{"product_id":"5y4g-hytron-black-plates-square-getter-rectifier-tube-made-in-usa-1951","title":"5Y4G HYTRON Black Plates Square Getter Rectifier Tube Made in USA 1951","description":"\u003cp\u003e\u003cstrong\u003e5Y4G HYTRON Black Plates Square Getter Rectifier Tube Made in USA 1951\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"735\" data-start=\"182\"\u003eThe \u003cstrong data-end=\"200\" data-start=\"185\"\u003e5Y4G HYTRON\u003c\/strong\u003e , produced in 1951 in the United States and characterized by \u003cstrong data-end=\"274\" data-start=\"258\"\u003eblack plates\u003c\/strong\u003e , \u003cstrong data-end=\"295\" data-start=\"276\"\u003esquare getter\u003c\/strong\u003e and \u003cstrong data-end=\"334\" data-start=\"308\"\u003erobust ST bottle\u003c\/strong\u003e structure, is a directly heated rectifier designed for \u003cstrong data-end=\"452\" data-start=\"414\"\u003elow power and low consumption\u003c\/strong\u003e audio applications, electrically compatible with the 5Y3G (but with different pinout). HYTRON, a historic American company specialized in high quality military and civilian valves, stands out in this creation for \u003cstrong data-end=\"734\" data-start=\"661\"\u003eits construction precision, operational silence and relaxed musicality\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-end=\"1020\" data-start=\"737\"\u003eIt is particularly suitable for use in \u003cstrong data-end=\"807\" data-start=\"777\"\u003etube preamplifiers\u003c\/strong\u003e , small \u003cstrong data-end=\"839\" data-start=\"809\"\u003esingle-ended amplifiers\u003c\/strong\u003e or restored \u003cstrong data-end=\"877\" data-start=\"860\"\u003evintage radios\u003c\/strong\u003e , where a \u003cstrong data-end=\"941\" data-start=\"911\"\u003estable output voltage\u003c\/strong\u003e , a \u003cstrong data-end=\"968\" data-start=\"947\"\u003egradual start\u003c\/strong\u003e and a \u003cstrong data-end=\"1019\" data-start=\"987\"\u003etransparent but not analytical\u003c\/strong\u003e sound reproduction are desired.\u003c\/p\u003e\n\u003cp data-end=\"1241\" data-start=\"1027\"\u003e\u003cstrong data-end=\"1036\" data-start=\"1027\"\u003eBass\u003c\/strong\u003e : smooth and well integrated. The low range is \u003cstrong data-end=\"1105\" data-start=\"1080\"\u003erounded and controlled\u003c\/strong\u003e , without exuberance but never weak. Perfect in systems where \u003cstrong data-end=\"1215\" data-start=\"1182\"\u003ea harmonious and musical bass\u003c\/strong\u003e is preferred rather than impactful.\u003c\/p\u003e\n\u003cp data-end=\"1470\" data-start=\"1243\"\u003e\u003cstrong data-end=\"1251\" data-start=\"1243\"\u003eMids\u003c\/strong\u003e : Warm and natural. The mids are \u003cstrong data-end=\"1313\" data-start=\"1295\"\u003ethe strong point\u003c\/strong\u003e of this tube: \u003cstrong data-end=\"1415\" data-start=\"1333\"\u003efull central voice, rich harmonics and delicately rendered acoustic instruments\u003c\/strong\u003e . The timbre is \u003cstrong data-end=\"1454\" data-start=\"1431\"\u003eorganic and coherent\u003c\/strong\u003e , without excess.\u003c\/p\u003e\n\u003cp data-end=\"1690\" data-start=\"1472\"\u003e\u003cstrong data-end=\"1480\" data-start=\"1472\"\u003eHighs\u003c\/strong\u003e : soft and refined. The high range develops with \u003cstrong data-end=\"1559\" data-start=\"1533\"\u003eattenuated brilliance\u003c\/strong\u003e , maintaining \u003cstrong data-end=\"1592\" data-start=\"1572\"\u003eair and detail\u003c\/strong\u003e but without ever being aggressive or dry. Excellent for prolonged listening in controlled environments.\u003c\/p\u003e\n\u003cp data-end=\"1913\" data-start=\"1692\"\u003e\u003cstrong data-end=\"1704\" data-start=\"1692\"\u003eDynamics\u003c\/strong\u003e : smooth and gradual. Transient behavior is \u003cstrong data-end=\"1768\" data-start=\"1757\"\u003esoft\u003c\/strong\u003e , with a \u003cstrong data-end=\"1808\" data-start=\"1778\"\u003efluid and natural response\u003c\/strong\u003e , ideal in applications where \u003cstrong data-end=\"1888\" data-start=\"1850\"\u003emusicality and harmonic progression\u003c\/strong\u003e are required, rather than a strong attack.