{"product_id":"6v6gt-magnavox-by-rca-smoked-glass-amplitrex-tested-tube-black-plate-dd-getter-made-in-usa-55","title":"6V6GT Magnavox by RCA Smoked Glass AMPLITREX Tested Tube Black Plate DD Getter Made in USA '55","description":"\u003cp class=\"p1\"\u003e\u003cb\u003e6V6GT Magnavox by RCA – Smoked Glass – Black Plates – Double D Getter – Made in USA ‘55\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eAMPLITREX Tested – VERY STRONG – Low Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGeneral Description\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eWe present a fascinating \u003cspan class=\"s1\"\u003e\u003cb\u003e6V6GT Magnavox by RCA\u003c\/b\u003e\u003c\/span\u003e, produced in the United States in \u003cspan class=\"s1\"\u003e\u003cb\u003e1955\u003c\/b\u003e\u003c\/span\u003e, identified by the manufacturing code \u003cspan class=\"s1\"\u003e\u003cb\u003e5-39 274\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cb\u003eMagnavox\u003c\/b\u003e\u003c\/span\u003e brand indicates a supply intended for quality electronics, while the internal construction is clearly \u003cspan class=\"s1\"\u003e\u003cb\u003eRCA USA\u003c\/b\u003e\u003c\/span\u003e, one of the most appreciated for musicality and reliability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eHigh-quality construction features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eSmoked Glass\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eBlack Plates\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eDouble D Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eAn extremely sought-after combination that blends vintage aesthetics with the construction quality typical of the best American productions of the 1950s.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSound Characteristics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThis 1950s RCA configuration offers a captivating sound performance.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eBass: \u003c\/b\u003eFull, round, and well-articulated.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eMids: \u003c\/b\u003eRich and three-dimensional, with very natural vocal reproduction.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eHighs: \u003c\/b\u003eSweet, never aggressive, with excellent fluidity.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eDynamics: \u003c\/b\u003eSmooth and musical, with a progressive response.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eSoundstage: \u003c\/b\u003eBroad and coherent, with good instrument separation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e🎧 Use in Hi-Fi Amplifiers\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003evintage American amplifiers\u003c\/li\u003e\n\u003cli class=\"p1\"\u003esingle-ended and push-pull configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eOffers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003ewarm and engaging timbre\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eexcellent tonal balance\u003c\/li\u003e\n\u003cli class=\"p1\"\u003egreat listening pleasure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e🎸 Use in Musical Applications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003ePerfect for guitar amplifiers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eprogressive and natural breakup\u003c\/li\u003e\n\u003cli class=\"p1\"\u003emusical compression\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eexpressive dynamic response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e🎯 Note for audiophiles and technicians\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eProduction \u003c\/span\u003e\u003cb\u003eRCA USA 1950s\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eVersion \u003c\/span\u003e\u003cb\u003eMagnavox OEM\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eSmoked Glass + Black Plates + DD Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eTest \u003c\/span\u003e\u003cb\u003eAmplitrex – VERY STRONG\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan class=\"s2\"\u003eA tube that combines \u003c\/span\u003e\u003cb\u003ehistorical prestige, high-level construction, and an authentically vintage sound performance\u003c\/b\u003e\u003cspan class=\"s2\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eA \u003cspan class=\"s1\"\u003e\u003cb\u003e1955 RCA Magnavox\u003c\/b\u003e\u003c\/span\u003e, capable of offering all the sonic magic of great vintage American tubes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTube tested on \u003cstrong\u003eAMPLITREX AT-1000 \u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003eVa = 250V; Vg2 = 250V; Vg = -12.5V \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eMeasurements taken after 10 minutes of warm-up.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage 100%:\u003c\/strong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003eGm = 4.1 ; Ia = 45 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Result:\u003c\/strong\u003e VERY STRONG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eTube :\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eGm = 4.39 ; Ia = 43.8 mA\u003c\/span\u003e\u003c\/p\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\u003eLow. Tested and suitable for hi-fi use, even in phono stages and guitar amplifiers.\u003c\/span\u003e\u003c\/li\u003e\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\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eShorts and GAS:\u003c\/strong\u003e Absent.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"221\" data-end=\"371\"\u003e\n\u003cstrong data-start=\"223\" data-end=\"233\"\u003eCondition:\u003c\/strong\u003e Vintage Tubes - Tested and perfectly functional. Supplied in our custom box for optimal protection. \u003c\/li\u003e\n\u003cli data-start=\"372\" data-end=\"456\"\u003e\n\u003cstrong data-start=\"374\" data-end=\"391\"\u003eFunctionality:\u003c\/strong\u003e Perfectly operational, with excellent test results.\u003c\/li\u003e\n\u003cli data-start=\"457\" data-end=\"672\"\u003e\n\u003cstrong data-start=\"459\" data-end=\"484\"\u003eAesthetic condition:\u003c\/strong\u003e Excellent – Markings well-preserved, minimal signs of age. See photos for details.\u003cstrong data-start=\"675\" data-end=\"703\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong data-start=\"675\" data-end=\"703\"\u003eManufacturing code: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-39 274 → RMA\/EIA Open Date Code → manufactured 39th week of 1955 - 274 → Radio Corporation of America, Camden, N. J.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Perché le nostre valvole sono diverse – il protocollo VTT che migliora suono, affidabilità e durata\" href=\"https:\/\/vacuumtubestreasures.com\/blogs\/notizie\/perche-le-nostre-valvole-sono-diverse\" 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":57250958147932,"sku":"03501V","price":109.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_d8c049b9-2809-4a80-8f8b-e7f5ccb55655.jpg?v=1775140475","url":"https:\/\/vacuumtubestreasures.com\/en-gr\/products\/6v6gt-magnavox-by-rca-smoked-glass-amplitrex-tested-tube-black-plate-dd-getter-made-in-usa-55","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}