{"product_id":"western-electric-310a-mesh-plates-matched-pair-square-getter-amplitrex-tested-made-in-usa","title":"310A Western Electric Mesh Plates – Matched Pair – Square Getter – AMPLITREX Tested – Made in USA","description":"\u003cp\u003e\u003cstrong\u003eWestern Electric 310A Mesh Plates – Matched Pair – Square Getter – AMPLITREX Tested – 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\u003e \u003cspan style=\"text-decoration: underline;\"\u003eNote: One of the two valves has a visible crack on the plastic base (see photo), which does not affect its operation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"490\" data-end=\"967\"\u003e This \u003cstrong data-start=\"527\" data-end=\"570\"\u003ematched pair of Western Electric 310As\u003c\/strong\u003e , \u003cstrong data-start=\"572\" data-end=\"587\"\u003eMade in USA\u003c\/strong\u003e , is one of the rarest and most historically significant versions of this famous tube.\u003cbr data-start=\"685\" data-end=\"688\"\u003e The \u003cstrong data-start=\"691\" data-end=\"748\"\u003econstruction specification with mesh plates and square getters\u003c\/strong\u003e can be traced back to the \u003cstrong data-start=\"770\" data-end=\"807\"\u003efirst Western Electric productions\u003c\/strong\u003e , which can be placed \u003cstrong data-start=\"821\" data-end=\"877\"\u003ebetween the end of the 30s and the beginning of the 40s\u003c\/strong\u003e , a period unanimously considered to be the period of maximum qualitative excellence of the American company.\u003c\/p\u003e\n\n \u003cp data-start=\"969\" data-end=\"1318\"\u003eThe valves have been \u003cstrong data-start=\"991\" data-end=\"1016\"\u003etested with AMPLITREX\u003c\/strong\u003e and show an electrical behaviour \u003cstrong data-start=\"1057\" data-end=\"1069\"\u003elike NOS\u003c\/strong\u003e , with \u003cstrong data-start=\"1075\" data-end=\"1102\"\u003every high emission\u003c\/strong\u003e , \u003cstrong data-start=\"1104\" data-end=\"1128\"\u003eexcellent stability\u003c\/strong\u003e and \u003cstrong data-start=\"1131\" data-end=\"1156\"\u003eperfect functionality\u003c\/strong\u003e .\u003cbr data-start=\"1157\" data-end=\"1160\"\u003e The \u003cstrong data-start=\"1163\" data-end=\"1193\"\u003ebase is perfectly stable\u003c\/strong\u003e and \u003cstrong data-start=\"1196\" data-end=\"1251\"\u003ethere are no loose parts inside the tube\u003c\/strong\u003e , a fundamental element on this type of historical construction.\u003c\/p\u003e\n\n\u003cp data-start=\"1320\" data-end=\"1421\"\u003e Selecting as \u003cstrong data-start=\"1338\" data-end=\"1354\"\u003eMatched Pair\u003c\/strong\u003e ensures \u003cstrong data-start=\"1366\" data-end=\"1388\"\u003eoperational consistency\u003c\/strong\u003e and \u003cstrong data-start=\"1391\" data-end=\"1420\"\u003euniformity of sound output\u003c\/strong\u003e .\u003c\/p\u003e\n\n\u003cp data-start=\"1423\" data-end=\"1634\"\u003e \u003cstrong data-start=\"1425\" data-end=\"1451\"\u003eSound Characteristics\u003c\/strong\u003e \u003cbr data-start=\"1451\" data-end=\"1454\"\u003eThe \u003cstrong data-start=\"1457\" data-end=\"1498\"\u003eWestern Electric 310A with mesh plates\u003c\/strong\u003e is universally recognized as one of the finest signal tubes ever produced, with an \u003cstrong data-start=\"1609\" data-end=\"1633\"\u003eabsolute reference\u003c\/strong\u003e sound quality.