{"product_id":"12au7-ecc82-itt-short-gray-plates-halo-getter-amplitrex-tested-tube-made-in-japan","title":"12AU7 \/ ECC82 NOS ITT Short Gray Plates Halo Getter AMPLITREX Tested – Low Noise \u0026 Microphonics Tube","description":"\u003cp\u003e\u003cstrong\u003e12AU7 \/ ECC82 NOS ITT Short Gray Plates Halo Getter AMPLITREX Tested – Low Noise \u0026amp; Microphonics Tube Made in Japan\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThis \u003cspan class=\"s1\"\u003e\u003cb\u003e12AU7 \/ ECC82 ITT Made in Japan\u003c\/b\u003e\u003c\/span\u003e, featuring \u003cspan class=\"s1\"\u003e\u003cb\u003eshort gray plates and a halo getter\u003c\/b\u003e\u003c\/span\u003e, represents an extremely balanced solution within vintage Japanese production.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eITT branded tubes of Japanese origin are often appreciated for their \u003cspan class=\"s1\"\u003e\u003cb\u003eprecise and consistent construction\u003c\/b\u003e\u003c\/span\u003e, with a design approach focused on stability and authentic musical reproduction. The combination of short plates and a halo getter contributes to \u003cspan class=\"s1\"\u003e\u003cb\u003ereliable, quiet, and well-controlled performance\u003c\/b\u003e\u003c\/span\u003e, making this tube suitable for a variety of applications.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis is a tube that doesn't aim for dramatic effect, but rather for \u003cspan class=\"s1\"\u003e\u003cb\u003esonic consistency\u003c\/b\u003e\u003c\/span\u003e, offering a linear response and natural musicality, easily integrated into different systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSonic Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThis 12AU7 \/ ECC82 ITT Made in Japan stands out for its \u003cspan class=\"s1\"\u003e\u003cb\u003ebalanced, clean, and musically coherent\u003c\/b\u003e\u003c\/span\u003e sound profile, with a reproduction that prioritizes naturalness and stability across the entire spectrum.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBass: \u003c\/b\u003e\u003c\/span\u003eControlled and well-articulated, with a solid yet never overbearing presence. They provide a precise foundation that supports the sonic message without weighing it down.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMids: \u003c\/b\u003e\u003c\/span\u003eLinear and natural, with particularly convincing reproduction of vocals and acoustic instruments. Musicality emerges spontaneously, with a fluid and believable texture.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eHighs: \u003c\/b\u003e\u003c\/span\u003eOpen and refined, with good extension and always composed texture. The absence of harshness contributes to relaxed and prolonged listening.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDynamics: \u003c\/b\u003e\u003c\/span\u003eResponsive yet controlled, with precise transient response and smooth progression. Maintains coherence even in the most complex passages.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSoundstage: \u003c\/b\u003e\u003c\/span\u003eWell-organized, with a stable scene and clear instrument separation. The sound image is orderly and easily decipherable.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIn hi-fi applications, this tube integrates very naturally into:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epreamplifiers\u003c\/li\u003e\n\u003cli\u003ebuffers\u003c\/li\u003e\n\u003cli\u003etube DACs\u003c\/li\u003e\n\u003cli\u003eline stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eIt offers \u003cspan class=\"s1\"\u003e\u003cb\u003equiet, balanced, and reliable performance\u003c\/b\u003e\u003c\/span\u003e, contributing to clean and coherent listening. It is particularly suitable for systems where \u003cspan class=\"s1\"\u003e\u003cb\u003etransparency without rigidity\u003c\/b\u003e\u003c\/span\u003e and concrete, unadorned musicality are sought.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎸 Use in Musical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIn instrument amplifiers, this 12AU7 ensures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003egood headroom\u003c\/li\u003e\n\u003cli\u003econtrolled dynamic response\u003c\/li\u003e\n\u003cli\u003epredictable and musical performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eThe sound is always balanced, with a well-defined mid-range and a response that easily adapts to different sonic contexts, from clean to light saturation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎯 Note for Audiophiles and Technicians\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThis \u003cspan class=\"s1\"\u003e\u003cb\u003e12AU7 \/ ECC82 ITT Made in Japan\u003c\/b\u003e\u003c\/span\u003e is particularly suitable for those seeking:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etonal balance\u003c\/li\u003e\n\u003cli\u003eoperational reliability\u003c\/li\u003e\n\u003cli\u003enatural musicality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eThe construction with \u003cspan class=\"s1\"\u003e\u003cb\u003eshort gray plates and a halo getter\u003c\/b\u003e\u003c\/span\u003e contributes to stable and consistent performance, making it a concrete choice for a wide variety of applications.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eA tube that stands out for its ability to easily integrate into a system, offering a \u003cspan class=\"s1\"\u003e\u003cb\u003eclean, musical, and believable\u003c\/b\u003e\u003c\/span\u003e result, in the true spirit of Vacuum Tubes Treasures.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTube tested on\u003cstrong\u003e AMPLITREX AT-1000\u003c\/strong\u003e Tube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVa = 250V, Vg = -8.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2200 ; Ia = 10.5 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Result:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVERY STRONG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTube:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2300 ; Ia = 11.8 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2180 ; Ia = 10.6 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrophonics:\u003c\/strong\u003e\u003cspan\u003e Low. Tested and suitable for hi-fi use, including phono stages and guitar amplifiers. Also suitable for V1 position.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBalance: \u003c\/strong\u003eThe sections are consistent and well-matched, making the tube suitable for use as a phase inverter in hi-fi and instrumental applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePerfectly operational.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission Quality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExcellent – Very strong and stable emission, without fluctuations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShorts and GAS:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAbsent.\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\n\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e NOS - NIB - New Old Stock, New In Box - Tested and working - Supplied in original box. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCosmetic condition:\u003c\/strong\u003e Excellent – Markings well preserved, minimal signs of age. See photos for details.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e not decipherable, identifiable by construction characteristics. 1960s\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003eDiscover why our tubes are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"ITT","offers":[{"title":"Default Title","offer_id":57438289920348,"sku":"03551","price":388.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_6ecb0c86-3501-4126-9799-b1c0be652a1a.jpg?v=1777015860","url":"https:\/\/vacuumtubestreasures.com\/en-no\/products\/12au7-ecc82-itt-short-gray-plates-halo-getter-amplitrex-tested-tube-made-in-japan","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}