{"product_id":"6ca7-el34-amperex-nos-nib-by-mullard-xf3-halo-getter-matched-tubes-made-in-gt-britain","title":"6CA7 \/ EL34 MULLARD XF3 – Amperex Label – NOS NIB – Halo Getter – Matched Set – Made in Great Britain","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e6CA7 \/ EL34 MULLARD XF3 – Amperex Label – NOS NIB – Halo Getter – Matched Set – Made in Great Britain\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-end=\"787\" data-start=\"407\"\u003e The \u003cstrong data-end=\"437\" data-start=\"410\"\u003e6CA7 \/ EL34 Mullard XF3\u003c\/strong\u003e represent one of the absolute pinnacles of European power tube production. This \u003cstrong data-end=\"547\" data-start=\"536\"\u003eNOS NIB\u003c\/strong\u003e set, branded \u003cstrong data-end=\"570\" data-start=\"559\"\u003eAmperex\u003c\/strong\u003e and produced by \u003cstrong data-end=\"596\" data-start=\"585\"\u003eMullard\u003c\/strong\u003e in the famous \u003cstrong data-end=\"654\" data-start=\"625\"\u003eBlackburn factory (Great Britain)\u003c\/strong\u003e , belongs to a manufacturing phase now unanimously considered among the most successful and musical ever created for the EL34 family.\u003c\/p\u003e\n\n \u003cp data-end=\"1112\" data-start=\"789\"\u003eThese are not simply “great EL34s”, but a \u003cstrong data-end=\"876\" data-start=\"844\"\u003ehistorical and sonic reference\u003c\/strong\u003e , sought after by collectors and advanced enthusiasts who know the true value of the \u003cstrong data-end=\"984\" data-start=\"964\"\u003ereal Mullard XF3\u003c\/strong\u003e : impeccable construction, selected materials and a tonal signature that defined an era and which today is no longer replicable.\u003c\/p\u003e\n\n\u003cp data-end=\"1330\" data-start=\"1114\"\u003e The set is \u003cstrong data-end=\"1146\" data-start=\"1123\"\u003eNOS (New Old Stock)\u003c\/strong\u003e , kept in the \u003cstrong data-end=\"1194\" data-start=\"1165\"\u003eoriginal Amperex boxes\u003c\/strong\u003e , and has been \u003cstrong data-end=\"1254\" data-start=\"1207\"\u003etested and matched in our laboratory\u003c\/strong\u003e to ensure electrical consistency, operational stability and full reliability.\u003c\/p\u003e\n\n\u003ch3 data-end=\"1365\" data-start=\"1337\"\u003e Sound Characteristics\u003c\/h3\u003e\n\n\u003cp data-end=\"1567\" data-start=\"1367\"\u003e \u003cstrong data-end=\"1376\" data-start=\"1367\"\u003eBass\u003c\/strong\u003e \u003cbr data-end=\"1379\" data-start=\"1376\"\u003eDeep, authoritative, and perfectly controlled. The low end offers weight and structure without ever being bloated, maintaining articulation and naturalness even in the most complex passages.\u003c\/p\u003e\n\n\u003cp data-end=\"1790\" data-start=\"1569\"\u003e \u003cstrong data-end=\"1577\" data-start=\"1569\"\u003eMedium\u003c\/strong\u003e\u003cbr data-end=\"1580\" data-start=\"1577\"\u003e The real strength of the Mullard XF3: warm, rich, and three-dimensional. Voices sound full-bodied and natural, while acoustic instruments and guitars gain presence, harmonic depth, and tonal realism.\u003c\/p\u003e\n\n\u003cp data-end=\"2010\" data-start=\"1792\"\u003e \u003cstrong data-end=\"1800\" data-start=\"1792\"\u003eHigh\u003c\/strong\u003e\u003cbr data-end=\"1803\" data-start=\"1800\"\u003e Extended and silky, with a very fine grain and no harshness. Detail is high but always musical, never fatiguing, with a sense of continuity and fluidity typical of the best Mullard productions.\u003c\/p\u003e\n\n\u003cp data-end=\"2221\" data-start=\"2012\"\u003e \u003cstrong data-end=\"2024\" data-start=\"2012\"\u003eDynamics\u003c\/strong\u003e\u003cbr data-end=\"2027\" data-start=\"2024\"\u003e Responsive and natural, with extremely smooth transient management. The dynamic response is broad and controlled, capable of reproducing micro- and macro-dynamics with great coherence and musicality.