vintage NOS National Radio Products XC-7L Ceramic 7 Pin Tube Socket (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6sn7gt-tubes-reinforced-rods-black-plates-codes-l1-lq</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0884.jpg?v=1775074312</image:loc>
      <image:title>Tested Matched Pair RCA 6SN7GT Tubes Reinforced Rods Black Plates Codes L1 LQ</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-usn-crc-446a-tubes-mil-spec-lighthouse-tubes-h6e-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0834.jpg?v=1775074750</image:loc>
      <image:title>Tested Matched Pair 1944 RCA USN CRC 446A Tubes Mil Spec Lighthouse Tube H6E (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-motorola-6bh6-tubes-with-boxes-sharp-cutoff-pentodes-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0536.jpg?v=1775075216</image:loc>
      <image:title>Tested Matched Pair Motorola 6BH6 Tubes with Boxes Sharp Cutoff Pentodes (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1945-rca-jrc-9003-tubes-with-boxes-vt-203-codes-vie-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0558.jpg?v=1775075696</image:loc>
      <image:title>Tested Matched Pair 1945 RCA JRC 9003 Tubes with Boxes VT-203 Codes VIE (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-national-radio-products-xc-7l-white-ceramic-7-pin-tube-socket-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0668.jpg?v=1775076221</image:loc>
      <image:title>(1) Vintage National Radio Products XC-7L White Ceramic 7 Pin Tube Socket (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/pair-of-vintage-national-radio-products-xc-7s-ceramic-7-pin-tube-sockets-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0672.jpg?v=1775078181</image:loc>
      <image:title>Pair of Vintage National Radio Products XC-7S Ceramic 7 Pin Tube Sockets (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1964-ge-6au5gt-tubes-with-boxes-codes-64-30-general-electric</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0949.jpg?v=1775079416</image:loc>
      <image:title>Tested Matched Pair 1964 GE 6AU5GT Tubes with Boxes Codes 64-30 General Electric</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1965-ge-jan-cg-35z5gt-tube-with-box-date-code-65-17-66-04-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0974.jpg?v=1775080045</image:loc>
      <image:title>(1) Tested 1965 GE JAN CG 35Z5GT Tube with Box Date Code 65-17/66-04 (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1945-rca-jrc-9003-tube-vt-203-with-box-date-code-vie-pentode-tube-f</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0589.jpg?v=1775080596</image:loc>
      <image:title>(1) Tested 1945 RCA JRC 9003 Tube VT-203 with Box Date Code VIE Pentode Tube (f)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/pair-national-radio-products-cir-socket-7s-prong-ceramic-7-pin-tube-sockets-a</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0696.jpg?v=1775081571</image:loc>
      <image:title>Pair National Radio Products CIR Socket 7S Prong Ceramic 7 Pin Tube Sockets (a)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-cunningham-ux-281-tube-type-81-large-engraved-globe-balloon-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0797.jpg?v=1775082321</image:loc>
      <image:title>(1) Tested RCA Cunningham UX 281 Tube Type 81 Large Engraved Globe Balloon Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-6ab5-6n5-eye-tube-with-box-bright-green-magic-eye-code-513</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/23E650FC-5241-4B33-BAD2-733F171573DC.jpg?v=1775082923</image:loc>
      <image:title>(1) Tested RCA 6AB5 6N5 Eye Tube with Box Bright Green Magic Eye Code 513</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-delco-12v6gt-tube-date-code-5-39-ge-eia-code-beam-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0830.jpg?v=1775083670</image:loc>
      <image:title>(1) Tested Delco 12V6GT Tube Date Code 5-39 GE EIA Code Beam Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/2-national-radio-products-cir-socket-7s-prong-ceramic-7-pin-tube-sockets-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0705.jpg?v=1775085942</image:loc>
      <image:title>(2) National Radio Products CIR Socket 7S Prong Ceramic 7 Pin Tube Sockets (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-of-rca-usn-crc-446a-tubes-mil-spec-lighthouse-tubes-h6e-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0839.jpg?v=1775086563</image:loc>
      <image:title>Tested Matched Pair 1944 RCA USN CRC 446A Tubes Mil Spec Lighthouse Tube H6E (b)</image:title>
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  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-957-tube-acorn-tube-date-code-s5-detector-amplifier-oscillator</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0860.jpg?v=1775145147</image:loc>
