{"product_id":"6au6a-ef94-realistic-lifetime-nos-nib-gold-pin-gray-plate-halo-getter-amplitrex-tested","title":"6AU6A ( EF94 ) Realistic LIFETIME NOS NIB Gold Pin Gray Plate Halo Getter - AMPLITREX Tested","description":"\u003cp class=\"p1\"\u003e\u003cb\u003e6AU6A Realistic LIFETIME NOS NIB Gold Pin Gray Plate Halo Getter – AMPLITREX Tested\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eGold Clad Pins – Realistic LIFETIME Original Box\u003c\/b\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eGeneral Description\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThis \u003cspan class=\"s1\"\u003e\u003cb\u003e6AU6A Realistic LIFETIME NOS NIB\u003c\/b\u003e\u003c\/span\u003e is a high-quality miniature signal\/pentode tube, branded \u003cspan class=\"s1\"\u003e\u003cb\u003eRealistic LIFETIME\u003c\/b\u003e\u003c\/span\u003e and supplied in its \u003cspan class=\"s1\"\u003e\u003cb\u003eoriginal box\u003c\/b\u003e\u003c\/span\u003e. It is a particularly interesting version due to the presence of \u003cspan class=\"s1\"\u003e\u003cb\u003egold-plated \/ Gold Clad pins\u003c\/b\u003e\u003c\/span\u003e, a distinctive feature that adds constructive and collectible value compared to standard versions.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe 6AU6A, equivalent to the \u003cspan class=\"s1\"\u003e\u003cb\u003eEF94\u003c\/b\u003e\u003c\/span\u003e family in compatible circuits, is a very versatile tube, historically used in audio, radio, musical instrument, and technical circuitry applications where good gain, stability, and controlled response are required.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe internal construction features \u003cspan class=\"s1\"\u003e\u003cb\u003egray plates\u003c\/b\u003e\u003c\/span\u003e, a top \u003cspan class=\"s1\"\u003e\u003cb\u003ehalo getter\u003c\/b\u003e\u003c\/span\u003e, and an orderly structure, consistent with good quality vintage production. The glass is clean, the getter is intact, and the yellow \u003cspan class=\"s1\"\u003e\u003cb\u003eRealistic LIFETIME\u003c\/b\u003e\u003c\/span\u003e silkscreen is still present and legible, with normal signs of age compatible with long-term storage.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe tube is in \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS NIB – New Old Stock, New In Box\u003c\/b\u003e\u003c\/span\u003e condition, never used, and has been tested in our laboratory with the \u003cspan class=\"s1\"\u003e\u003cb\u003eAmplitrex AT-1000 Tube Tester\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSonic Characteristics\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThis 6AU6A Realistic LIFETIME offers a balanced, clean, and well-controlled sound character, with a rendition that prioritizes clarity, stability, and precision. It is a tube suitable for those seeking an orderly and musical response, without artificial excesses.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe presence of \u003cspan class=\"s1\"\u003e\u003cb\u003egold-plated \/ Gold Clad pins\u003c\/b\u003e\u003c\/span\u003e further enhances the product from a constructive point of view, making it interesting for both technical applications and for those who desire a selected vintage tube with a superior finish level.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBass\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe bass register is orderly, fast, and well-defined. It does not tend to artificially inflate the lower range, but offers a clean and controlled foundation, useful in circuits where precision and stability are fundamental.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMids\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe mids are clear, natural, and well-articulated. The tube maintains a good presence on vocals and instruments, with a balanced rendition that avoids excessive coloration and retains a pleasant musicality.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eHighs\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe high range is clean, composed, and sufficiently open. Detail is rendered in an orderly manner, without evident harshness in correctly designed circuits, contributing to a general sense of clarity and control.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDynamics\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe dynamic response is prompt and precise. The 6AU6A Realistic LIFETIME behaves stably in rapid passages, with good ability to follow transients and maintain coherence even in applications where the tube acts as a gain or signal control element.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSoundstage\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eIn compatible audio applications, the presentation is orderly and well-focused. The tube contributes to a stable soundstage, with good separation and a coherent rendition of the musical message.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🎧 Use in Hi-Fi, Radio, and Audio Circuits\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThis 6AU6A is suitable for compatible equipment using \u003cspan class=\"s1\"\u003e\u003cb\u003e6AU6A \/ EF94\u003c\/b\u003e\u003c\/span\u003e tubes, including audio circuits, vintage radios, signal stages, and technical applications where stability and good electrical quality are required.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe selection via \u003cspan class=\"s1\"\u003e\u003cb\u003eAmplitrex AT-1000\u003c\/b\u003e\u003c\/span\u003e allows us to offer a controlled and verified tube, not just a generic warehouse component.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🎸 Use in Musical Applications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p4\"\u003eIn instrument amplifiers and compatible musical circuits, this tube can offer a defined, controlled, and musical response. It is suitable for contexts where a reliable miniature tube is desired, with a good balance between clarity, dynamic sensitivity, and operational stability.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🎯 Note for Audiophiles and Technicians\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThis \u003cspan class=\"s1\"\u003e\u003cb\u003e6AU6A Realistic LIFETIME NOS NIB Gold Pin \/ Gold Clad\u003c\/b\u003e\u003c\/span\u003e is recommended for those seeking a selected vintage tube, with careful construction, original box, and a very pleasing aesthetic.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe combination of \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS NIB condition\u003c\/b\u003e\u003c\/span\u003e, \u003cspan class=\"s1\"\u003e\u003cb\u003egold pins\u003c\/b\u003e\u003c\/span\u003e, \u003cspan class=\"s1\"\u003e\u003cb\u003egray plates\u003c\/b\u003e\u003c\/span\u003e, \u003cspan class=\"s1\"\u003e\u003cb\u003ehalo getter\u003c\/b\u003e\u003c\/span\u003e, \u003cspan class=\"s1\"\u003e\u003cb\u003eAmplitrex\u003c\/b\u003e\u003c\/span\u003e testing, and original Realistic LIFETIME packaging makes it an interesting choice for restorations, quality replacements, compatible audio applications, and technical collecting.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eA small signal tube with an authentically vintage charm, selected and verified according to the Vacuum Tubes Treasures style.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTube tested on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMPLITREX AT-1000\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003eVa = 250V, Vg2 = 150V, Vg1 = -1V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 5.2 ; Ia = 10 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\u003eGm = 5.5 ; Ia = 9.4 mA\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMicrophonics:\u003c\/strong\u003e Low. Tested and compliant for use in hi-fi and guitar amplifiers.\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 - NIB - New Old Stock, New In Box - Tested and working - Supplied in Original box.\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\u003eCosmetic Condition:\u003c\/strong\u003e\u003cspan\u003e Excellent – Lettering optimally 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:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003enot decipherable, identifiable by constructive characteristics. 1960s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/vacuumtubestreasures.com\/blogs\/notizie\/perche-le-nostre-valvole-sono-diverse\" title=\"Perché le nostre valvole sono diverse – il protocollo VTT che migliora suono, affidabilità e durata\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eDiscover why our tubes are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Realistic LIFETIME","offers":[{"title":"Default Title","offer_id":57541462163804,"sku":"03568Y","price":24.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_7c515971-49cc-4455-a066-776beaa1bc64.jpg?v=1777968971","url":"https:\/\/vacuumtubestreasures.com\/en-lv\/products\/6au6a-ef94-realistic-lifetime-nos-nib-gold-pin-gray-plate-halo-getter-amplitrex-tested","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}