\u003c\/p\u003e\n\u003cp data-end=\"2170\" data-start=\"1915\"\u003e\u003cstrong data-end=\"1929\" data-start=\"1915\"\u003eSoundstage\u003c\/strong\u003e : intimate and well structured. The stereo image is \u003cstrong data-end=\"1992\" data-start=\"1977\"\u003efocused\u003c\/strong\u003e , with a \u003cstrong data-end=\"2026\" data-start=\"2002\"\u003ecredible depth\u003c\/strong\u003e and a \u003cstrong data-end=\"2071\" data-start=\"2033\"\u003egood separation of the sound planes\u003c\/strong\u003e . It does not tend to artificially widen the scene, but favors \u003cstrong data-end=\"2169\" data-start=\"2135\"\u003eimmersive and centered listening\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-end=\"2647\" data-start=\"2177\"\u003e🎧 \u003cstrong data-end=\"2237\" data-start=\"2180\"\u003eUse in Headphone Amplifiers and Driver Stages Hi-Fi\u003c\/strong\u003e \u003cbr data-end=\"2240\" data-start=\"2237\"\u003eThanks to its \u003cstrong data-end=\"2281\" data-start=\"2252\"\u003elow noise emission\u003c\/strong\u003e , \u003cstrong data-end=\"2316\" data-start=\"2288\"\u003esmooth and stable voltage\u003c\/strong\u003e and quality mechanical construction, this 5Y4G HYTRON proves to be perfect for \u003cstrong data-end=\"2467\" data-start=\"2400\"\u003epowering DACs, preamplifiers and tube driver stages\u003c\/strong\u003e . It pairs successfully with high-efficiency reference headphones such as \u003cstrong data-end=\"2561\" data-start=\"2535\"\u003ethe Audio-Technica ADX5000\u003c\/strong\u003e , \u003cstrong data-end=\"2577\" data-start=\"2563\"\u003eZMF Auteur\u003c\/strong\u003e or \u003cstrong data-end=\"2600\" data-start=\"2580\"\u003eSennheiser HD580\u003c\/strong\u003e , where it enhances \u003cstrong data-end=\"2646\" data-start=\"2617\"\u003etransparency and naturalness\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-end=\"2995\" data-start=\"2649\"\u003e🎸 \u003cstrong data-end=\"2697\" data-start=\"2652\"\u003eUse in Guitar and Bass Amplifiers\u003c\/strong\u003e \u003cbr data-end=\"2700\" data-start=\"2697\"\u003eAlthough not very widespread in the guitar field, it is used in \u003cstrong data-end=\"2829\" data-start=\"2764\"\u003elow-wattage combos or handcrafted amps with soft power supplies\u003c\/strong\u003e , where it delivers a \u003cstrong data-end=\"2892\" data-start=\"2857\"\u003ecompressive, soft and musical\u003c\/strong\u003e sound, with \u003cstrong data-end=\"2926\" data-start=\"2898\"\u003ean excellent response to the touch\u003c\/strong\u003e and a \u003cstrong data-end=\"2960\" data-start=\"2933\"\u003eprogressive saturation\u003c\/strong\u003e with an authentically vintage flavour.\u003c\/p\u003e\n\u003cp data-end=\"3439\" data-start=\"2997\"\u003e🎯 \u003cstrong data-end=\"3032\" data-start=\"3000\"\u003eNote for audiophiles and technicians\u003c\/strong\u003e \u003cbr data-end=\"3035\" data-start=\"3032\"\u003eA \u003cstrong data-end=\"3082\" data-start=\"3054\"\u003ebalanced and quiet\u003c\/strong\u003e rectifier, ideal for \u003cstrong data-end=\"3117\" data-start=\"3095\"\u003ehigh-end restorations\u003c\/strong\u003e , \u003cstrong data-end=\"3142\" data-start=\"3119\"\u003ecustom applications\u003c\/strong\u003e or for those who want a \u003cstrong data-end=\"3200\" data-start=\"3166\"\u003enon-fatiguing audiophile voice\u003c\/strong\u003e . The 1951 HYTRON version, with \u003cstrong data-end=\"3269\" data-start=\"3235\"\u003eblack plates and a square getter\u003c\/strong\u003e , represents a \u003cstrong data-end=\"3316\" data-start=\"3287\"\u003esolid and refined choice\u003c\/strong\u003e for low-power systems where the quality of the rectification directly influences the overall musical character.\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 = 5.0V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 92 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:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSection 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 75 mA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSection 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIa = 80 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 Vintage Tubes - Tested and in perfect working order. Supplied in our custom box for optimum protection.\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 Very Good – Clearly legible writing with slight signs of aging, missing code on glass. See photos for details.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManufacturing Code:\u003c\/strong\u003e 51-43 -\u003cmeta charset=\"utf-8\"\u003e Manufactured 43rd week of 1951.\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":"HYTRON","offers":[{"title":"Default Title","offer_id":54744694817116,"sku":"02972L","price":34.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_f8da283e-5476-409e-811d-88d589b09cbd.jpg?v=1749807649","url":"https:\/\/vacuumtubestreasures.com\/en-fi\/products\/5y4g-hytron-black-plates-square-getter-rectifier-tube-made-in-usa-1951","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}