{"product_id":"12at7-ecc81-ge-nos-nib-gray-plates-o-getter-tested-tube-made-in-usa","title":"12AT7 ( ECC81 ) GE NOS NIB Wing Gray Plates O Getter Tested Tube MADE IN USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e12AT7 ( ECC81 ) GE NOS NIB Wing Gray Plates O Getter Tested Tube\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eMADE IN USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eManufactured by GENERAL ELECTRIC in USA.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003e\u003cspan\u003eThese tubes offer a sound characterized by remarkable clarity and detail, with a well-balanced midrange and an airy, bright high-frequency extension. This gray-plated version has a slightly warm tone without losing definition, making it perfect for those seeking a balance between precision and musicality. Ideal for Hi-Fi audio and musical instruments, they ensure rich, detailed sound reproduction.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eWorn logos as shown in the photo\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003e\u003cspan\u003eTested on AVO VCM 163 Tube tester:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cspan\u003eVoltage Test: Va = 250V; Vg = -2V ; Vf = 6.3V\u003c\/span\u003e\u003cbr\u003e \u003cspan\u003eAverage 100% Gm = 5.5 ; Ia = 10 mA\u003c\/span\u003e\u003cbr\u003e \u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eSection 1: Gm = 5.6 ; Ia = 12 mA\u003cbr\u003e Section 2: Gm = 5.6 ; Ia = 13 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\u003e GAS Test\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/vacuumtubestreasures.com\/blogs\/notizie\/perche-le-nostre-valvole-sono-diverse\" title=\"Why our tubes are different – ​​the VTT protocol that improves sound, reliability and durability\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eFind out why our valves are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":42983987183863,"sku":"00629","price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/products\/12at7-ecc81-ge-nos-nib-gray-plates-o-getter-tested-tube-made-in-usa-981205.jpg?v=1657112617","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/12at7-ecc81-ge-nos-nib-gray-plates-o-getter-tested-tube-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}