{"product_id":"12ax7-ecc83-nos-mullard-blackburn-1959-short-gray-plates-halo-getter-balanced-section","title":"12AX7 \/ ECC83 NOS MULLARD Blackburn 1959 – Short Gray Plates – Halo Getter – Balanced Section","description":"\u003cp\u003e \u003cstrong\u003e12AX7 \/ ECC83 NOS MULLARD – Blackburn (Great Britain) 1959\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eShort 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 class=\"p1\"\u003e This \u003cspan class=\"s1\"\u003e\u003cb\u003e12AX7 \/ ECC83 NOS MULLARD\u003c\/b\u003e\u003c\/span\u003e , produced in the historic \u003cspan class=\"s1\"\u003e\u003cb\u003eBlackburn factory (Great Britain)\u003c\/b\u003e\u003c\/span\u003e in \u003cspan class=\"s1\"\u003e\u003cb\u003e1959\u003c\/b\u003e\u003c\/span\u003e , represents one of the most appreciated and musically balanced versions of the Mullard production of the late 50s.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The configuration with \u003cspan class=\"s1\"\u003e\u003cb\u003eshort gray plates\u003c\/b\u003e\u003c\/span\u003e and \u003cspan class=\"s1\"\u003e\u003cb\u003ehalo getter\u003c\/b\u003e\u003c\/span\u003e identifies a mature and highly reliable production phase, today highly sought after for the ideal combination of stability, silence and sonic refinement.\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThe valve is \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS\u003c\/b\u003e\u003c\/span\u003e , has \u003cspan class=\"s1\"\u003e\u003cb\u003ebalanced sections\u003c\/b\u003e\u003c\/span\u003e and is characterised by \u003cspan class=\"s1\"\u003e\u003cb\u003elow noise and contained microphonics\u003c\/b\u003e\u003c\/span\u003e , making it perfectly suited even to sensitive positions in the circuit. An example that fully expresses the prestige and construction quality of Mullard of Blackburn.\u003c\/p\u003e\n\n\u003ch3 class=\"p3\"\u003e \u003cstrong\u003eSound Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eBass:\u003c\/b\u003e Compact, tidy, and well-controlled. The low end is precise and coherent, with solid support that doesn't weigh down the musical message.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eMids:\u003c\/b\u003e The heart of the Mullard sound. Rich, warm, and three-dimensional, with extremely natural voices and a fluid, engaging harmonic texture.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eHighs:\u003c\/b\u003e Silky, well-extended, and refined. The highs are airy and never aggressive, making for long, consistently enjoyable listening sessions.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eDynamics:\u003c\/b\u003e Smooth and natural. Excellent microdynamics, with a responsive yet composed and musical transient response.\u003c\/p\u003e\n\n \u003cp class=\"p3\"\u003e\u003cb\u003eSoundstage:\u003c\/b\u003e Wide, stable, and well-layered. The soundstage is three-dimensional and believable, with natural separation of musical lines.\u003c\/p\u003e\n\n\u003ch3 class=\"p3\"\u003e \u003cstrong\u003e\u003cspan class=\"s2\"\u003e🎧\u003c\/span\u003e Use in Hi-Fi Amplifiers\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e Ideal for:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli class=\"p1\"\u003e medium-high and high quality input and pre-amplification stages,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e preamplifiers and hi-fi integrated amplifiers where silence, balance and natural timbre are required.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"p1\"\u003e Particularly suitable for jazz, classical, vocal and acoustic music.\u003c\/p\u003e\n\n\u003ch3 class=\"p3\"\u003e \u003cstrong\u003e\u003cspan class=\"s2\"\u003e🎸\u003c\/span\u003e Use in Music Applications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e Also highly appreciated in:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli class=\"p1\"\u003e vintage and boutique guitar amplifiers,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e \u003cspan class=\"s1\"\u003e\u003cb\u003eV1\u003c\/b\u003e\u003c\/span\u003e position, thanks to \u003cspan class=\"s1\"\u003e\u003cb\u003elow noise \u0026amp; low microphonics\u003c\/b\u003e\u003c\/span\u003e and balanced sections.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"p1\"\u003e It offers rich harmonics, great definition and classic British Mullard character.\u003c\/p\u003e\n\n\u003ch3 class=\"p3\"\u003e \u003cstrong\u003e\u003cspan class=\"s2\"\u003e🎯\u003c\/span\u003e Note for audiophiles\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n \u003cp class=\"p3\"\u003e\u003cspan class=\"s2\"\u003eThis\u003c\/span\u003e \u003cb\u003e12AX7 \/ ECC83 NOS MULLARD Blackburn 1959 – Short Gray Plates – Halo Getter\u003c\/b\u003e \u003cspan class=\"s2\"\u003erepresents:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli class=\"p1\"\u003e one of the most balanced and musical Mullard productions,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e true \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS\u003c\/b\u003e\u003c\/span\u003e condition,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e\n\n \u003cspan class=\"s1\"\u003e\u003cb\u003ebalanced sections\u003c\/b\u003e\u003c\/span\u003e with low noise and limited microphonics,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e high sound and collectible value.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"p1\"\u003e A valve designed for those who want \u003cspan class=\"s1\"\u003e\u003cb\u003ethe authentic Mullard sound\u003c\/b\u003e\u003c\/span\u003e , warm, natural and deeply musical, capable of enhancing quality hi-fi systems in true \u003cspan class=\"s1\"\u003e\u003cb\u003eVacuum 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\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\u003cstrong\u003eSection 1:\u003c\/strong\u003e \u003cspan\u003eGm = 1500 ; 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 = 1500 ; 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\n\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\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\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 I61 B9E→ I6x indicates an ECC83 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 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":"MULLARD","offers":[{"title":"Default Title","offer_id":56628825522524,"sku":"03402","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_9acfbc24-d073-4822-9261-5b1101289f2b.jpg?v=1770043709","url":"https:\/\/vacuumtubestreasures.com\/en-cy\/products\/12ax7-ecc83-nos-mullard-blackburn-1959-short-gray-plates-halo-getter-balanced-section","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}