{"product_id":"6v6-gt-delco-black-glass-foil-getter-by-sylvania-tested-tube-made-in-usa-57","title":"6V6 GT DELCO Black Glass Foil Getter by SYLVANIA Tested Tube Made in USA '48","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e6V6 GT DELCO Black Glass Foil Getter by SYLVANIA Tested Tube \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMade in USA '48\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufacturing\u0026nbsp;\u003c\/span\u003eSylvania Electric Products Inc., Emporium, Pa.\u003cspan\u003e, USA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTested with\u0026nbsp;AMPLITREX AT-1000 Tube tester:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOur instruments are calibrated with reference tubes.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVf = 6.3V; Va = 250V; Vg2 = 250V; Vg1 = -12.5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAverage 100% Gm = 4100 ; Ia = 45 mA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGm =\u0026nbsp;4200 ; Ia =\u0026nbsp;39 mA\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFurther tests performed:\u003cbr\u003e\u003cspan\u003eMicrophony Test\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEmission Quality\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShort Circuit Test\u003c\/span\u003e\u003cbr\u003eGAS Test \u003cbr\u003e\u003cbr\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\u003cbr\u003e\u003c\/p\u003e","brand":"DELCO","offers":[{"title":"Default Title","offer_id":47499088560476,"sku":"01940Y","price":59.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_885a22c2-c884-4b11-b9a2-ff700c702a8a.jpg?v=1704379604","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/6v6-gt-delco-black-glass-foil-getter-by-sylvania-tested-tube-made-in-usa-57-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}