{"product_id":"6201-jg-12at7wa-ge-tested-pair-3-mica-black-wing-plates-made-in-usa","title":"6201 JG-12AT7WA GE Tested Pair 3 Mica Black Wing Plates Made in USA","description":"\u003cp\u003e\u003cstrong\u003e6201 JG-12AT7WA GE Tested Pair 3 Mica Black Wing Plates Made in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"405\" data-end=\"812\"\u003eThis select pair of \u003cstrong data-start=\"434\" data-end=\"455\"\u003e6201\/JG-12AT7WAs\u003c\/strong\u003e was produced by \u003cstrong data-start=\"476\" data-end=\"501\"\u003eGeneral Electric (GE)\u003c\/strong\u003e in the \u003cstrong data-start=\"508\" data-end=\"523\"\u003eUnited States\u003c\/strong\u003e , and represents a high-reliability military (Joint Army-Navy) version of the classic 12AT7.\u003cbr data-start=\"621\" data-end=\"624\"\u003eThe tubes feature the typical \u003cstrong data-start=\"666\" data-end=\"678\"\u003e3-mica\u003c\/strong\u003e construction, with \u003cstrong data-start=\"684\" data-end=\"735\"\u003eblack wing plates\u003c\/strong\u003e , characteristic of many of the better GE productions of the 1950s–1960s.\u003c\/p\u003e\n\u003cp data-start=\"814\" data-end=\"1010\"\u003eThese are \u003cmeta charset=\"utf-8\"\u003e \u003cstrong data-start=\"846\" data-end=\"871\" data-mce-fragment=\"1\"\u003eindividually tested\u003c\/strong\u003e\u003cstrong data-start=\"827\" data-end=\"844\"\u003e\u0026nbsp;valves\u003c\/strong\u003e,\u0026nbsp;on professional equipment, ideal for audio applications and precision engineering.\u003c\/p\u003e\n\u003ch3 data-start=\"1017\" data-end=\"1069\"\u003eTimbre characteristics and sound description\u003c\/h3\u003e\n\u003cp data-start=\"1071\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1071\" data-end=\"1081\"\u003eBass:\u003c\/strong\u003e\u003cbr data-start=\"1081\" data-end=\"1084\"\u003e\u003cem data-start=\"1084\" data-end=\"1118\"\u003eCompact, fast, and well-defined.\u003c\/em\u003e The 6201 GE delivers \u003cstrong data-start=\"1147\" data-end=\"1171\"\u003eclean, controlled\u003c\/strong\u003e bass with good impact and responsive transients. Perfect for dynamic systems that prioritize clarity.\u003c\/p\u003e\n\u003cp data-start=\"1280\" data-end=\"1495\"\u003e\u003cstrong data-start=\"1280\" data-end=\"1289\"\u003eMedium:\u003c\/strong\u003e \u003cbr data-start=\"1289\" data-end=\"1292\"\u003e\u003cem data-start=\"1292\" data-end=\"1311\"\u003eNeutral and precise.\u003c\/em\u003e The midrange is \u003cstrong data-start=\"1329\" data-end=\"1354\"\u003etransparent and linear\u003c\/strong\u003e , with a \u003cstrong data-start=\"1369\" data-end=\"1391\"\u003eclear and analytical\u003c\/strong\u003e sound, without emphasis. Voices and instruments are reproduced with technical rigor and excellent intelligibility.\u003c\/p\u003e\n\u003cp data-start=\"1497\" data-end=\"1743\"\u003e\u003cstrong data-start=\"1497\" data-end=\"1506\"\u003eHighs:\u003c\/strong\u003e\u003cbr data-start=\"1506\" data-end=\"1509\"\u003e\u003cem data-start=\"1509\" data-end=\"1534\"\u003eDetailed and dry.\u003c\/em\u003e The high frequencies are \u003cstrong data-start=\"1558\" data-end=\"1589\"\u003ebright but not aggressive\u003c\/strong\u003e , with a \u003cstrong data-start=\"1613\" data-end=\"1635\"\u003esober and effective\u003c\/strong\u003e timbre, typical of the American school. Excellent for listening in treated environments or on systems with a warm character.\u003c\/p\u003e\n\u003cp data-start=\"1745\" data-end=\"1926\"\u003e\u003cstrong data-start=\"1745\" data-end=\"1758\"\u003eDynamics:\u003c\/strong\u003e \u003cbr data-start=\"1758\" data-end=\"1761\"\u003e\u003cem data-start=\"1761\" data-end=\"1783\"\u003eResponsive and incisive.\u003c\/em\u003e Transient response is \u003cstrong data-start=\"1812\" data-end=\"1822\"\u003erapid\u003c\/strong\u003e , with \u003cstrong data-start=\"1828\" data-end=\"1847\"\u003eexcellent headroom\u003c\/strong\u003e and the ability to maintain control even under variable signal conditions.\u003c\/p\u003e\n\u003cp data-start=\"1928\" data-end=\"2100\"\u003e\u003cstrong data-start=\"1928\" data-end=\"1943\"\u003eSoundstage:\u003c\/strong\u003e\u003cbr data-start=\"1943\" data-end=\"1946\"\u003e\u003cem data-start=\"1946\" data-end=\"1967\"\u003eStable and centered.\u003c\/em\u003e The scene is well-focused, \u003cstrong data-start=\"1996\" data-end=\"2026\"\u003emore technical than immersive\u003c\/strong\u003e , but with \u003cstrong data-start=\"2035\" data-end=\"2071\"\u003egood source separation\u003c\/strong\u003e and consistent depth.