{"product_id":"copia-del-6v6gt-tung-sol-black-glass-foil-getter-matched-tubes-made-in-usa","title":"6V6 GT TUNG-SOL Black Glass Foil Getter Tested Pair Tubes MADE IN USA '56","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e6V6 GT TUNG-SOL NOS Black Glass Foil Getter Tested Tube \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMADE IN USA '56\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThese tubes, produced in the United States in 1956, are particularly appreciated by guitarists for their warm, powerful, and dynamic sound, perfect for use in guitar amplifiers. The Black Glass design and Foil Getter contribute to a unique sonic signature, combining depth, clarity, and remarkable dynamic response.\u003cbr\u003e\u003cbr\u003eThe low-end is rich and well-defined, with bass that provides a solid foundation without being overwhelming. This allows for a full, rounded sound, ideal for punchy and powerful rhythms. Tight and controlled bass makes these tubes perfect for guitarists seeking a robust and precise sound without excessive low-frequency emphasis.\u003cbr\u003e\u003cbr\u003eThe midrange is particularly expressive, with strong and detailed presence that brings guitar tones to life. The 6V6 GT TUNG-SOL delivers a warm and full midrange response, perfect for playing solos rich in nuances and harmonics. Their dynamic response allows for a wide range of tones, from clean and transparent to full and saturated distortions, adapting perfectly to various musical styles, from rock to blues.\u003cbr\u003e\u003cbr\u003eThe high frequencies are smooth and never harsh, maintaining a clarity that allows every detail of the sound to be perceived without causing fatigue. They maintain a balanced response across the entire spectrum, with high frequencies that provide brightness and definition without being sharp or overly present. This characteristic makes them ideal for achieving a bright but not overly aggressive sound, perfect for genres that require a balance between warmth and definition.\u003cbr\u003e\u003cbr\u003eProduced by TUNG-SOL, USA\u003cbr\u003e\u003cbr\u003eData\u0026nbsp;Code: 3226-52\u003cbr\u003e\u003cbr\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 = 250V; Vg2 = 250V; Vg1 = -12.5V \u003cbr\u003eAverage 100% Gm = 4.1 ; Ia = 45 mA \u003cbr\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGm = 4.0 ; Ia = 42 mA \u003cbr\u003e\u003cbr\u003eAdditional tests performed:\u003cbr\u003eMicrophonics Test \u003cbr\u003eEmission Quality \u003cbr\u003eShort Circuit Test \u003cbr\u003eGas Test \u003cbr\u003e\u003cbr\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":"TUNG-SOL","offers":[{"title":"Default Title","offer_id":47446049882460,"sku":"01927","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_c4e5d4b2-3e90-4110-95dd-dcb3024a3066.jpg?v=1728318798","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/copy-of-6v6gt-tung-sol-black-glass-foil-getter-matched-tubes-made-in-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}