{"product_id":"6ca4-ez81-nos-nib-sylvania-by-mullard-blackburn-gray-plates-horse-shoe-getter-tested-tube-rectifier-made-in-gt-britain-65-copia","title":"6CA4 ( EZ81 ) NOS NIB ZENITH by MULLARD Gray Plates Halo Getter Tested Tube Rectifier Made in GT. Britain","description":"\u003cp\u003e\u003cstrong\u003e6CA4 ( EZ81 ) NOS NIB ZENITH by MULLARD Gray Plates Halo Getter Tested Tube Rectifier Made in GT. Britain\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e6CA4 (EZ81) NOS NIB Zenith by Mullard\u003c\/strong\u003e, manufactured in Great Britain, is a high-quality rectifier designed with Mullard craftsmanship and distributed under the Zenith brand. Featuring \u003cstrong\u003egray plates\u003c\/strong\u003e and a \u003cstrong\u003eHalo Getter\u003c\/strong\u003e, this tube is celebrated for its combination of reliability and refined sonic performance, making it ideal for vintage tube amplifiers and high-end Hi-Fi systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eBass:\u003c\/strong\u003e Deep and controlled, with tight response providing a stable and authoritative sonic foundation, perfect for dynamic and detailed musical genres.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMidrange:\u003c\/strong\u003e Warm and natural, with harmonic richness that enhances vocals and acoustic instruments, delivering engaging and lifelike sound.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTreble:\u003c\/strong\u003e Transparent and bright, with refined clarity that highlights details without causing listener fatigue, maintaining a balanced and pleasant musical character.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003e6CA4 Zenith by Mullard\u003c\/strong\u003e excels in creating a wide and well-focused soundstage, with precise instrument separation and smooth dynamics. It is an outstanding choice for those seeking a reliable and musical rectifier with the charm of Mullard production.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValve tested on Funke W19 Tube Tester:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e Va = 60V, Vf = 6.3V\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e Ia = 74 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY STRONG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValve 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSection 1:\u003c\/strong\u003e Ia = 86 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e Ia =\u0026nbsp;86 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003cstrong\u003eCosmetic Condition:\u003c\/strong\u003e NOS - NIB - New Old Stock, New In Box - Tested and working - In original box.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFunctionality:\u003c\/strong\u003e Fully functional.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e -\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\u003eFind out why our valves are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"ZENITH","offers":[{"title":"Default Title","offer_id":53731710370140,"sku":"02668S","price":8800.0,"currency_code":"ALL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_b0d18df2-759a-4ad4-a7e8-f753034a0cef.jpg?v=1735915322","url":"https:\/\/vacuumtubestreasures.com\/en-al\/products\/6ca4-ez81-nos-nib-sylvania-by-mullard-blackburn-gray-plates-horse-shoe-getter-tested-tube-rectifier-made-in-gt-britain-65-copia","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}