{"product_id":"6l6gc-rca-black-plates-halo-side-getter-matched-pair-usa-tubes-tested-strong-amplitrex","title":"6L6GC RCA Black Plates – Halo Side Getter – Matched Pair – USA Tubes – Tested Strong Amplitrex","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e6L6GC RCA Black Plates Side Halo Getter Matched Pair Tubes MADE IN USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"669\" data-start=\"208\"\u003eThe \u003cstrong data-end=\"224\" data-start=\"211\"\u003e6L6GC RCA\u003c\/strong\u003e , in this precious version with \u003cstrong data-end=\"274\" data-start=\"258\"\u003eblack plates\u003c\/strong\u003e , \u003cstrong data-end=\"302\" data-start=\"276\"\u003elateral halo getter\u003c\/strong\u003e and symmetrical internal structure, represent one of the reference standards in the history of American power tubes. The robust construction, combined with the historically recognized tonal quality of the RCA brand, gives life to a \u003cstrong data-end=\"587\" data-start=\"549\"\u003emusical, authoritative and transparent\u003c\/strong\u003e tube, capable of returning a faithful, rich and dynamically controlled reproduction.\u003c\/p\u003e\n\u003cp data-end=\"899\" data-start=\"671\"\u003eThis \u003cstrong data-end=\"696\" data-start=\"678\"\u003ematched pair\u003c\/strong\u003e ensures uniformity between channels and consistent performance in high-fidelity contexts, whether in \u003cstrong data-end=\"824\" data-start=\"798\"\u003epush-pull stereo hi-fi\u003c\/strong\u003e or in high-end, vintage or boutique \u003cstrong data-end=\"863\" data-start=\"833\"\u003eguitar amplifiers\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-end=\"1184\" data-start=\"906\"\u003e\u003cstrong data-end=\"915\" data-start=\"906\"\u003eBass\u003c\/strong\u003e : Deep and firm. The low end is \u003cstrong data-end=\"969\" data-start=\"953\"\u003ewell anchored\u003c\/strong\u003e , with \u003cstrong data-end=\"1023\" data-start=\"975\"\u003econtrolled punch and excellent articulation\u003c\/strong\u003e . The bass is not intrusive, but supports the soundstage with \u003cstrong data-end=\"1105\" data-start=\"1080\"\u003eauthority and precision\u003c\/strong\u003e , making this tube ideal for systems with extended frequency response.\u003c\/p\u003e\n\u003cp data-end=\"1464\" data-start=\"1186\"\u003e\u003cstrong data-end=\"1194\" data-start=\"1186\"\u003eMids\u003c\/strong\u003e : full-bodied and centered. The timbral heart of the RCAs lies in the \u003cstrong data-end=\"1303\" data-start=\"1256\"\u003efull, natural and dynamically rich mids\u003c\/strong\u003e . Voices are \u003cstrong data-end=\"1341\" data-start=\"1318\"\u003ecredible and direct\u003c\/strong\u003e , acoustic instruments emerge with \u003cstrong data-end=\"1416\" data-start=\"1379\"\u003epresence and well-defined harmonics\u003c\/strong\u003e , without ever artificially coloring the signal.\u003c\/p\u003e\n\u003cp data-end=\"1729\" data-start=\"1466\"\u003e\u003cstrong data-end=\"1474\" data-start=\"1466\"\u003eHighs\u003c\/strong\u003e : refined and present. The high range is \u003cstrong data-end=\"1544\" data-start=\"1524\"\u003eextended but silky\u003c\/strong\u003e , with a \u003cstrong data-end=\"1586\" data-start=\"1553\"\u003edetail finely integrated\u003c\/strong\u003e into the musical context. No tendency towards excessive brightness: only \u003cstrong data-end=\"1699\" data-start=\"1661\"\u003etransparency and natural definition\u003c\/strong\u003e , even during prolonged listening.\u003c\/p\u003e\n\u003cp data-end=\"2002\" data-start=\"1731\"\u003e\u003cstrong data-end=\"1743\" data-start=\"1731\"\u003eDynamics\u003c\/strong\u003e : solid and progressive. The response to transients is \u003cstrong data-end=\"1820\" data-start=\"1795\"\u003efast but controlled\u003c\/strong\u003e , with \u003cstrong data-end=\"1875\" data-start=\"1830\"\u003eexcellent linearity even at high volume\u003c\/strong\u003e . The power output is fluid, with a \u003cstrong data-end=\"1980\" data-start=\"1918\"\u003edynamic capacity that supports micro and macro variations\u003c\/strong\u003e without ever collapsing.\u003c\/p\u003e\n\u003cp data-end=\"2208\" data-start=\"2004\"\u003e\u003cstrong data-end=\"2018\" data-start=\"2004\"\u003eSoundstage\u003c\/strong\u003e : wide and stable. The stereo image is \u003cstrong data-end=\"2104\" data-start=\"2063\"\u003ecoherent, deep and well-layered\u003c\/strong\u003e , with \u003cstrong data-end=\"2151\" data-start=\"2110\"\u003eexcellent positioning of the instruments\u003c\/strong\u003e and a \u003cstrong data-end=\"2207\" data-start=\"2181\"\u003ecredible and enveloping\u003c\/strong\u003e spatial reconstruction.