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(1) Tested 1968 Sylvania 6BK7B Tube with Box Code ch JHY 6BK7 B Twin Triode Tube
Regular price $11.95 USDRegular price -
(1) Tested 1971 Sylvania 6BK7B Tube & Box Code fh EAJ 6BK7 B Twin Triode (b)
Regular price $11.95 USDRegular price -
(1) Tested 1966 Sylvania 6T8A Tube & Box Code ag ESZ Triple Diode High Mu Triode
Regular price $9.95 USDRegular price -
(1) Tested 1971 Sylvania 6BK7B Tube with Box Code fh EAJ 6BK7 B Twin Triode (a)
Regular price $11.95 USDRegular price -
(1) Tested 1968 Sylvania 6DX8 ECL84 Tube Code cm AAB Triode Pentode Vacuum Tube
Regular price $7.95 USDRegular price -
(1) Tested 1970 Sylvania 5U8 Tube Red Letters and Box Code ed AWV Triode Pentode
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 7F7 Tube Loctal Tube Double Triode Vacuum Tube
Regular price $14.95 USDRegular price -
(1) Tested Sylvania 6CU8 Tube and Box Code NR DDZ Triode Pentode Vacuum Tube
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 6CU8 Tube Date Code NR DEK Triode Pentode Vacuum Tube
Regular price $7.95 USDRegular price -
(1) Tested 1973 Sylvania 8JV8 Tube with Box Code hf AJD Triode Pentode Tube
Regular price $9.95 USDRegular price -
(1) Tested 1956 Sylvania Type 30 Tube Code 6-39 Triode Amplifier Vacuum Tube
Regular price $28.95 USDRegular price -
(1) Tested Strong 1967 RCA 6FY5 EC97 Tube & Box Great Britain Code BQ Triode (b)
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 6CU8 Tube and Box Code am YAD Triode Pentode Vacuum Tube (b)
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 6FH5 with Box Date Code AAD Triode Vacuum tube
Regular price $9.95 USDRegular price -
(1) Tested Truetone 5CG8 Tube with Box Date Code 6309 Triode Pentode Tube
Regular price $9.95 USDRegular price -
(1) Tested 1969 Sylvania 5X8 Tube with Box Code df JAS Triode Pentode Tube
Regular price $9.95 USDRegular price -
(1) Tested Truetone 6BK7A Tube with Box Code 5743 6BK7 A Twin Triode Tube
Regular price $11.95 USDRegular price -
(1) Tested Truetone 6BK7B Tube with Box Date Code 6213 6BK7 B Twin Triode (b)
Regular price $11.95 USDRegular price -
(1) Tested Truetone 6BK7B Tube and Box Code 6213 6BK7 B Twin Triode Tube (a)
Regular price $11.95 USDRegular price -
(1) Tested 1969 Sylvania 6DN7 Tube with Box Red Letters Code de EAN Dual Triode
Regular price $18.95 USDRegular price -
(1) Tested 1970 Sylvania 6FM7 Tube with Box Date Code ec EZZ Dual Triode Tube
Regular price $9.95 USDRegular price -
(1) Tested Strong RCA 9AU7 Tube with Box Date Code NF RCA 9AU7 Double Triode (b)
Regular price $8.95 USDRegular price -
(1) Tested 1985 Sylvania 6BH11 Tube with Box Code hk AAL Twin Triode Pentode
Regular price $9.95 USDRegular price -
(1) Tested Strong RCA 8GN8 Tube with Box Date Code AV Triode Pentode Tube
Regular price $8.95 USDRegular price -
(1) Tested Sylvania 14B6 Tube with Box Date Code W Double Diode Triode Tube
Regular price $14.95 USDRegular price -
(1) Tested Strong 1957 Sylvania 7B4 Tube Code 7-52 Triode Loctal Tube (b)
Regular price $8.95 USDRegular price -
(1) Tested 1957 Sylvania 7B4 Tube Code 7-52 Triode Loctal Tube Loktal Tube (a)
Regular price $8.95 USDRegular price -
(1) Tested Sylvania 10HF8 Tube with Box Date Code NR ABV Triode Pentode Tube
Regular price $9.95 USDRegular price
