{"product_id":"5y3gt-5y3gt-g-zenith-black-plates-foil-getter-tube-rectifier-made-in-usa","title":"5Y3GT ( 5Z2P ) ZENITH Black Plates Foil Getter Tube Rectifier Made in USA","description":"\u003cp\u003e\u003cstrong\u003e5Y3GT ( 5Z2P ) ZENITH Black Plates Foil Getter Tube Rectifier Made in USA\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 The \u003cspan class=\"s1\"\u003e\u003cb\u003e5Y3GT (5Z2P) ZENITH by RCA\u003c\/b\u003e\u003c\/span\u003e is an American-made full-wave rectifier, most likely attributable to the \u003cspan class=\"s1\"\u003e\u003cb\u003eRCA\u003c\/b\u003e\u003c\/span\u003e factory, as suggested by the construction with \u003cspan class=\"s1\"\u003e\u003cb\u003eblack plates\u003c\/b\u003e\u003c\/span\u003e and \u003cspan class=\"s1\"\u003e\u003cb\u003efoil getter\u003c\/b\u003e\u003c\/span\u003e , typical of high-level RCA productions of the period.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The exact chronological placement is likely \u003cspan class=\"s1\"\u003e\u003cb\u003ethe late 1940s\u003c\/b\u003e\u003c\/span\u003e , even if, in the absence of fully legible manufacturing codes, we prefer to maintain a prudent and historically correct position.\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThe tube was tested in our laboratory with \u003cspan class=\"s1\"\u003e\u003cb\u003eFunke W19\u003c\/b\u003e\u003c\/span\u003e , proving to \u003cspan class=\"s1\"\u003e\u003cb\u003ebe NOS-like\u003c\/b\u003e\u003c\/span\u003e , with excellent electrical behavior, very high output, and full operational stability. A rectifier of great appeal, both for use and for collection.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eSound Characteristics\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The 5Y3GT RCA-style is appreciated for its balanced and musical sonic contribution, capable of positively influencing the overall character of the amplifier, especially in single-ended and vintage-inspired circuits.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eBass:\u003c\/b\u003e Smooth yet well-controlled, with a rounded, natural response. The low range is full and coherent, without excess, ideal for systems that prioritize musicality and fluidity.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eMids:\u003c\/b\u003e Warm, present, and very natural. Vocals acquire body and three-dimensionality, with a typically \"American\" vintage delivery, rich but never artificial.\u003c\/p\u003e\n\n \u003cp class=\"p3\"\u003e\u003cb\u003eHighs:\u003c\/b\u003e Smooth and well-integrated, free of harshness. The highs are elegant and relaxing, making for a long and satisfying listen.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eDynamics:\u003c\/b\u003e Progressive and fluid. The transient response is not aggressive, but well-controlled, promoting a sense of continuity and musical naturalness.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eSoundstage:\u003c\/b\u003e Stable and coherent soundstage, with good depth and believable instrument placement. The presentation is organic and well-proportioned.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003e🎧 Hi-Fi\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e Ideal for vintage hi-fi amplifiers, single-ended amplifiers, and projects inspired by classic American electronics. Particularly suitable for those seeking a warm, musical, and authentic sound.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003e🎸 Musical\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e It is also highly appreciated in instrument amplifiers, where it contributes to a softer response, with natural compression and great tonal pleasure.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003e🎯 Audiophile note\u003c\/b\u003e\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThis \u003cspan class=\"s1\"\u003e\u003cb\u003e5Y3GT ZENITH by RCA\u003c\/b\u003e\u003c\/span\u003e combines historic charm, vintage construction with \u003cspan class=\"s1\"\u003e\u003cb\u003eblack plates and foil getters\u003c\/b\u003e\u003c\/span\u003e and \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS-like\u003c\/b\u003e\u003c\/span\u003e electrical performance, verified on \u003cspan class=\"s1\"\u003e\u003cb\u003eFunke W19\u003c\/b\u003e\u003c\/span\u003e .\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e A rectifier with authentic character, perfect for those who want the sound and reliability of the great post-war American productions, without compromise and without alarmism, but with real sonic and collectible value.\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\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFunke W19\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTest Conditions:\u003c\/strong\u003e \u003cspan\u003eVa = 100V ; Vf = 5V\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 77.5 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTest Result:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVERY STRONG\u003c\/li\u003e\n\n\n\u003c\/ul\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\u003cspan\u003e \u003c\/span\u003eIa = 80 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 79 mA\u003c\/li\u003e\n\n\n\u003c\/ul\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 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\u003eConditions:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eVintage Tubes - Tested and in perfect working order. Comes 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\n \u003cstrong\u003eAesthetic conditions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExcellent – ​​Perfectly preserved writing, minimal signs of wear. See photos.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e Unreadable, identifiable by construction features. Late 1940s.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n \u003cp\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":"ZENITH","offers":[{"title":"Default Title","offer_id":43694562312439,"sku":"01099","price":89.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_ea8fed92-c26b-4d29-a554-d553d10cd983.jpg?v=1769184763","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/5y3gt-5y3gt-g-zenith-black-plates-foil-getter-tube-rectifier-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}