{"product_id":"6an8a-rca-gray-plates-disc-getter-matched-pair-tubes-made-in-usa","title":"6AN8A RCA NOS NIB Gray Plates Disc Getter Matched Pair Tubes Made in USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cbr\u003e\u003cstrong\u003e6AN8A RCA Gray Plates Disc Getter Matched Pair Tubes\u0026nbsp;\u003c\/strong\u003e\u003cbr\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eMade in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/strong\u003e\u003cspan\u003eProduced by RCA in the U.S.A.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLogos worn as per photo\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTubes tested on AMPLITREX AT-1000\u0026nbsp;Tube tester:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVoltage Test Triode: Va = 150, Vg = -3V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAverage 100% Triode Gm =\u0026nbsp;4500 ; Ia = 15 mA\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVoltage Test Pentode: Va = 200V ; Vg2 = 150 ; Vg = -2.2V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAverage 100% Pentode Gm =\u0026nbsp;7800\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eTest Result: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eValve 1:\u003cbr\u003eTriode: Gm 4000 ; Ia 12.2 mA\u003cbr\u003eValve 2:\u003cbr\u003eTriode: Gm 4300 ; Ia 13.9 mA\u003cbr\u003eValve 1\u003cbr\u003ePentode: Gm 6100\u003cbr\u003eValve 2:\u003cbr\u003ePentode: Gm 6200\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eFurther tests performed:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eEmission Quality\u003cbr\u003eShort Circuit Test\u003c\/span\u003e\u003cbr\u003eMicrophone Test\u003cbr\u003eTest for GAS\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\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":"RCA","offers":[{"title":"Default Title","offer_id":47285416329564,"sku":"01816Y","price":79.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_38bffd45-857b-44e6-b09e-665e3bdcaada.jpg?v=1699457115","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/6an8a-rca-gray-plates-disc-getter-matched-pair-tubes-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}