{"product_id":"5y3gt-5z2p-rca-nos-black-plates-square-getter-tube-rectifier-made-in-usa-64","title":"5Y3GT \/ 5Z2P RCA NOS Black Plates Square Getter Tube Rectifier Made in USA '64","description":"\u003ch3\u003e\u003cstrong\u003e5Y3GT \/ 5Z2P RCA NOS Black Plates Square Getter Tube Rectifier Made in USA '64\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFunke W19 Tested – VERY STRONG - Vintage American RCA Production\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTube tested on \u003cstrong\u003eFunke W19 \u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e\u003cspan\u003e Va = 100V ; Vf = 5V\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e100% Average:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e Ia = 77.5 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\u003cp\u003e\u003cstrong\u003eTube:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 98 mA\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 102 mA\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\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\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eShort Circuits and GAS:\u003c\/strong\u003e None.\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5Y3GT \/ 5Z2P RCA NOS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a prestigious rectifier tube of authentic American production, manufactured in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJuly 1964\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as indicated by the two-letter RCA code \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAF\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Built by the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRadio Corporation of America\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it features the sought-after configuration with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack plates, square getter, GT bulb, and octal base\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, representative of RCA's historic manufacturing quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe tube is intended for power supply stages designed for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5Y3GT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and can also be used in equipment compatible with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5Z2P\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e rectifier, offering a refined NOS Made in USA alternative. It is particularly suitable for hi-fi amplifiers, guitar amplifiers, radios, receivers, and other tube equipment that use this family of rectifiers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProfessionally tested with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFunke W19\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it delivered exceptional values of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e98 mA and 102 mA\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, significantly higher than the reference average of 77.5 mA. The result confirms a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003every strong, stable, and authoritative emission\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, without fluctuations, short circuits, or the presence of gas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe small difference of only 4 mA between the two plates also highlights an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eexcellent electrical balance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This uniformity promotes smooth and reliable rectification, making the specimen particularly interesting for equipment requiring power supply stage stability and an abundant emission reserve.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe RCA markings are clearly legible and the tube body is in very good cosmetic condition, with only slight signs consistent with age. The specimen fully retains the charm of vintage American production and has been verified as perfectly operational.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRCA NOS with exceptional electrical performance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, capable of combining Black Plate construction, a sought-after Square Getter, emission well above the reference, and well-aligned sections: a high-quality choice for restorations, tube rolling, and equipment compatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5Y3GT or 5Z2P\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCondition: \u003c\/strong\u003eNOS - 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\u003ePerfectly operational.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCosmetic condition:\u003c\/strong\u003e Very Good – Markings clearly legible with slight signs of age. See photos for details.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eManufacturing Code: \u003c\/strong\u003eAF → two-letter code → production \u003cmeta charset=\"utf-8\"\u003eJuly 1964 → Radio Corporation of America, Camden, N. J.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\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 longevity\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eDiscover why our tubes are different →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"RCA","offers":[{"title":"Default Title","offer_id":59635539247452,"sku":"03894","price":44.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_ac655831-5dec-443e-b79c-3cb7b579151e.jpg?v=1792836920","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/5y3gt-5z2p-rca-nos-black-plates-square-getter-tube-rectifier-made-in-usa-64","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}