{"product_id":"12au7-a-ecc82-rca-nos-long-gray-plates-halo-getter-matched-tubes-made-in-usa-3","title":"12AU7A ECC82 NOS RCA Tested Tube – Long Gray Plates Halo Getter Made in USA","description":"\u003cp\u003e\u003cstrong\u003e12AU7A ( ECC82 ) RCA NOS Long Gray Plates Halo Getter Tested Tube\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThese tubes are renowned for their rich, warm tone, with a smooth, harmonious sound reproduction. They offer extraordinary transparency in the mid-range, combined with deep, controlled bass. The detail in the high frequencies is precise, without ever being fatiguing, making them perfect for extended listening.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWorn logos as per photo\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTested on Amplitrex AT-1000 Tube tester:\u003c\/strong\u003e\u003cbr\u003eVoltage Test: Va = 250V, Vg = -8.5V\u003cbr\u003eAVERAGE 100% Gm = 2200 ; Ia = 10.5 mA\u003cbr\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSection 1: Gm = 2000 ; Ia = 8.3 mA\u003cbr\u003eSection 2: Gm = 1900 ; Ia = 8.3 mA\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eFurther tests performed:\u003cbr\u003eMicrophone Test\u003cbr\u003eEmission Quality\u003cbr\u003eShort Circuit Test\u003cbr\u003eGAS Test\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\u003c\/p\u003e","brand":"RCA","offers":[{"title":"Default Title","offer_id":49467678490972,"sku":"02459U","price":22.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_0dd9616b-64f0-4e9d-be9e-725b10ec373e.jpg?v=1727861286","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/12au7-a-ecc82-rca-nos-long-gray-plates-halo-getter-matched-tubes-made-in-usa-3","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}