\u003c\/p\u003e\n\u003ch3 data-start=\"2107\" data-end=\"2164\"\u003e🎧 Use in Hi-Fi Amplifiers, DACs and Preamplifiers\u003c\/h3\u003e\n\u003cp data-start=\"2166\" data-end=\"2461\"\u003eThe 6201 is an excellent choice for gain stages, \u003cstrong data-start=\"2225\" data-end=\"2235\"\u003edriver\u003c\/strong\u003e circuits, or \u003cstrong data-start=\"2239\" data-end=\"2257\"\u003elinear buffers\u003c\/strong\u003e in \u003cstrong data-start=\"2272\" data-end=\"2288\"\u003estereo hi-fi\u003c\/strong\u003e equipment, tube DACs, or preamplifiers. \u003cbr data-start=\"2323\" data-end=\"2326\"\u003eThis GE pair stands out for \u003cstrong data-start=\"2360\" data-end=\"2388\"\u003eits precision and transparency\u003c\/strong\u003e , making it particularly suitable for \u003cstrong data-start=\"2435\" data-end=\"2460\"\u003eanalytical or study\u003c\/strong\u003e systems.\u003c\/p\u003e\n\u003ch3 data-start=\"2468\" data-end=\"2503\"\u003e🎸 Use in Music Applications\u003c\/h3\u003e\n\u003cp data-start=\"2505\" data-end=\"2767\"\u003eIn music, the 6201 GE is ideal for \u003cstrong data-start=\"2549\" data-end=\"2583\"\u003etube instrument preamps\u003c\/strong\u003e , boutique amplifiers, or \u003cstrong data-start=\"2610\" data-end=\"2634\"\u003estudio rack units\u003c\/strong\u003e where you want \u003cstrong data-start=\"2649\" data-end=\"2697\"\u003econtrol, signal clarity, and definition\u003c\/strong\u003e , with a more technical character than European or euphonic tubes.\u003c\/p\u003e\n\u003ch3 data-start=\"2774\" data-end=\"2809\"\u003e🎯 Note for audiophiles and technicians\u003c\/h3\u003e\n\u003cp data-start=\"2811\" data-end=\"3167\"\u003eThe \u003cstrong data-start=\"2814\" data-end=\"2866\"\u003e6201 GE Black Wing Plates with 3-mica structure\u003c\/strong\u003e , in the military \u003cstrong data-start=\"2883\" data-end=\"2897\"\u003eJG-12AT7WA\u003c\/strong\u003e version, are known for their \u003cstrong data-start=\"2930\" data-end=\"2979\"\u003estability, quietness and uniformity in tests\u003c\/strong\u003e . \u003cbr data-start=\"2980\" data-end=\"2983\"\u003eThis \u003cstrong data-start=\"2997\" data-end=\"3016\"\u003eused and tested\u003c\/strong\u003e pair, selected for quality audio applications, represents an excellent choice for those looking for \u003cstrong data-start=\"3113\" data-end=\"3166\"\u003eprecise, reliable and consistent sound over time\u003c\/strong\u003e .\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValves tested on \u003cstrong\u003eAMPLITREX AT-1000\u003c\/strong\u003e Tube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e \u003cspan\u003eVa = 250V ; Vg = -2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e \u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eGm = 5.5 ; Ia = 10 mA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTest Result:\u003c\/strong\u003e STRONG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValve 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 4.9, ; Ia = 8.2 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 4.8 ; Ia = 7.6 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValve 2:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 4.6 ; Ia = 8.8 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 4.1 ; Ia = 7.4 mA\u003c\/li\u003e\n\u003c\/ul\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\u003c\/span\u003e \u003cmeta charset=\"utf-8\"\u003eLow Noise \u0026amp; Microphonics. Tested and approved for use in hi-fi and studio amplifiers.\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. Shipped in our custom box for optimal 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\u003eCosmetic condition:\u003c\/strong\u003e Good – Lettering partially eroded, but still legible. Valve body in good condition. See photos for details.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e None. Year of manufacture detected by the internal structure - Manufactured in the 1960s\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":55206101811548,"sku":"03041","price":94.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_dc3d99e2-8dcf-4516-847b-42558d064160.jpg?v=1754668771","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/6201-jg-12at7wa-ge-tested-pair-3-mica-black-wing-plates-made-in-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}