{"product_id":"12ax7-ecc83-raytheon-long-black-plates-labeled-baldwin-o-getter-matched-tubes-made-in-usa-61","title":"12AX7 ECC83 Baldwin by Raytheon – Long Black Plates Halo Getter Matched Trio Tubes USA 1961","description":"\u003cp\u003e\u003cstrong\u003e12AX7 ( ECC83 ) Baldwin by RAYTHEON Long Black Plates Halo Getter Matched Trio Tubes Made in USA '61\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"314\" data-end=\"653\" class=\"\"\u003eThe \u003cstrong data-start=\"317\" data-end=\"389\"\u003ematched trio of 12AX7 Raytheon Long Black Plates labeled Baldwin\u003c\/strong\u003e , manufactured in the USA in 1961, represent an ideal configuration for three-stage tube preamplifiers or for use in dual mono stereo amplifiers, where \u003cstrong data-start=\"576\" data-end=\"652\"\u003etonal uniformity, dynamic coherence and refined musical response\u003c\/strong\u003e are required.\u003c\/p\u003e\n\u003cp data-start=\"655\" data-end=\"1006\" class=\"\"\u003eThese tubes, selected with long black plates and \"O\"-shaped getters, offer a \u003cstrong data-start=\"749\" data-end=\"785\"\u003erich, precise and three-dimensional\u003c\/strong\u003e sound, with a tonal balance that combines naturalness and detail. The Raytheon sound signature is recognized for the \u003cstrong data-start=\"894\" data-end=\"947\"\u003erefinement in the restitution of micro details\u003c\/strong\u003e , combined with a \u003cstrong data-start=\"961\" data-end=\"1005\"\u003efull but never intrusive harmonic presence\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-start=\"1008\" data-end=\"1133\" class=\"\"\u003e\u003cstrong data-start=\"1008\" data-end=\"1017\"\u003eBass\u003c\/strong\u003e : dry but well present, with a fast and precise response. No bloat, just control and articulation.\u003c\/p\u003e\n\u003cp data-start=\"1135\" data-end=\"1295\" class=\"\"\u003e\u003cstrong data-start=\"1135\" data-end=\"1143\"\u003eMids\u003c\/strong\u003e : elegant, transparent and musical. Voices emerge naturally, and harmonic instruments maintain body and roundness without excessive coloration.\u003c\/p\u003e\n\u003cp data-start=\"1297\" data-end=\"1431\" class=\"\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1305\"\u003eHighs\u003c\/strong\u003e : extended and delicate, with a bright but never fatiguing rendering. The high range is airy and returns the detail with fluidity.\u003c\/p\u003e\n\u003cp data-start=\"1433\" data-end=\"1573\" class=\"\"\u003e\u003cstrong data-start=\"1433\" data-end=\"1445\"\u003eDynamics\u003c\/strong\u003e : balanced and reactive, able to follow signal variations promptly and fluidly, without ever compressing or forcing.\u003c\/p\u003e\n\u003cp data-start=\"1575\" data-end=\"1748\" class=\"\"\u003e\u003cstrong data-start=\"1575\" data-end=\"1589\"\u003eSoundstage\u003c\/strong\u003e : wide and well distributed. The stereo image is solid, with excellent depth and separation, ideal even in three-channel or separate-stage configurations.\u003c\/p\u003e\n\u003cp data-start=\"1750\" data-end=\"2007\" class=\"\"\u003eThese matched tubes are \u003cstrong data-start=\"1778\" data-end=\"1859\"\u003ea reference choice for those who want an open, coherent, and mature sound\u003c\/strong\u003e , with a refined musical presentation, perfect for advanced hi-fi, handcrafted preamps, and professional recording applications.\u003c\/p\u003e\n\u003cp data-start=\"215\" data-end=\"691\" class=\"\"\u003e🎸 \u003cstrong data-start=\"218\" data-end=\"263\"\u003eUse in Guitar and Bass Amplifiers\u003c\/strong\u003e\u003cbr data-start=\"263\" data-end=\"266\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"294\" data-end=\"662\" class=\"\"\u003eThe \u003cstrong data-start=\"297\" data-end=\"335\"\u003e12AX7 Raytheon labeled Baldwin\u003c\/strong\u003e is a tube highly appreciated also in the musical field for its balance between detail and musicality. In guitar preamps, it delivers a \u003cstrong data-start=\"498\" data-end=\"589\"\u003etransparent sound, rich in harmonics, with a controlled attack and a prompt dynamic response\u003c\/strong\u003e , making it ideal for both clean styles and light dynamic crunch.