{"product_id":"12au7-ecc82-nos-raytheon-for-baldwin-long-black-plates-halo-getter-matched-tubes-made-in-usa-65","title":"12AU7 ECC82 NOS Baldwin by Raytheon Long Black Plates Halo Getter Tested Balanced Tube USA'59","description":"\u003cp\u003e \u003cstrong\u003e12AU7 (ECC82) NOS Baldwin by Raytheon Long Black Plates Halo Getter Tested Balanced Tube Made in USA '59\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003eDescription:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e The \u003cspan class=\"s1\"\u003e\u003cb\u003e12AU7 \/ ECC82 NOS Baldwin by Raytheon\u003c\/b\u003e\u003c\/span\u003e , with \u003cspan class=\"s1\"\u003e\u003cb\u003elong black plates\u003c\/b\u003e\u003c\/span\u003e and \u003cspan class=\"s1\"\u003e\u003cb\u003ehalo getter\u003c\/b\u003e\u003c\/span\u003e , produced in the United States in \u003cspan class=\"s1\"\u003e\u003cb\u003e1959\u003c\/b\u003e\u003c\/span\u003e , represents one of the most successful expressions of the Raytheon school of the late 1950s. Originally intended for select Baldwin supplies, this version combines superior construction with a sound output of great authority and refinement.\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThe specimen is \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS\u003c\/b\u003e\u003c\/span\u003e , carefully checked in our laboratory and passed the tests with a \u003cspan class=\"s1\"\u003e\u003cb\u003eVERY STRONG\u003c\/b\u003e\u003c\/span\u003e result. The valve is \u003cspan class=\"s1\"\u003e\u003cb\u003ebalanced\u003c\/b\u003e\u003c\/span\u003e , with \u003cspan class=\"s1\"\u003e\u003cb\u003every low noise and microphonics\u003c\/b\u003e\u003c\/span\u003e , characteristics that make it particularly suitable even for sensitive stages and high-resolution systems.\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003eSound Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eBass:\u003c\/b\u003e Deep, compact, and well-controlled. The low register is solid and natural, with an excellent ability to give body and foundation to the soundstage.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eMids:\u003c\/b\u003e Rich, dense, and harmonically complete. Vocals are textured and believable, with an elegant, never-invasive presence.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eHighs:\u003c\/b\u003e Smooth and well-extended, free from harshness. The highs are airy yet balanced, ideal for long, relaxed listening sessions.\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003e\u003cb\u003eDynamics:\u003c\/b\u003e Fluid and progressive. The response is prompt but never aggressive, with dynamics that favor naturalness and timbral coherence.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eSoundstage:\u003c\/b\u003e Wide and stable soundstage, with excellent separation of planes and precise focus of instruments.\u003c\/p\u003e\n\n\u003ch3\u003e \u003cb\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/b\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e Perfect as a line tube or driver in high-quality hi-fi preamplifiers and amplifiers. Its combination of low noise, balance, and mature tone makes it ideal for high-end systems.\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003e🎸 Use in Music Applications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e Also appreciated in the musical field for its balanced response and warm, controlled character, suitable for contexts where musicality rather than aggression is sought.\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003e🎯 Note for audiophiles and technicians\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli class=\"p1\"\u003e\n\n \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS\u003c\/b\u003e\u003c\/span\u003e USA production (1959),\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e\n\n \u003cb\u003eVERY STRONG\u003c\/b\u003e \u003cspan class=\"s1\"\u003ein testing,\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e\n\n \u003cb\u003ebalanced\u003c\/b\u003e \u003cspan class=\"s1\"\u003e,\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e \n\u003cspan class=\"s1\"\u003ewith\u003c\/span\u003e \u003cb\u003elow noise \u0026amp; low microphonics\u003c\/b\u003e \u003cspan class=\"s1\"\u003e,\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e selected for high-end applications.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"p3\"\u003e A tube that combines \u003cspan class=\"s2\"\u003e\u003cb\u003ehistorical prestige, excellent construction and an authoritative sound output\u003c\/b\u003e\u003c\/span\u003e , designed for those who want an authentic American sound experience in \u003cspan class=\"s2\"\u003e\u003cb\u003ethe Vacuum Tubes Treasures\u003c\/b\u003e\u003c\/span\u003e style.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e \u003cstrong\u003eTest Results:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e Valve tested on \u003cstrong\u003eAMPLITREX AT-1000\u003c\/strong\u003e Tube Tester:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTest Conditions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVa = 250V, Vg = -8.5V\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2200 ; Ia = 10.5 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTest Result:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVERY STRONG\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eValve:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2000 ; Ia = 9.4 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2000 ; Ia = 9.2 mA\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eMicrophonics:\u003c\/strong\u003e \u003cspan\u003eLow. Tested and approved for use in hi-fi, including phono stages and guitar amplifiers. Also suitable for V1.\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan\u003e\u003cstrong\u003eBalance:\u003c\/strong\u003e The sections are coherent and well aligned, making the valve also suitable for use as a phase inverter in hi-fi and instrumental applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFunctionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFully operational.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eOutput Quality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExcellent – ​​Very strong and stable output, no fluctuations.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eShort circuits and GAS:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAbsent.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e \u003cstrong\u003eConditions:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eCondition:\u003c\/strong\u003e \u003cspan\u003eVintage tubes - Tested and in perfect working order. Shipped in our custom box for optimal protection.\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eCosmetic condition:\u003c\/strong\u003e Excellent – ​​Excellently preserved lettering, minimal signs of wear. See photos for details.\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e 280 59-33 → 280 indicates the manufacturer, i.e., Raytheon Mfg. Company, Newton 58, Mass. - 59-33 → RMA\/EIA Open Date Code → manufactured week 33, 1959\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\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":53403856077148,"sku":"02548","price":3900.0,"currency_code":"ALL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/9_c1c1063d-314f-4b2f-871a-7e05266d89fc.jpg?v=1730982579","url":"https:\/\/vacuumtubestreasures.com\/en-al\/products\/12au7-ecc82-nos-raytheon-for-baldwin-long-black-plates-halo-getter-matched-tubes-made-in-usa-65","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}