\u003c\/p\u003e\n\n \u003cp data-end=\"2411\" data-start=\"2223\"\u003e\u003cstrong data-end=\"2237\" data-start=\"2223\"\u003eSoundstage\u003c\/strong\u003e\u003cbr data-end=\"2240\" data-start=\"2237\"\u003e Open, airy, and three-dimensional. The soundstage is stable, deep, and well-layered, with excellent instrument separation and a believable, engaging soundstage.\u003c\/p\u003e\n\n\u003ch3 data-end=\"2443\" data-start=\"2418\"\u003e 🎧 Hi-Fi Apps\u003c\/h3\u003e\n\n\u003cp data-end=\"2746\" data-start=\"2444\"\u003e Ideal for \u003cstrong data-end=\"2493\" data-start=\"2455\"\u003ehigh-end EL34 amplifiers\u003c\/strong\u003e , both vintage and modern, where you want \u003cstrong data-end=\"2576\" data-start=\"2546\"\u003ethe authentic Mullard sound\u003c\/strong\u003e : warm, refined, musical and never artificial. A set designed for high-resolution systems, capable of fully enhancing the tonal qualities of these historic tubes.\u003c\/p\u003e\n\n\u003ch3 data-end=\"2776\" data-start=\"2748\"\u003e 🎸 Music Apps\u003c\/h3\u003e\n\n\u003cp data-end=\"3000\" data-start=\"2777\"\u003e Also highly prized in iconic guitar amplifiers like \u003cstrong data-end=\"2854\" data-start=\"2842\"\u003eMarshall\u003c\/strong\u003e and \u003cstrong data-end=\"2867\" data-start=\"2857\"\u003eHiwatt\u003c\/strong\u003e , where they deliver rich mids, natural compression and a harmonic response that helped define the classic British sound.\u003c\/p\u003e\n\n \u003ch3 data-end=\"3048\" data-start=\"3007\"\u003e🎯 Note for audiophiles and collectors\u003c\/h3\u003e\n\n\u003cp data-end=\"3342\" data-start=\"3049\"\u003e This set is intended for those who know the true value of the \u003cstrong data-end=\"3123\" data-start=\"3108\"\u003eMullard XF3\u003c\/strong\u003e and are looking for \u003cstrong data-end=\"3169\" data-start=\"3132\"\u003ethe definitive version of the EL34\u003c\/strong\u003e , not a simple upgrade.\u003cbr data-end=\"3198\" data-start=\"3195\"\u003e It is not a choice for everyone, but for those who wish to own and listen to \u003cstrong data-end=\"3307\" data-start=\"3268\"\u003ea unique historical reference\u003c\/strong\u003e , which is increasingly rare on the market today.\u003cstrong\u003e\u003c\/strong\u003e\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 = 450V; Vg2 = 360; Vg = -30V\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 = 4.4 ; Ia = 40 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\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eValve 1:\u003c\/strong\u003e Gm = 7.5 ; Ia = 56 mA\u003c\/p\u003e\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eValve 2:\u003c\/strong\u003e Gm = 7.7 ; Ia = 54 mA\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eValve 3:\u003c\/strong\u003e Gm = 6.6 ; Ia = 40 mA\u003c\/p\u003e\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eValve 4:\u003c\/strong\u003e Gm = 6.5 ; Ia = 37 mA\u003c\/p\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\u003cmeta charset=\"utf-8\"\u003e Standard. Tested and approved for use in hi-fi and guitar amplifiers.\u003c\/span\u003e\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 - NIB - New Old Stock, New In Box - Tested and working - In original box.\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\u003eAesthetic condition:\u003c\/strong\u003e Excellent – ​​Perfectly preserved lettering, minimal signs of wear. See photos.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Xf3\u003cmeta charset=\"utf-8\"\u003e B5C5 produced at the Mullard factory in Blackburn (UK) in March 1975\u003c\/li\u003e\n\n\u003cli\u003e Xf3 B5H3 produced at the Mullard factory in Blackburn (UK) in August 1975\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":"AMPEREX","offers":[{"title":"Default Title","offer_id":49301921562972,"sku":"02401M","price":1390.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/4_aeb20892-28aa-4450-9e7f-9c4fdf519101.jpg?v=1725299000","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/6ca7-el34-amperex-nos-nib-by-mullard-xf3-halo-getter-matched-tubes-made-in-gt-britain-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}