      <image:title>(1) Tested RCA 957 Tube Acorn Tube Date Code S5 Detector Amplifier Oscillator</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-unbranded-sylvania-5931-tube-mil-spec-5u4wg-black-plate-triple-mica</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0866.jpg?v=1775146010</image:loc>
      <image:title>(1) Tested Strong Unbranded Sylvania 5931 Tube (Mil Spec 5U4WG) Black Plate Triple Mica</image:title>
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  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1949-western-electric-6ak5-403a-tube-code-939-square-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0872.jpg?v=1775146488</image:loc>
      <image:title>(1) Tested 1949 Western Electric 6AK5 403A Tube Code 939 Square Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-unbranded-6350-tube-shiny-black-plates-horseshoe-halo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0879.jpg?v=1775146635</image:loc>
      <image:title>(1) Tested Unbranded 6350 Tube Shiny Black Plates Horseshoe Halo Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1945-rca-jrc-9003-tubes-boxes-vie-mil-spec-vt-203-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0566.jpg?v=1775148559</image:loc>
      <image:title>Tested Matched Pair 1945 RCA JRC 9003 Tubes &amp; Boxes VIE Mil Spec VT-203 (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-national-radio-products-xc-7s-white-ceramic-7-pin-tube-socket-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0678.jpg?v=1775149400</image:loc>
      <image:title>(1) Vintage National Radio Products XC-7S White Ceramic 7 Pin Tube Socket (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-perryman-pa-227-tube-type-27-globe-speckled-ceramic-base-ufo-getter</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0848.jpg?v=1775152709</image:loc>
      <image:title>(1) Tested Perryman PA 227 Tube Type 27 Globe Speckled Ceramic Base UFO Getter</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-usn-crc-446a-tube-mil-spec-lighthouse-tube-date-code-h6e-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0844.jpg?v=1775153647</image:loc>
      <image:title>(1) Tested 1944 RCA USN CRC 446A Tube Mil Spec Lighthouse Tube Date Code H6E (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-raytheon-jan-2050w-tube-code-67-33-mil-spec-2050-w-thyratron-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0893.jpg?v=1775153815</image:loc>
      <image:title>(1) Tested Raytheon JAN 2050W Tube Code 67-33 Mil Spec 2050 W Thyratron Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-majestic-g-26-tube-with-box-type-26-engraved-base-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0904.jpg?v=1775154067</image:loc>
      <image:title>(1) Tested Majestic G-26 Tube with Box Type 26 Engraved Base Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/2-untested-rca-jan-crc-921-tube-and-ge-gl-921-tube-gas-phototubes-photo-tubes</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0926.jpg?v=1775154604</image:loc>
      <image:title>(2) Untested RCA JAN CRC 921 Tube and GE GL-921 Tube Gas Phototubes Photo Tubes</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/lot-of-9-vintage-nos-brown-mil-spec-miniature-7-pin-tube-sockets</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0732.jpg?v=1775155892</image:loc>
      <image:title>Lot of (9) Vintage NOS Brown Mil Spec Miniature 7 Pin Tube Sockets</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-national-radio-products-cir-socket-7s-prong-ceramic-7-pin-tube-socket-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0715.jpg?v=1775158145</image:loc>
      <image:title>(1) National Radio Products CIR Socket 7S Prong Ceramic 7 Pin Tube Socket (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1961-ge-jan-cg-6ac7wa-tube-with-box-code-61-30-mil-spec-6ac7-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0936.jpg?v=1775158623</image:loc>
      <image:title>(1) Tested 1961 GE JAN CG 6AC7WA Tube with Box Code 61-30 Mil Spec 6AC7 Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-nos-white-ceramic-7-pin-tube-socket-for-tube-radios-or-tube-testers</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0743.jpg?v=1775159573</image:loc>
      <image:title>(1) Vintage NOS White Ceramic 7 Pin Tube Socket For Tube Radios or Tube Testers</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1963-ge-6au5gt-tube-with-box-code-63-35-general-electric-power-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0958.jpg?v=1775160161</image:loc>
      <image:title>(1) Tested 1963 GE 6AU5GT Tube with Box Code 63-35 General Electric Power Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-national-radio-products-xc-7s-white-ceramic-7-pin-tube-socket-c</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0684.jpg?v=1775160995</image:loc>
