{"product_id":"6072-12ay7-nos-ge-jg-matched-pair-black-plates-triple-mica-halo-getter-usa-60s-amplitrex-tested","title":"6072 \/ 12AY7 NOS GE JG Matched Pair Black Plates Triple Mica Halo Getter USA ’60s - AMPLITREX Tested","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eJG-6072 NOS GE – Black Plates – Triple Mica – Halo Getter – Matched Pair – Made in USA ‘60s\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eAMPLITREX Tested – VERY STRONG – Low Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eWe offer an \u003cspan class=\"s1\"\u003e\u003cb\u003eexcellent matched pair of JG-6072 NOS General Electric\u003c\/b\u003e\u003c\/span\u003e tubes, manufactured in the USA in the 1960s, belonging to the selected \u003cspan class=\"s1\"\u003e\u003cb\u003eJG (Joint Army-Navy \/ military)\u003c\/b\u003e\u003c\/span\u003e version, synonymous with high quality standards and superior reliability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThese tubes represent one of the most appreciated variants of the \u003cspan class=\"s1\"\u003e\u003cb\u003e6072 \/ 12AY7\u003c\/b\u003e\u003c\/span\u003e family, thanks to an extremely careful construction and high-level technical solutions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eBlack Plates\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eTriple Mica\u003c\/b\u003e\u003c\/span\u003e (greater mechanical stability and reduced microphonics)\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eHalo Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003erobust and precise internal structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThe pair has been selected as a \u003cspan class=\"s1\"\u003e\u003cb\u003eMatched Pair\u003c\/b\u003e\u003c\/span\u003e, with \u003cspan class=\"s1\"\u003e\u003cb\u003ewell-balanced\u003c\/b\u003e\u003c\/span\u003e internal sections, a characteristic particularly important for hi-fi and professional applications.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eTested with \u003cspan class=\"s1\"\u003e\u003cb\u003eAmplitrex AT-1000\u003c\/b\u003e\u003c\/span\u003e, they are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eVERY STRONG\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eLow Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eAn ideal selection for sensitive systems and applications where noise must be minimized.\u003c\/p\u003e\n\u003ch3 data-end=\"1056\" data-start=\"1021\"\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe GE JG-6072 are known for an extremely natural, refined and musical performance.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eBass\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eControlled and well-defined, with excellent articulation and no excess.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eMids\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eExtraordinarily natural and realistic. Vocals emerge with great presence and a warm but precise timbre.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eHighs\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eSweet, airy and never aggressive, with elegant and always musical extension.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eDynamics\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBalanced and fluid, with a consistent and smooth response.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eSoundstage\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWide and well-organized, with excellent separation and depth.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003ePerfect for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003ehigh-quality tube preamplifiers\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003ephono stages\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eline stages and sensitive circuits\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eThanks to the low noise and stability guaranteed by the \u003cspan class=\"s2\"\u003e\u003cb\u003eTriple Mica\u003c\/b\u003e\u003c\/span\u003e structure, they are particularly suitable for the most critical positions in the circuit.\u003c\/p\u003e\n\u003ch3 data-end=\"1387\" data-start=\"1349\"\u003e🎸 Use in Musical Amplifiers\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003einstrument preamplifiers\u003c\/li\u003e\n\u003cli class=\"p1\"\u003evintage-style circuits using 6072 \/ 12AY7\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThey offer a sound that is:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003ewarm and dynamic\u003c\/li\u003e\n\u003cli class=\"p1\"\u003erich in harmonics\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eextremely musical and controlled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1734\" data-start=\"1697\"\u003e🎯 Note for Audiophiles and Technicians\u003cstrong data-end=\"1747\" data-start=\"1737\"\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eGE military JG\u003c\/b\u003e version\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eTriple Mica – Black Plates\u003c\/b\u003e construction\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eWell-balanced sections\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eLow Noise \u0026amp; Microphonics selection\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eThese tubes represent a high-level choice for those seeking:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003etimbral naturalness\u003c\/li\u003e\n\u003cli class=\"p1\"\u003esilent operation\u003c\/li\u003e\n\u003cli class=\"p1\"\u003elong-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eA pair of great charm and quality, capable of offering an authentic and refined sound, perfect for hi-fi systems and professional applications where every detail counts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTested on \u003cstrong\u003eAMPLITREX AT-1000\u003c\/strong\u003e Tube Tester\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Test:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eVa = 250V, Vg = -4V\u003cstrong\u003e\u003cbr\u003eAverage 100%:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eGm = 1700 ; Ia = 3.0 mA\u003cstrong\u003e\u003cbr\u003eTEST RESULT:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eVERY STRONG\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTube 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection 1\u003c\/strong\u003e: Gm = 1600 ; Ia = 2.6 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection 2\u003c\/strong\u003e: Gm = 1600 ; Ia = 2.8 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTube 2:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection 1\u003c\/strong\u003e: Gm = 1600 ; Ia = 2.6 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection 2\u003c\/strong\u003e: Gm = 1600 ; Ia = 2.7 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eAdditional Tests performed:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMicrophonics and Noise:\u003c\/strong\u003e Low. Tested and suitable for hi-fi use, including phono stages and guitar amplifiers. \u003cstrong\u003eAlso suitable for V1.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBalance:\u003c\/strong\u003e The sections are consistent and well-aligned, 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\u003cspan\u003e\u003cstrong\u003eEmission Quality:\u003c\/strong\u003e Excellent – Very strong and stable emission, without fluctuations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eShorts and GAS:\u003c\/strong\u003e Absent.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e NOS - New Old Stock - Tested and functional - Supplied in our custom box for optimal protection. \u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctionality: \u003c\/strong\u003ePerfectly operational.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAesthetic condition:\u003c\/strong\u003e\u003cspan\u003e Excellent – Markings are well-preserved, minimal signs of age. See photos for details.\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e 60-22 188 → RMA\/EIA Open Date Code → manufactured 22nd week of 1960 - 188 → General Electric Company, Syracuse 1, N. Y.\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\u003eDiscover why our tubes are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":57249194803548,"sku":"03497","price":249.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_3ea9df1d-57cf-4741-b6cd-7b9faba9a88c.jpg?v=1775130569","url":"https:\/\/vacuumtubestreasures.com\/en-si\/products\/6072-12ay7-nos-ge-jg-matched-pair-black-plates-triple-mica-halo-getter-usa-60s-amplitrex-tested","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}