{"product_id":"5963-ecc82-12au7-hewlett-packard-by-sylvania-gray-plates-halo-getter-long-plates-matched-pair-made-in-usa","title":"5963 ( ECC82 12AU7 WA ) Hewlett-Packard by SYLVANIA Gray Plates Halo Getter Long Plates Matched Pair Made in USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e5963 ( ECC82 12AU7 WA ) Hewlett-Packard by SYLVANIA Gray Plates Halo Getter Long Plates Matched Pair\u0026nbsp;\u0026nbsp;\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eReboxed in our custom\u0026nbsp;box\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduced by SYLVANIA in the United States of America.\u003c\/span\u003e\u003cbr\u003eLogos worn as per photo\u003c\/p\u003e\n\u003cp\u003eTested on\u0026nbsp;AMPLITREX AT-1000 Tube tester:\u003cbr\u003e\u003cspan\u003eVoltage Test: Va = 250V, Vg = -8,5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAverage 100% Gm = 2200 ; Ia = 10.5 mA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eValve 1:\u003cbr\u003e\u003cspan\u003eSection 1: Gm =\u0026nbsp;2200 ;\u0026nbsp;Ia =\u0026nbsp;9.5 mA\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSection 2: \u003cmeta charset=\"utf-8\"\u003eGm =\u0026nbsp;2300 ;\u0026nbsp;Ia =\u0026nbsp;10.0\u0026nbsp;mA\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eValve 2:\u003cbr\u003eSection 1: Gm =\u0026nbsp;2200 ;\u0026nbsp;Ia =\u0026nbsp;9.0 mA\u003cbr\u003eSection 2:\u0026nbsp;\u003cmeta charset=\"utf-8\"\u003eGm =\u0026nbsp;2200\u0026nbsp;;\u0026nbsp;Ia =\u0026nbsp;9.0 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFurther tests performed:\u003c\/span\u003e\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\u003eTest for GAS\u003c\/p\u003e\n\u003cp\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\u003cbr\u003e\u003c\/p\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":47038828249436,"sku":"01649V","price":39.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_7f4d42c9-5a08-4b57-8032-e57fc846043d.jpg?v=1767623582","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/5963-ecc82-12au7-hewlett-packard-by-sylvania-gray-plates-halo-getter-long-plates-matched-pair-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}