{"product_id":"6v6gt-rca-silver-label-amplitrex-tested-tube-black-plate-dd-getter-made-in-usa-59","title":"6V6GT RCA Silver Label AMPLITREX Tested Tube Black Plate DD Getter Made in USA '59","description":"\u003cp class=\"p1\"\u003e\u003cb\u003e6V6GT RCA Silver Label – Black Plates – Double D Getter – Made in USA ‘59\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eAMPLITREX Tested – Low Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGeneral Description\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eWe offer a \u003cspan class=\"s1\"\u003e\u003cb\u003e6V6GT RCA Silver Label\u003c\/b\u003e\u003c\/span\u003e, manufactured in the United States in \u003cspan class=\"s1\"\u003e\u003cb\u003e1959\u003c\/b\u003e\u003c\/span\u003e, identified by the manufacturing code \u003cspan class=\"s1\"\u003e\u003cb\u003eLM\u003c\/b\u003e\u003c\/span\u003e, typical of American production of the era.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis tube represents one of the most authentic expressions of RCA's 1950s production, with solid construction and high-quality materials.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eConstruction features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eBlack Plates\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eDouble D Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003erobust and well-finished internal structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eA classic configuration, highly appreciated for reliability and sound performance.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSound Characteristics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eRCA 6V6GTs are known for their natural and engaging musicality.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eBass: \u003c\/b\u003eWarm and well-controlled, with good presence.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eMids: \u003c\/b\u003eRich and harmonic, with a very musical vocal rendition.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eHighs: \u003c\/b\u003eSoft and never fatiguing.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eDynamics: \u003c\/b\u003eProgressive and pleasant, also ideal for prolonged listening.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eSoundstage: \u003c\/b\u003eBalanced, with good coherence between sound planes.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003ePerfect for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003evintage amplifiers\u003c\/li\u003e\n\u003cli class=\"p1\"\u003esingle-ended and push-pull systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eOffers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eclassic American tonality\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eoverall balance\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ereliability even with continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e🎸 Use in Musical Applications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eSuitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eguitar amplifiers\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e6V6-based circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eGuarantees:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003enatural dynamic response\u003c\/li\u003e\n\u003cli class=\"p1\"\u003egradual and musical breakup\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ewarm and round sound\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e🎯 Note for Audiophiles and Technicians\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eProduction \u003c\/span\u003e\u003cb\u003eRCA USA 1950s\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eVersion \u003c\/span\u003e\u003cb\u003eSilver Label\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eBlack Plates + Double D Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eTested \u003c\/span\u003e\u003cb\u003eAmplitrex – VERY STRONG\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eA used tube but still \u003cspan class=\"s2\"\u003e\u003cb\u003eperforming and musical\u003c\/b\u003e\u003c\/span\u003e, ideal for those who want to experience the vintage RCA sound with excellent value for money.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTube tested on \u003cstrong\u003eAMPLITREX AT-1000 \u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003eVa = 250V; Vg2 = 250V; Vg = -12.5V \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eMeasurements taken after 10 minutes of warm-up.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003eGm = 4.1 ; Ia = 45 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY STRONG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eTube :\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eGm = 4.36 ; Ia = 40 mA\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMicrophonics: \u003c\/strong\u003eLow. Tested and suitable for hi-fi use, even in phono stages and guitar amplifiers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eEmission Quality:\u003c\/strong\u003e Excellent – Very strong and stable emission, without fluctuations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eShort Circuits and GAS:\u003c\/strong\u003e Absent.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"221\" data-end=\"371\"\u003e\n\u003cstrong data-start=\"223\" data-end=\"233\"\u003eCondition:\u003c\/strong\u003e Vintage Tubes - Tested and fully functional. Supplied in our custom box for optimal protection. \u003c\/li\u003e\n\u003cli data-start=\"372\" data-end=\"456\"\u003e\n\u003cstrong data-start=\"374\" data-end=\"391\"\u003eFunctionality:\u003c\/strong\u003e Perfectly operational, with excellent test results.\u003c\/li\u003e\n\u003cli data-start=\"457\" data-end=\"672\"\u003e\n\u003cstrong data-start=\"459\" data-end=\"484\"\u003eCosmetic Condition:\u003c\/strong\u003e Excellent – Markings are well preserved, minimal signs of age. See photos for details.\u003cstrong data-start=\"675\" data-end=\"703\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong data-start=\"675\" data-end=\"703\"\u003eManufacturing code: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLM → two-letter code → September 1959 production\u003c\/li\u003e\n\u003c\/ul\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\u003eDiscover why our tubes are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"RCA","offers":[{"title":"Default Title","offer_id":57250739880284,"sku":"03500V","price":99.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/3_48dbb769-5ab3-4399-8e1b-245b2a0509e9.jpg?v=1775139212","url":"https:\/\/vacuumtubestreasures.com\/en-ie\/products\/6v6gt-rca-silver-label-amplitrex-tested-tube-black-plate-dd-getter-made-in-usa-59","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}