{"product_id":"6l6-gb-motorola-nos-nib-gray-plates-dd-getter-matched-pair-tubes-made-in-usa","title":"6L6 GB Motorola NOS NIB by RCA – Gray Plates DD Getter – Matched Pair USA Tubes","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e6L6GB MOTOROLA NOS NIB by RCA Gray Plates DD Getter Matched Pair Tubes MADE IN USA\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTubes produced by RCA USA for Motorola\u003c\/strong\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eThe white dot on the base indicates that they were selected for Low Noise \u0026amp; Microphonics by the manufacturer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTested with AMPLITREX AT-1000 Tube tester:\u003c\/strong\u003e\u003cbr\u003eOur instruments are calibrated with reference tubes.\u003cbr\u003eVf = 6.3V; Va = 350; Vg2 = 250; Vg = -18V\u003cbr\u003eAverage 100% Gm = 5200 ; Ia = 54 mA\u003cbr\u003e\u003cstrong\u003eTEST RESULT:\u003c\/strong\u003e\u003c\/span\u003e \u003cstrong\u003eVERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eValve 1: Gm = 4600 ; Ia = 59 mA\u003cbr\u003eValve 2: Gm = 5100 ; Ia = 57 mA\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFurther tests performed:\u003cbr\u003eMicrophone Test\u003cbr\u003eEmission Quality\u003cbr\u003eShort Circuit Test\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGAS Test\u003c\/span\u003e\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":"MOTOROLA","offers":[{"title":"Default Title","offer_id":49187926835548,"sku":"02377","price":219.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_e15d531e-4948-41d0-80b6-f6c8a3279845.jpg?v=1723538220","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/6l6-gb-motorola-nos-nib-gray-plates-dd-getter-matched-pair-tubes-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}