\u003c\/p\u003e\n\u003cp data-start=\"664\" data-end=\"902\" class=\"\"\u003eThis matched trio is perfect for three-stage amplifiers (like the Fender Deluxe Reverb or Marshall JCM800), where the \u003cstrong data-start=\"783\" data-end=\"901\"\u003ecoherence between the tubes ensures tonal consistency and greater definition throughout the signal path\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-start=\"904\" data-end=\"1231\" class=\"\"\u003e🔊 Ideal for musicians looking for:\u003c\/p\u003e\n\u003cp data-start=\"904\" data-end=\"1231\" class=\"\"\u003e✅ Clean and articulated, with a natural and never sterile timbre\u003cbr data-start=\"1001\" data-end=\"1004\"\u003e✅ Defined overdrives, never muddy, with great separation between notes\u003cbr data-start=\"1075\" data-end=\"1078\"\u003e✅ Dynamic control, useful for playing with your fingers or for using the volume potentiometer \u003cbr data-start=\"1169\" data-end=\"1172\"\u003e✅ Excellent headroom and tonal stability even at high volumes\u003c\/p\u003e\n\u003cp data-start=\"1233\" data-end=\"1262\" class=\"\"\u003e🎸 Recommended amplifiers:\u003c\/p\u003e\n\u003cul data-start=\"1263\" data-end=\"1663\"\u003e\n\u003cli data-start=\"1263\" data-end=\"1365\" class=\"\"\u003e\n\u003cp data-start=\"1265\" data-end=\"1365\" class=\"\"\u003e\u003cstrong data-start=\"1265\" data-end=\"1310\"\u003eFender Deluxe Reverb \/ Vibrolux \/ Bassman\u003c\/strong\u003e – For clean but musical sounds, from jazz to blues\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1463\" class=\"\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1463\" class=\"\"\u003e\u003cstrong data-start=\"1368\" data-end=\"1395\"\u003eMarshall JTM45 \/ JCM800\u003c\/strong\u003e – In the early stages of gain helps maintain clarity and structure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1464\" data-end=\"1570\" class=\"\"\u003e\n\u003cp data-start=\"1466\" data-end=\"1570\" class=\"\"\u003e\u003cstrong data-start=\"1466\" data-end=\"1493\"\u003eMesa Boogie Mark Series\u003c\/strong\u003e – Excellent definition and headroom, even in high saturation contexts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1571\" data-end=\"1663\" class=\"\"\u003e\n\u003cp data-start=\"1573\" data-end=\"1663\" class=\"\"\u003e\u003cstrong data-start=\"1573\" data-end=\"1615\"\u003eBoutique amps (Dr. Z, Carr, Matchless)\u003c\/strong\u003e – For harmonically rich yet controlled sounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1665\" data-end=\"1894\" class=\"\"\u003e🎯 \u003cstrong data-start=\"1668\" data-end=\"1705\"\u003eNote for professional musicians\u003c\/strong\u003e :\u003cbr data-start=\"1706\" data-end=\"1709\"\u003eThe coherent behavior of this matched trio allows for a stable, well-controlled and surprise-free sound reproduction, ideal in the studio or in live performances where every detail counts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValve 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\u0026nbsp;\u003c\/span\u003eGm = 1600 ; Ia = 1.2 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY 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 = 1500 ; Ia = 0.9 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 1500 ; Ia = 0.9 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 = 1400 ; Ia = 0.8 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 1500 ; Ia = 0.9 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValve 3:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 1500 ; Ia = 0.8 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eGm = 1400 ; Ia = 0.8 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\u003cmeta charset=\"utf-8\"\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 Vintage - Tested and working - 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\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 P28061-17C - Manufacturing RAYTHEON - 17th week of 1961\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":"RAYTHEON","offers":[{"title":"Default Title","offer_id":54334462755164,"sku":"02882","price":179.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_321d5f57-9442-460b-aa7d-291189c89c09.jpg?v=1744793981","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/12ax7-ecc83-raytheon-long-black-plates-labeled-baldwin-o-getter-matched-tubes-made-in-usa-61","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}