{"product_id":"5y3-gt-5z2p-rca-nos-nib-black-plates-square-getter-tube-rectifier-made-in-usa-64","title":"5Y3 GT ( 5Z2P ) RCA NOS NIB Black Plates Square Getter Matched Pair Tubes Rectifiers Made in USA '64","description":"\u003cp\u003e\u003cstrong\u003e5Y3 GT ( 5Z2P ) RCA NOS NIB Black Plates Square Getter Matched Pair Tubes Rectifiers Made in USA '64\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"539\" data-start=\"150\"\u003eThis \u003cstrong data-end=\"175\" data-start=\"164\"\u003ematched\u003c\/strong\u003e pair of \u003cstrong data-end=\"214\" data-start=\"206\"\u003e1964\u003c\/strong\u003e \u003cstrong data-end=\"201\" data-start=\"179\"\u003eRCA NOS NIB 5Y3 GTs\u003c\/strong\u003e , with \u003cstrong data-end=\"252\" data-start=\"220\"\u003eBlack Plates and Square Getter\u003c\/strong\u003e , represents one of the most appreciated rectifiers for its \u003cstrong data-end=\"356\" data-start=\"317\"\u003emusical, sweet and natural response\u003c\/strong\u003e . RCAs of this era are known for their \u003cstrong data-end=\"443\" data-start=\"403\"\u003esmooth and progressive rectification\u003c\/strong\u003e , which contributes to a \u003cstrong data-end=\"536\" data-start=\"480\"\u003ewarm, dynamic sound with an authentic vintage character\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cul data-end=\"1505\" data-start=\"541\"\u003e\n\u003cli data-end=\"737\" data-start=\"541\"\u003e\u003cstrong data-end=\"559\" data-start=\"543\"\u003eLow range:\u003c\/strong\u003e \u003cstrong data-end=\"581\" data-start=\"560\"\u003eSoft and round\u003c\/strong\u003e , with a \u003cstrong data-end=\"623\" data-start=\"596\"\u003eharmonious and controlled\u003c\/strong\u003e bass, without excessive rigidity. It offers a \u003cstrong data-end=\"700\" data-start=\"674\"\u003efluid reproduction and well integrated\u003c\/strong\u003e with the rest of the sound spectrum.\u003c\/li\u003e\n\u003cli data-end=\"981\" data-start=\"738\"\u003e\u003cstrong data-end=\"756\" data-start=\"740\"\u003eMidrange:\u003c\/strong\u003e \u003cstrong data-end=\"777\" data-start=\"757\"\u003eWarm and natural\u003c\/strong\u003e , with an \u003cstrong data-end=\"829\" data-start=\"796\"\u003eorganic character and rich harmonics\u003c\/strong\u003e . The midrange frequencies are \u003cstrong data-end=\"869\" data-start=\"855\"\u003ebalanced\u003c\/strong\u003e , giving an \u003cstrong data-end=\"912\" data-start=\"891\"\u003eopen and musical\u003c\/strong\u003e sound, ideal for emphasizing the nuances of instruments and voices.\u003c\/li\u003e\n\u003cli data-end=\"1192\" data-start=\"982\"\u003e\u003cstrong data-end=\"999\" data-start=\"984\"\u003eHighs:\u003c\/strong\u003e \u003cstrong data-end=\"1022\" data-start=\"1000\"\u003eSilky and refined\u003c\/strong\u003e , with a \u003cstrong data-end=\"1073\" data-start=\"1045\"\u003esoft and non-aggressive\u003c\/strong\u003e brilliance. The highs are \u003cstrong data-end=\"1118\" data-start=\"1094\"\u003eclear and detailed\u003c\/strong\u003e , without harshness, maintaining a \u003cstrong data-end=\"1189\" data-start=\"1156\"\u003etransparent and non-fatiguing\u003c\/strong\u003e performance.\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1193\"\u003e\u003cstrong data-end=\"1233\" data-start=\"1195\"\u003eDynamics and Transient Response:\u003c\/strong\u003e \u003cstrong data-end=\"1273\" data-start=\"1234\"\u003eNatural, progressive compression\u003c\/strong\u003e that smooths out harshness in the sound, providing a \u003cstrong data-end=\"1353\" data-start=\"1332\"\u003esmooth, musical\u003c\/strong\u003e delivery. This helps \u003cstrong data-end=\"1400\" data-start=\"1370\"\u003ereduce any harshness\u003c\/strong\u003e in more aggressive amplifiers, giving a \u003cstrong data-end=\"1502\" data-start=\"1474\"\u003emore relaxed, natural\u003c\/strong\u003e feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1634\" data-start=\"1507\"\u003eThanks to their \u003cstrong data-end=\"1561\" data-start=\"1524\"\u003estable and musical rectification\u003c\/strong\u003e , these \u003cstrong data-end=\"1597\" data-start=\"1570\"\u003e5Y3 GT RCA Black Plates\u003c\/strong\u003e are particularly suitable for:\u003c\/p\u003e\n\u003cul data-end=\"2117\" data-start=\"1635\"\u003e\n\u003cli data-end=\"1782\" data-start=\"1635\"\u003e\u003cstrong data-end=\"1668\" data-start=\"1637\"\u003eVintage hi-fi amplifiers\u003c\/strong\u003e , where they offer a stable voltage and a \u003cstrong data-end=\"1740\" data-start=\"1715\"\u003esmooth, detailed\u003c\/strong\u003e sound, enhancing the musicality of the system.\u003c\/li\u003e\n\u003cli data-end=\"1935\" data-start=\"1783\"\u003e\u003cstrong data-end=\"1815\" data-start=\"1785\"\u003eGuitar amplifiers\u003c\/strong\u003e , which provide \u003cstrong data-end=\"1866\" data-start=\"1841\"\u003enatural compression\u003c\/strong\u003e , emphasizing the \u003cstrong data-end=\"1932\" data-start=\"1884\"\u003ewarmth and fluidity of the dynamic response\u003c\/strong\u003e .\u003c\/li\u003e\n\u003cli data-end=\"2117\" data-start=\"1936\"\u003e\u003cstrong data-end=\"1964\" data-start=\"1938\"\u003eHigh-end audio systems\u003c\/strong\u003e , where a matched pair of rectifiers helps maintain \u003cstrong data-end=\"2080\" data-start=\"2026\"\u003esymmetrical, artefact-free rectification\u003c\/strong\u003e , improving tonal coherence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-last-node=\"\" data-end=\"2209\" data-start=\"2119\"\u003eBeing a \u003cstrong data-end=\"2157\" data-start=\"2138\"\u003eNOS NIB matched\u003c\/strong\u003e pair, these tubes **guarantee maximum reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValve tested on \u003cstrong\u003eFunke W19\u003c\/strong\u003e Tube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e \u003cspan\u003eVa = 100V ; Vf = 5V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 77.5 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY STRONG\u003c\/li\u003e\n\u003c\/ul\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\u003cspan\u003e \u003c\/span\u003eIa = 95 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 90 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValve 2:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 90 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003eIa = 90 mA\u003c\/li\u003e\n\u003c\/ul\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\u003cmeta charset=\"utf-8\"\u003e Standard. Tested and compliant for use in hi-fi and guitar amplifiers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOutput Quality:\u003c\/strong\u003e Excellent – Very strong and stable output, no fluctuations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eShort circuits and GAS:\u003c\/strong\u003e Absent.\u003c\/span\u003e\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\u003eCondition:\u003c\/strong\u003e New Old Stock - New In Box - Tested \u0026amp; Working - In Original Box.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFunctionality:\u003c\/strong\u003e Fully functional.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAesthetic condition:\u003c\/strong\u003e Excellent – Perfectly preserved writing, minimal signs of wear. See photos.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e AB - AF - March and July 1964 respectively\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":"RCA","offers":[{"title":"Default Title","offer_id":53999160525148,"sku":"02762","price":89.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_df45c9e2-d36e-4797-9b98-dad4ad17bd05.jpg?v=1739898667","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/5y3-gt-5z2p-rca-nos-nib-black-plates-square-getter-tube-rectifier-made-in-usa-64","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}