\u003c\/p\u003e\n\u003cp data-end=\"2639\" data-start=\"2215\"\u003e🎧 \u003cstrong data-end=\"2265\" data-start=\"2218\"\u003eUse in Push-Pull Stereo Hi-Fi Amplifiers\u003c\/strong\u003e \u003cbr data-end=\"2268\" data-start=\"2265\"\u003eThe 6L6GC RCA Black Plates are particularly suited for 6L6GC-compatible \u003cstrong data-end=\"2358\" data-start=\"2342\"\u003eClass AB\u003c\/strong\u003e amplifiers (e.g. \u003cstrong data-end=\"2414\" data-start=\"2386\"\u003eHarman Kardon Citation V\u003c\/strong\u003e , \u003cstrong data-end=\"2432\" data-start=\"2416\"\u003eHeathkit W5M\u003c\/strong\u003e , \u003cstrong data-end=\"2450\" data-start=\"2434\"\u003ePilot SA-260\u003c\/strong\u003e , or high-end homebrew designs). They deliver a \u003cstrong data-end=\"2525\" data-start=\"2503\"\u003eneutral yet musical\u003c\/strong\u003e sound, with dynamic, emotional output that enhances any musical genre, from classical to acoustic rock.\u003c\/p\u003e\n\u003cp data-end=\"3024\" data-start=\"2641\"\u003e🎸 \u003cstrong data-end=\"2689\" data-start=\"2644\"\u003eUse in Guitar and Bass Amplifiers\u003c\/strong\u003e \u003cbr data-end=\"2692\" data-start=\"2689\"\u003eAmong the \u003cstrong data-end=\"2745\" data-start=\"2707\"\u003emost appreciated tubes in Fender history\u003c\/strong\u003e , the RCA 6L6GC are synonymous with \u003cstrong data-end=\"2800\" data-start=\"2777\"\u003ecreamy saturation\u003c\/strong\u003e , \u003cstrong data-end=\"2842\" data-start=\"2802\"\u003eclean and harmonic-rich headroom\u003c\/strong\u003e , \u003cstrong data-end=\"2881\" data-start=\"2844\"\u003eprogressive musical compression\u003c\/strong\u003e . Ideal for amps such as \u003cstrong data-end=\"2920\" data-start=\"2905\"\u003eTwin Reverb\u003c\/strong\u003e , \u003cstrong data-end=\"2933\" data-start=\"2922\"\u003eBassman\u003c\/strong\u003e , \u003cstrong data-end=\"2949\" data-start=\"2935\"\u003eBandmaster\u003c\/strong\u003e , where the sound must be \u003cstrong data-end=\"3023\" data-start=\"2977\"\u003ealive, dynamic and ready to react to the touch\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-end=\"3372\" data-start=\"3026\"\u003e🎯 \u003cstrong data-end=\"3061\" data-start=\"3029\"\u003eNote for audiophiles and technicians\u003c\/strong\u003e \u003cbr data-end=\"3064\" data-start=\"3061\"\u003eAn \u003cstrong data-end=\"3087\" data-start=\"3076\"\u003eiconic\u003c\/strong\u003e valve, representing the American tonal standard par excellence. The \u003cstrong data-end=\"3175\" data-start=\"3155\"\u003eRCA Black Plates\u003c\/strong\u003e , in \u003cstrong data-end=\"3211\" data-start=\"3195\"\u003ematched pair\u003c\/strong\u003e configuration, guarantee \u003cstrong data-end=\"3284\" data-start=\"3226\"\u003eelectrical coherence, tonal balance and a unique voice\u003c\/strong\u003e , appreciated both in high fidelity systems and in professional musical instruments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTested on AMPLITREX AT-1000 Tube tester:\u003c\/strong\u003e\u003cbr\u003eVf = 6.3V; Va = 350; Vg2 = 250; Vg1 = -18V\u003cbr\u003eAverage 100% Gm = 5200 ; Ia = 54 mA\u003cbr\u003e\u003cstrong\u003eTEST RESULT:\u003c\/strong\u003e\u003c\/span\u003e \u003cstrong\u003eVERY\u003c\/strong\u003e \u003cstrong\u003eSTRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eValve 1: Gm = 4740 ; Ia = 55 mA\u003cbr\u003eValve 2: Gm = 4900 ; Ia = 59 mA\u003cstrong\u003e\u003c\/strong\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\u003e\u003cmeta charset=\"utf-8\"\u003e Standard. Tested and compliant for use in hi-fi and guitar amplifiers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOutput Quality:\u003c\/strong\u003e Excellent – Very strong and stable output, no 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\u003eConditions:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Vintage Tubes - Tested and in perfect working order. Supplied in our custom box for optimum protection.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFunctionality:\u003c\/strong\u003e Fully functional.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAesthetic Condition:\u003c\/strong\u003e Sufficient – Writing completely disappeared, with obvious signs of wear on the base or feet. See photos for details.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e None. Manufacturing year detected by internal structure - Made in USA in the 1960s.\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\u003eFind out why our valves are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"RCA","offers":[{"title":"Default Title","offer_id":54811554840924,"sku":"02977L","price":149.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/3_ca7cb761-06cc-4b60-81d5-b56f1bcb3beb.jpg?v=1750685836","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/6l6gc-rca-black-plates-halo-side-getter-matched-pair-usa-tubes-tested-strong-amplitrex","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}