{"product_id":"12ax7-ecc83-nos-mullard-blackburn-1959-short-gray-plates-halo-getter-balanced-section-copia","title":"12AX7 \/ ECC83 NOS MULLARD Blackburn 1959 – Long Gray Plates – Halo Getter – Balanced Section","description":"\u003cp\u003e \u003cstrong\u003e12AX7 \/ ECC83 NOS MULLARD – Blackburn (Great Britain) 1959\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eLong Gray Plates – Halo Getter – Balanced Section – Low Noise \u0026amp; Microphonics\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003eDescription:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"495\" data-end=\"719\"\u003e This 12AX7 \/ ECC83 NOS MULLARD, produced in the historic Blackburn factory (Great Britain) in May 1959 (f92 B9E), represents one of the most iconic and sought-after versions of the Mullard production of the late 1950s.\u003c\/p\u003e\n\n\u003cp data-start=\"721\" data-end=\"1006\"\u003e The \u003cstrong data-start=\"739\" data-end=\"775\"\u003eLong Gray Plates configuration with halo getter\u003c\/strong\u003e identifies the classic Mullard “golden era” phase, appreciated for the extraordinary harmonic richness, tonal depth and natural musicality that have made these tubes an absolute reference among audiophiles and musicians.\u003c\/p\u003e\n\n \u003cp data-start=\"1008\" data-end=\"1256\"\u003eThis unit is in \u003cstrong data-start=\"1025\" data-end=\"1053\"\u003eauthentic NOS condition\u003c\/strong\u003e , with an engraved manufacturing code, balanced sections, and low noise and microphony. This tube fully expresses the historical prestige and construction refinement of Mullard Blackburn.\u003c\/p\u003e\n\n\u003ch3 data-start=\"1263\" data-end=\"1288\"\u003e \u003cstrong\u003eSound Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"1290\" data-end=\"1301\"\u003e \u003cstrong\u003eBass:\u003c\/strong\u003e Fuller and more textured than the short-plate versions. The low end is deep, authoritative, and structured, with a sense of greater body and harmonic density.\u003c\/p\u003e\n\n\u003cp data-start=\"1470\" data-end=\"1480\"\u003e \u003cstrong\u003eMids:\u003c\/strong\u003e The absolute strength of the long plate. Rich, three-dimensional, and harmonically complex. Vocals are more present, palpable, and engaging, with a natural, fluid texture.\u003c\/p\u003e\n\n\u003cp data-start=\"1678\" data-end=\"1688\"\u003e \u003cstrong\u003eHighs:\u003c\/strong\u003e Sweet, airy, and refined. The highs are extended yet elegant, with a controlled brightness that doesn't tire the listener.\u003c\/p\u003e\n\n \u003cp data-start=\"1820\" data-end=\"1834\"\u003e\u003cstrong\u003eDynamics:\u003c\/strong\u003e Expressive and organic. Microdynamics are particularly evident, with a natural and musical transient response that is never aggressive.\u003c\/p\u003e\n\n\u003cp data-start=\"1972\" data-end=\"1988\"\u003e \u003cstrong\u003eSoundstage:\u003c\/strong\u003e Wide and deep, with a greater sense of three-dimensionality and layering than short plates. The soundstage is stable, realistic, and full of space between instruments.\u003c\/p\u003e\n\n\u003ch3 data-start=\"2164\" data-end=\"2196\"\u003e \u003cstrong\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"2198\" data-end=\"2209\"\u003e Ideal for:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2213\" data-end=\"2267\"\u003e high-level input and pre-amplification stages,\u003c\/li\u003e\n\n\u003cli data-start=\"2270\" data-end=\"2365\"\u003e preamplifiers and hi-fi integrated amplifiers where materiality, depth and harmonic richness are sought.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"2367\" data-end=\"2474\"\u003e Particularly suitable for jazz, vocal, classical, acoustic music and quality analog recordings.\u003c\/p\u003e\n\n\u003ch3 data-start=\"2481\" data-end=\"2515\"\u003e \u003cstrong\u003e🎸 Use in Music Applications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"2517\" data-end=\"2543\"\u003e Also highly appreciated in:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2547\" data-end=\"2593\"\u003e vintage and boutique guitar amplifiers,\u003c\/li\u003e\n\n\u003cli data-start=\"2596\" data-end=\"2665\"\u003e position V1 in contexts where greater harmonic thickness is desired.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"2667\" data-end=\"2796\"\u003e It offers rich harmonics, natural dynamic response and the classic British Mullard character in its fullest expression.\u003c\/p\u003e\n\n \u003ch3 data-start=\"2803\" data-end=\"2827\"\u003e\u003cstrong\u003e🎯 Note for audiophiles\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2926\" data-end=\"2986\"\u003e Blackburn “golden era” production with engraved code f92 B9E\u003c\/li\u003e\n\n\u003cli data-start=\"2989\" data-end=\"3009\"\u003e true NOS condition\u003c\/li\u003e\n\n\u003cli data-start=\"3012\" data-end=\"3074\"\u003e balanced sections with low noise and contained microphonics\u003c\/li\u003e\n\n\u003cli data-start=\"3077\" data-end=\"3144\"\u003e one of the absolute references among the Mullard ECC83s of the late 50s\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"3146\" data-end=\"3350\"\u003e A tube designed for those who want the most expressive, deep and harmonically rich version of the Mullard sound, with superior sonic and collectible value, in true Vacuum Tubes Treasures 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\u003eVa = 250V ; Vg = -2V\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1600 ; Ia = 1.2 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY 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\u003eGm = 1400 ; Ia = 1.0 mA\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSection 2:\u003c\/strong\u003e \u003cspan\u003eGm = 1400 ; Ia = 1.0 mA\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cdiv\u003e \u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003cul\u003e\n\n \u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMicrophonics:\u003c\/strong\u003e Low. Tested and approved for use in hi-fi, including phono stages and guitar amplifiers. Also suitable for V1.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan\u003e\u003cstrong\u003eNoise:\u003c\/strong\u003e Low and well-controlled. Silent operation in hi-fi and music amplifiers in the intended positions.\u003c\/span\u003e\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 \u003cspan\u003e\u003cstrong\u003eOutput Quality:\u003c\/strong\u003e Excellent – ​​Very strong and stable output, no fluctuations.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan\u003e\u003cstrong\u003eShort circuits and GAS:\u003c\/strong\u003e Absent.\u003c\/span\u003e\n\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 NOS - New Old Stock - Tested and working - Supplied in our custom box for optimal protection.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFunctionality:\u003c\/strong\u003e Fully functional.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eCosmetic condition:\u003c\/strong\u003e Excellent – ​​Excellently preserved lettering, minimal signs of wear. See photos for details.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e f92 B9E→\u003cmeta charset=\"utf-8\"\u003e f92 indicates an ECC83 long plates with the sequential progression of x, where the increment of x indicates the production changes -\u003cmeta charset=\"utf-8\"\u003e B9E B → Mullard, Blackburn - 9 (out of three digits) → 1959 - E → May\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/vacuumtubestreasures.com\/blogs\/notizie\/perche-le-nostre-valvole-sono-diverse\" title=\"Why our tubes are different – ​​the VTT protocol that improves sound, reliability and durability\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eFind out why our valves are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"MULLARD","offers":[{"title":"Default Title","offer_id":56699252605276,"sku":"03417","price":239.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_5645a644-c8b2-467e-96d4-547d0747e360.jpg?v=1770823196","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/12ax7-ecc83-nos-mullard-blackburn-1959-short-gray-plates-halo-getter-balanced-section-copia","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}