      <image:title>(1) Vintage National Radio Products XC-7S White Ceramic 7 Pin Tube Socket (c)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1964-rca-jan-crc-35l6gt-tube-with-box-mil-spec-tube-date-code-64-35</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0967.jpg?v=1775161301</image:loc>
      <image:title>(1) Tested 1964 RCA JAN CRC 35L6GT Tube with Box Mil Spec Tube Date Code 64-35</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-national-radio-products-cir-socket-7s-prong-ceramic-7-pin-tube-socket-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0720.jpg?v=1775161940</image:loc>
      <image:title>(1) National Radio Products CIR Socket 7S Prong Ceramic 7 Pin Tube Socket (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-1965-ge-jan-cg-35z5gt-tube-and-box-mil-spec-code-65-17-66-04-b</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0981.jpg?v=1775162873</image:loc>
      <image:title>(1) Tested 1965 GE JAN CG 35Z5GT Tube and Box Mil Spec Code 65-17/66-04 (b)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-vintage-national-radio-products-xc-7s-white-ceramic-7-pin-tube-socket-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0690.jpg?v=1775163450</image:loc>
      <image:title>(1) Vintage National Radio Products XC-7S White Ceramic 7 Pin Tube Socket (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-1945-rca-jrc-9003-tubes-vt-203-with-boxes-codes-vie-d</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0573.jpg?v=1775163674</image:loc>
      <image:title>Tested Matched Pair 1945 RCA JRC 9003 Tubes VT-203 with Boxes Codes VIE (d)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-national-radio-products-cir-socket-7s-prong-ceramic-7-pin-tube-socket-e</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0725.jpg?v=1775164283</image:loc>
      <image:title>(1) National Radio Products CIR Socket 7S Prong Ceramic 7 Pin Tube Socket (e)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-duratron-uv-201a-tube-type-01a-tube-short-brass-pins-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_0995.jpg?v=1775245141</image:loc>
      <image:title>(1) Tested Duratron UV 201A Tube Type 01A Tube Short Brass Pins Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-very-strong-balanced-tung-sol-12ax7-tube-and-box-gray-plates-620-3</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_2861.jpg?v=1777751402</image:loc>
      <image:title>(1) Tested Very Strong Balanced Tung Sol 12AX7 Tube and Box Gray Plates 620-3</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/tested-matched-pair-rca-6sn7gt-tubes-black-plates-copper-grid-posts-codes-513</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1036.jpg?v=1775247470</image:loc>
      <image:title>Tested Matched Pair RCA 6SN7GT Tubes Black Plates Copper Grid Posts Codes 513</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-duovac-dx-112a-tube-saturn-getter-type-12a-tube-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1002.jpg?v=1775248848</image:loc>
      <image:title>(1) Tested Strong Duovac DX 112A Tube Saturn Getter Type 12A Tube Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rare-green-marbled-bakelite-continental-ux-112a-tube-12a-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1028.jpg?v=1775251409</image:loc>
      <image:title>(1) Tested Rare Green Marbled Bakelite Continental UX 112A Tube 12A Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-tung-sol-6sn7gtb-tube-tall-bottle-black-plate-horseshoe-getter-624-3</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1054.jpg?v=1775252906</image:loc>
      <image:title>(1) Tested Tung Sol 6SN7GTB Tube Tall Bottle Black Plate Horseshoe Getter 624-3</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-stewart-warner-uv-201a-tube-type-01a-tube-short-brass-pins-globe-tube</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1060.jpg?v=1775253601</image:loc>
      <image:title>(1) Tested Stewart Warner UV 201A Tube Type 01A Tube Short Brass Pins Globe Tube</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-strong-tung-sol-12ax7-tube-gray-plates-slanted-halo-getter-code-443-3</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1008.jpg?v=1775255140</image:loc>
      <image:title>(1) Tested 1954 Tung Sol 12AX7 Tube Gray Plates Bent Square Getter Code 443-3</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://classiccurrents.com/products/1-tested-rca-type-42-tube-double-d-getters-black-oval-ribbed-plate-code-fgs</loc>
    <lastmod>2026-06-05T03:55:37-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0788/5999/3343/files/IMG_1166.jpg?v=1775572189</image:loc>
      <image:title>(1) Tested RCA Type 42 Tube Double D Getters Black Oval Ribbed Plate Code FGS</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
</urlset>
