{"product_id":"tested-matched-pair-1969-sylvania-6bq7a-6bz7-tubes-red-letters-codes-db-adt","title":"Tested Matched Pair 1969 Sylvania 6BQ7A 6BZ7 Tubes Red Letters Codes db ADT","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003eTested Matched Pair of 1969 Sylvania 6BQ7A 6BZ7 Tubes with Original Boxes.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003eRed Letters. Date Codes db ADT (February, 1969).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003eTubes are matched for Gm testing, internal structure and production date codes.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eTested on a calibrated Hickok TV-10 military tube tester\u003cstrong\u003e\u003c\/strong\u003e with \u003cstrong\u003eno shorts\u003c\/strong\u003e and \u003cstrong\u003eno leaks\u003c\/strong\u003e with the following results:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eGm Test = 7250-7500 and 7250-7500 micromhos\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eMinimum pass\/good = \u003c\/span\u003e\u003cspan\u003e4000-4000\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e~ Please view all 8 photos ~\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Classic Currents","offers":[{"title":"Default Title","offer_id":48131709731071,"sku":null,"price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/5999\/3343\/files\/IMG_8043.jpg?v=1770237952","url":"https:\/\/classiccurrents.com\/products\/tested-matched-pair-1969-sylvania-6bq7a-6bz7-tubes-red-letters-codes-db-adt","provider":"Classic Currents","version":"1.0","type":"link"}