\u003c\/p\u003e\n\n\u003cp data-start=\"1636\" data-end=\"1800\"\u003e \u003cstrong data-start=\"1636\" data-end=\"1645\"\u003eBass\u003c\/strong\u003e\u003cbr data-start=\"1645\" data-end=\"1648\"\u003e Surprisingly articulate and controlled for a signal tube. The low end is precise, fast, and well-defined, with excellent rhythmic tracking.\u003c\/p\u003e\n\n\u003cp data-start=\"1802\" data-end=\"2012\"\u003e \u003cstrong data-start=\"1802\" data-end=\"1810\"\u003eMedium\u003c\/strong\u003e\u003cbr data-start=\"1810\" data-end=\"1813\"\u003e The real strength: extraordinarily natural, three-dimensional, and rich in micro-detail. Voices are alive and present; acoustic and jazz instruments reach a rare level of realism.\u003c\/p\u003e\n\n\u003cp data-start=\"2014\" data-end=\"2209\"\u003e \u003cstrong data-start=\"2014\" data-end=\"2022\"\u003eHigh\u003c\/strong\u003e\u003cbr data-start=\"2022\" data-end=\"2025\"\u003e Extended, silky, and refined. The lack of grain and the elegance of the top end are typical of early Western Electric production, with a perfect balance between detail and sweetness.\u003c\/p\u003e\n\n \u003cp data-start=\"2211\" data-end=\"2354\"\u003e\u003cstrong data-start=\"2211\" data-end=\"2223\"\u003eDynamics\u003c\/strong\u003e\u003cbr data-start=\"2223\" data-end=\"2226\"\u003e Excellent, smooth, and immediate. Transient response is quick but never aggressive, with top-notch microdynamics.\u003c\/p\u003e\n\n\u003cp data-start=\"2356\" data-end=\"2543\"\u003e \u003cstrong data-start=\"2356\" data-end=\"2370\"\u003eSoundstage\u003c\/strong\u003e\u003cbr data-start=\"2370\" data-end=\"2373\"\u003e Wide, deep, and perfectly layered. The soundstage is stable, three-dimensional, and incredibly realistic, with reference-level instrument separation.\u003c\/p\u003e\n\n\u003cp data-start=\"2545\" data-end=\"2601\"\u003e 🎧 \u003cstrong data-start=\"2548\" data-end=\"2585\"\u003eUse in Hi-Fi Stereo Amplifiers\u003c\/strong\u003e\u003cbr data-start=\"2585\" data-end=\"2588\"\u003e Ideal for:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2604\" data-end=\"2643\"\u003e top-of-the-line preamplifiers\u003c\/li\u003e\n\n\u003cli data-start=\"2646\" data-end=\"2716\"\u003e Input and driver stages in single-ended and push-pull amplifiers\u003c\/li\u003e\n\n\u003cli data-start=\"2719\" data-end=\"2780\"\u003e high-efficiency, ultra-high-resolution hi-fi systems\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"2782\" data-end=\"2870\"\u003e A definitive choice for those seeking \u003cstrong data-start=\"2820\" data-end=\"2869\"\u003emaximum transparency, naturalness and musicality\u003c\/strong\u003e .\u003c\/p\u003e\n\n\u003cp data-start=\"2872\" data-end=\"2932\"\u003e 🎸 \u003cstrong data-start=\"2875\" data-end=\"2907\"\u003eUse in Music Applications\u003c\/strong\u003e\u003cbr data-start=\"2907\" data-end=\"2910\"\u003e Highly appreciated in:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2935\" data-end=\"2974\"\u003e studio and broadcast equipment\u003c\/li\u003e\n\n\u003cli data-start=\"2977\" data-end=\"3021\"\u003e vintage circuits and reference designs\u003c\/li\u003e\n\n \u003cli data-start=\"3024\" data-end=\"3104\"\u003eapplications where silence, linearity and tonal quality are essential\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"3106\" data-end=\"3204\"\u003e They offer an extremely controlled, harmonically rich yield free from artificial colouring.