{"product_id":"12au7-ecc82-nos-philco-long-gray-plates-halo-getter-tested-tube-made-in-usa","title":"12AU7 ECC82 NOS NIB PHILCO Tested Tube – Long Gray Plates Halo Getter Made in USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e12AU7 ( ECC82 ) NOS NIB PHILCO Long Gray Plates Halo Getter Tested Tube\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIn Original Box (Note: a closing flap of the box is missing)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe NOS PHILCO Long Gray Plates 12AU7 (ECC82) tubes with Halo Getter, made in the USA, offer a warm and detailed sound signature. Thanks to the long gray plates, these tubes tend to provide a balanced harmonic response with a particularly musical. The sound is characterized by a good presence in the mids, making the signal full and pleasant, ideal for those looking for an engaging but never tiring listening experience. The highs are soft and delicate, without being sharp, while the low frequencies They are well controlled and present, but not intrusive. These tubes are perfect for those who appreciate a natural performance, with a touch of warmth and softness typical of high quality NOS tubes.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTested on Amplitrex AT-1000 Tube tester:\u003cbr\u003e\u003c\/strong\u003e Average 100% Gm = 2200 ; Ia = 10.5 mA\u003cbr\u003eVoltage Test: Va = 250V, Vg = -8.5V \u003cstrong\u003e\u003cbr\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSection 1:\u003cmeta charset=\"utf-8\"\u003e Gm = 2200 ; Ia = 10.4 mA\u003cbr\u003eSection 2:\u003cmeta charset=\"utf-8\"\u003e Gm = 2100 ; Ia = 9.2 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOther Tests Performed:\u003cbr\u003eMicrophone Test\u003cbr\u003eEmission Quality\u003cbr\u003eShort Circuit Test\u003cbr\u003eGAS Test\u003cspan\u003e\u003c\/span\u003e\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":"PHILCO","offers":[{"title":"Default Title","offer_id":49438736056668,"sku":"02451M","price":26.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_2355fab0-78ce-443d-8b47-a90d6dd9dc19.jpg?v=1727447323","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/12au7-ecc82-nos-philco-long-gray-plates-halo-getter-tested-tube-made-in-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}