{"product_id":"ecc88-6dj8-amperex-disc-getter-amplitrex-tested-tube-made-in-holland-60s","title":"ECC88 6DJ8 NOS AMPEREX Disc Getter AMPLITREX Tested Tube Made in HOLLAND '60s","description":"\u003cp\u003e \u003cstrong\u003eECC88 6DJ8 NOS AMPEREX Disc Getter AMPLITREX Tested Tube Made in HOLLAND '69\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\u003eECC88 \/ 6DJ8 AMPEREX NOS\u003c\/b\u003e\u003c\/span\u003e , produced in the historic \u003cspan class=\"s1\"\u003e\u003cb\u003eHeerlen (Holland)\u003c\/b\u003e\u003c\/span\u003e factory in the 60s, represents one of the most refined and musically appreciated versions of the famous European double triode.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The \u003cspan class=\"s1\"\u003e\u003cb\u003edisc dimpled getter\u003c\/b\u003e\u003c\/span\u003e construction is typical of Heerlen production of that period, synonymous with construction quality, electrical stability and consistency over time.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e This is an \u003cspan class=\"s1\"\u003e\u003cb\u003eauthentic NOS (New Old Stock)\u003c\/b\u003e\u003c\/span\u003e example, never used, selected and tested in our laboratory with \u003cspan class=\"s1\"\u003e\u003cb\u003eVERY STRONG\u003c\/b\u003e\u003c\/span\u003e results, ready for high-level hi-fi and professional applications.\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003eSound Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n \u003cp\u003e\u003cstrong\u003eBass:\u003c\/strong\u003e Fast, controlled, and well-articulated. The low range is precise and dry, with excellent rhythmic definition and no overemphasis.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eMids:\u003c\/strong\u003e Transparent, bright, and natural. Vocals are believable and well-defined, while acoustic instruments emerge with the clarity and harmonic coherence typical of the Heerlen school.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eHighs:\u003c\/strong\u003e Open, airy, and finely refined. The top end is extended but never aggressive, with a very fine grain that enhances high-resolution systems.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eDynamics:\u003c\/strong\u003e Lively and well-controlled. Excellent microdynamics and prompt transient response, with a consistently smooth and legible output.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eSoundstage:\u003c\/strong\u003e Wide, stable, and three-dimensional. The soundstage is well-focused, with natural separation of planes and believable depth.\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\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 preamplifiers,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e phono stages,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e Tube DACs,\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e medium-high and high quality headphone amplifiers,\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n \u003cp class=\"p1\"\u003ewhere transparency, speed, and timbral precision are sought. Particularly suitable for jazz, classical, chamber music, and high-definition recordings.\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 highly appreciated in studio equipment and professional audio circuits, where silence, stability and definition are crucial.\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\"\u003eAuthentic\u003c\/span\u003e \u003cb\u003eAmperex Made in Holland\u003c\/b\u003e\n\n\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e \u003cb\u003eNOS – New Old Stock\u003c\/b\u003e\n\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e\n\n \u003cb\u003eVERY STRONG\u003c\/b\u003e \u003cspan class=\"s1\"\u003eissue\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e Careful selection and consistent behavior\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e Refined, fast and musically balanced timbre\u003c\/li\u003e\n\n\u003cli class=\"p1\"\u003e Concrete historical and sound value\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"p1\"\u003e A model designed for those who want the \u003cspan class=\"s1\"\u003e\u003cb\u003eAmperex Heerlen sound of the golden years\u003c\/b\u003e\u003c\/span\u003e , with balance, transparency and naturalness, in full \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 Tested on \u003cstrong\u003eAMPLITREX AT-1000\u003c\/strong\u003e Tube Tester\u003c\/p\u003e\n\n \u003cp\u003e\u003cstrong\u003eVoltage Test:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eVa = 90V ; Vg = -1.2V \u003cstrong\u003e\u003cbr\u003eAverage 100%:\u003c\/strong\u003e Gm = 12.5 ; Ia = 15.0 mA \u003cstrong\u003e\u003cbr\u003eTEST RESULT:\u003c\/strong\u003e VERY STRONG\u003c\/p\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 : Gm = 14.1; Ia = 15.0 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSection 2\u003c\/strong\u003e : Gm = 13.2; Ia = 14.2 mA\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\n\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\n\u003c\/div\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, phono stages, and guitar amplifiers, including V1.\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\u003eAesthetic condition:\u003c\/strong\u003e \u003cspan\u003eVery good – Clearly legible writing with minor signs of wear, no obvious defects. See photos for details.\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e Δ9A4 → Δ9A4\u003cmeta charset=\"utf-8\"\u003e Δ → Heerlen (Holland), 9 (four digits) → 1969 - A → January - 4 → 4th week of the month\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\n\n\u003cp\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e","brand":"AMPEREX","offers":[{"title":"Default Title","offer_id":56776495432028,"sku":"03431","price":833.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_0dfdd05f-d1ec-460c-bcb1-00624bbdb0f0.jpg?v=1771583827","url":"https:\/\/vacuumtubestreasures.com\/en-no\/products\/ecc88-6dj8-amperex-disc-getter-amplitrex-tested-tube-made-in-holland-60s","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}