\u003c\/p\u003e\n\n\u003cp data-start=\"3206\" data-end=\"3334\"\u003e 🎯 \u003cstrong data-start=\"3209\" data-end=\"3241\"\u003eNote for audiophiles and technicians\u003c\/strong\u003e\u003cbr data-start=\"3241\" data-end=\"3244\"\u003e This \u003cstrong data-start=\"3251\" data-end=\"3319\"\u003eWestern Electric 310A Mesh Plates – Square Getter – Matched Pair\u003c\/strong\u003e represents:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"3337\" data-end=\"3399\"\u003e a \u003cstrong data-start=\"3341\" data-end=\"3369\"\u003efirst historical production\u003c\/strong\u003e (late 30s \/ early 40s)\u003c\/li\u003e\n\n\u003cli data-start=\"3402\" data-end=\"3454\"\u003e one of the rarest and most sought-after variants of the 310A\u003c\/li\u003e\n\n\u003cli data-start=\"3457\" data-end=\"3489\"\u003e \u003cstrong data-start=\"3457\" data-end=\"3487\"\u003eNOS-like test on AMPLITREX\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-start=\"3492\" data-end=\"3550\"\u003e Western Electric build quality at its best\u003c\/li\u003e\n\n\u003cli data-start=\"3553\" data-end=\"3609\"\u003e \u003cstrong data-start=\"3560\" data-end=\"3609\"\u003eextremely high sound and collectible\u003c\/strong\u003e value\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n \u003cp data-start=\"3611\" data-end=\"3773\"\u003eA pair intended for \u003cstrong data-start=\"3634\" data-end=\"3660\"\u003ereference systems\u003c\/strong\u003e , \u003cstrong data-start=\"3662\" data-end=\"3688\"\u003edemanding collectors\u003c\/strong\u003e and enthusiasts who desire the \u003cstrong data-start=\"3722\" data-end=\"3772\"\u003eauthentic Western Electric sound of the origins\u003c\/strong\u003e .\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp data-start=\"3046\" data-end=\"3436\"\u003e \u003cstrong\u003eTest Results:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e Valves tested on \u003cstrong\u003eAmplitrex AT-1000 Tube tester\u003c\/strong\u003e :\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTest Conditions:\u003c\/strong\u003e Va = 180V,\u003cmeta charset=\"utf-8\"\u003e Vg2 = 135V, Vg = -3V\u003c\/li\u003e\n\n\u003cli\u003e \u003cstrong\u003eAverage 100% Gm = 1.8 ; Ia = 5.5 mA\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eValve #1:\u003c\/strong\u003e Gm = 1.70 ; Ia = 5.8 mA\u003c\/p\u003e\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eValve #2:\u003c\/strong\u003e Gm = 1.66 ; Ia = 5.3 mA\u003c\/p\u003e\n\n\u003cdiv\u003e \u003cstrong\u003eAdditional Tests Performed:\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eMicrophonics and Noise\u003c\/strong\u003e : Standard. Tested and compliant for hi-fi use.\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\u003cstrong\u003eCondition:\u003c\/strong\u003e Vintage tubes - Tested and in perfect working order. Shipped 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\u003eCosmetic condition:\u003c\/strong\u003e \u003cspan\u003eExcellent – ​​Excellently preserved lettering, minimal signs of wear. See photos for details.\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eManufacturing Code:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003enot decipherable – Western Electric USA production, identifiable by construction features, attributable to the first productions, late 1930s \/ early 1940s.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\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":"WESTERN ELECTRIC","offers":[{"title":"Default Title","offer_id":56347786707292,"sku":"03335-ONSPEC","price":1190.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_2ce8a68f-88f3-4c08-8893-a99d1754346b.jpg?v=1767113197","url":"https:\/\/vacuumtubestreasures.com\/en-hr\/products\/western-electric-310a-mesh-plates-matched-pair-square-getter-amplitrex-tested-made-in-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}