{"product_id":"jan-12av7-nos-nib-sylvania-black-plates-halo-getter-tested-tube-made-in-usa","title":"JAN 12AV7 NOS NIB SYLVANIA Black Plates Halo Getter Tested Tube Made in USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eJAN 12AV7 NOS NIB SYLVANIA Black Plates Halo Getter Tested Tube\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eProduced by SYLVANIA - USA.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTested on AMPLITREX AT-1000 Tube tester:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eVoltage Test: Va = 150V, Vg = -1V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAverage 100% Gm = 8.5 ; Ia = 18 mA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSection 1:\u003cmeta charset=\"utf-8\"\u003e Gm = 9.7 ; Ia = 22 mA\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSection 2:\u003cmeta charset=\"utf-8\"\u003e Gm = 9.1 ; Ia = 19.6 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFurther tests performed:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMicrophone Test\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEmission Quality\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShort Circuit Test\u003c\/span\u003e\u003cbr\u003eGAS Test\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Why our tubes are different – the VTT protocol that improves sound, reliability and durability\" href=\"https:\/\/vacuumtubestreasures.com\/blogs\/notizie\/perche-le-nostre-valvole-sono-diverse\" target=\"_blank\"\u003e\u003cstrong\u003eFind out why our valves are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":47734145253724,"sku":"02049","price":1700.0,"currency_code":"ALL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_82356e69-e446-487e-b6af-8d504044eabe.jpg?v=1709389346","url":"https:\/\/vacuumtubestreasures.com\/en-al\/products\/jan-12av7-nos-nib-sylvania-black-plates-halo-getter-tested-tube-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}