{"product_id":"6g6g-vt-198a-rca-nos-nib-💎amplitrex-tested-tube-black-plates-power-pentode-usa","title":"6G6G = VT-198A = 6G6GT RCA NOS NIB Tested Tube Black Plates Square Getter Power Pentode USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eJAN CRC 6G6G ( VT-198A ) RCA NOS NIB Black Plates Square Getter Power Pentode Tested Tube MADE IN USA '60\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"258\" data-end=\"560\"\u003eThis \u003cstrong data-start=\"265\" data-end=\"291\"\u003eJAN CRC 6G6G \/ VT-198A\u003c\/strong\u003e , produced by \u003cstrong data-start=\"305\" data-end=\"312\"\u003eRCA\u003c\/strong\u003e in \u003cstrong data-start=\"317\" data-end=\"325\"\u003e1960\u003c\/strong\u003e , is a power amplifier pentode designed for military applications (JAN = Joint Army Navy). It is in \u003cstrong data-start=\"436\" data-end=\"470\"\u003eNOS (New Old Stock) condition\u003c\/strong\u003e , never used, and comes in \u003cstrong data-start=\"510\" data-end=\"557\"\u003eits original sealed military packaging\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-start=\"562\" data-end=\"947\"\u003eInternally it features \u003cstrong data-start=\"595\" data-end=\"611\"\u003eblack plates\u003c\/strong\u003e , a square getter, and a sturdy, well-centered symmetrical structure. The 6G6G is a variant of the 6V6 with slightly different operating characteristics, such as a lower anode voltage, a rounder dynamic response, and a smoother timbre, making it ideal for low-power but highly refined amplifiers.\u003c\/p\u003e\n\u003ch3 data-start=\"954\" data-end=\"1010\"\u003e\u003cstrong data-start=\"960\" data-end=\"1010\"\u003eTimbre characteristics and sound description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1012\" data-end=\"1238\"\u003e\u003cstrong data-start=\"1012\" data-end=\"1022\"\u003eBass:\u003c\/strong\u003e\u003cbr data-start=\"1022\" data-end=\"1025\"\u003eDry and controlled. They offer a quick and clean response, without bloat or excess, restoring the right weight to the instruments without invading the midrange. Excellent for listening in controlled environments.\u003c\/p\u003e\n\u003cp data-start=\"1240\" data-end=\"1426\"\u003e\u003cstrong data-start=\"1240\" data-end=\"1249\"\u003eMedium:\u003c\/strong\u003e \u003cbr data-start=\"1249\" data-end=\"1252\"\u003eRefined and present. Voices sound natural and well-sculpted, with a pleasant fluidity. Acoustic instruments benefit from a credible and well-articulated soundstage.\u003c\/p\u003e\n\u003cp data-start=\"1428\" data-end=\"1625\"\u003e\u003cstrong data-start=\"1428\" data-end=\"1437\"\u003eHighs:\u003c\/strong\u003e\u003cbr data-start=\"1437\" data-end=\"1440\"\u003eDelicate yet present. No harshness, no excess: the highs are silky, well-integrated into the soundscape, and enriched with good detail, ideal for long-term listening.\u003c\/p\u003e\n\u003cp data-start=\"1627\" data-end=\"1833\"\u003e\u003cstrong data-start=\"1627\" data-end=\"1640\"\u003eDynamics:\u003c\/strong\u003e\u003cbr data-start=\"1640\" data-end=\"1643\"\u003eProgressive and natural. Transient response is smooth, with consistent microdynamics. The tube reproduces changes in intensity with musicality and finesse, even at low volumes.\u003c\/p\u003e\n\u003cp data-start=\"1835\" data-end=\"2039\"\u003e\u003cstrong data-start=\"1835\" data-end=\"1850\"\u003eSoundstage:\u003c\/strong\u003e\u003cbr data-start=\"1850\" data-end=\"1853\"\u003eCentral, precise, intimate. The stereo image is stable and uncluttered, with good separation and depth. Not as extensive as that of more powerful tubes, but very realistic and focused.\u003c\/p\u003e\n\u003ch3 data-start=\"2046\" data-end=\"2117\"\u003e🎧 \u003cstrong data-start=\"2053\" data-end=\"2115\"\u003eUse in Push-Pull or Single-Ended Stereo Hi-Fi Amplifiers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2118\" data-end=\"2406\"\u003eExcellent for low-power hi-fi amplifiers, this 1960s RCA 6G6G delivers coherent and immersive sound. Perfect for tube systems with high-efficiency speakers or vintage-style DIY projects. Also recommended for audiophile-oriented single-ended applications.\u003c\/p\u003e\n\u003ch3 data-start=\"2413\" data-end=\"2455\"\u003e🎸 \u003cstrong data-start=\"2420\" data-end=\"2453\"\u003eUse in Music Amplifiers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2456\" data-end=\"2712\"\u003eRarely used in guitar, it can deliver a warm, natural tone in custom circuits. Its response is smooth, well-controlled, with gentle harmonic compression, ideal for clean, expressive sounds in recording environments.\u003c\/p\u003e\n\u003ch3 data-start=\"2719\" data-end=\"2760\"\u003e🎯 \u003cstrong data-start=\"2726\" data-end=\"2758\"\u003eNote for audiophiles and technicians\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2761\" data-end=\"3014\"\u003eThis 1960 RCA 6G6G, a JAN military version, combines solid construction with natural musicality. A solid alternative to the more common 6V6, it's a great choice for sophisticated projects or historic restorations of post-war American tube equipment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTested with \u003cstrong\u003eAMPLITREX AT-1000\u003c\/strong\u003e Tube tester:\u003cbr\u003eMeasurements taken \u003cstrong\u003eafter 10 minutes\u003c\/strong\u003e of preheating.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eTest Conditions:\u003c\/strong\u003e \u003cspan\u003eVa = 180V ; Vg2 = 180V ; Vg = 9V\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eAVERAGE 100%:\u003c\/strong\u003e Gm = 2300 ; Ia = 15 mA\u003cbr\u003e\u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY STRONG\u003c\/p\u003e\n\u003cp\u003eValve: Gm = 2500 ; Ia = 18.8 mA\u003cbr\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 Low. Tested and approved 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 \u003cspan\u003eNOS - NIB - New Old Stock, New In Box - Tested and working - Supplied in original box.\u003c\/span\u003e\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\u003eCosmetic condition:\u003c\/strong\u003e \u003cspan\u003eExcellent – Excellently preserved lettering, minimal signs of wear. See photos for details.\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManufacturing Code:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e60-09. - Made by RCA - 9th week of 1960.\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":55049424339292,"sku":"03013I","price":167.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_c7d87bef-c466-43f3-95c0-86685d876197.jpg?v=1752936851","url":"https:\/\/vacuumtubestreasures.com\/en-se\/products\/6g6g-vt-198a-rca-nos-nib-%f0%9f%92%8eamplitrex-tested-tube-black-plates-power-pentode-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}