{"product_id":"12ax7-ecc83-nos-baldwin-by-sylvania-long-gray-plates-large-halo-getter-matched-tubes-made-in-usa-50","title":"12AX7 ECC83 NOS Baldwin by Sylvania – Long Gray Plates Large Halo Getter Matched Quad Tubes USA 1949","description":"\u003cp\u003e\u003cstrong\u003e12AX7 ( ECC83 ) NOS Baldwin by SYLVANIA Long Gray Plates Large Halo Getter Matched Tubes MADE IN USA '49\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"461\" data-end=\"928\"\u003eLe \u003cstrong data-start=\"464\" data-end=\"505\"\u003e12AX7 (ECC83) NOS Baldwin by Sylvania\u003c\/strong\u003e, con \u003cstrong data-start=\"511\" data-end=\"551\"\u003eLong Gray Plates e Large Halo Getter\u003c\/strong\u003e, prodotte negli \u003cstrong data-start=\"568\" data-end=\"592\"\u003eStati Uniti nel 1949\u003c\/strong\u003e, sono valvole \u003cstrong data-start=\"607\" data-end=\"681\"\u003eselezionate e realizzate da Sylvania specificamente per Baldwin Organs\u003c\/strong\u003e. Queste valvole offrono una timbrica \u003cstrong data-start=\"719\" data-end=\"766\"\u003etrasparente, musicale e armonicamente ricca\u003c\/strong\u003e, con un suono \u003cstrong data-start=\"781\" data-end=\"806\"\u003edinamico e bilanciato\u003c\/strong\u003e, risultando ideali sia per \u003cstrong data-start=\"834\" data-end=\"876\"\u003epreamplificatori hi-fi di alto livello\u003c\/strong\u003e che per \u003cstrong data-start=\"885\" data-end=\"925\"\u003eamplificatori per strumenti musicali\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"930\" data-end=\"1822\"\u003e\n\u003cli data-start=\"930\" data-end=\"1092\"\u003e\n\u003cstrong data-start=\"932\" data-end=\"941\"\u003eBassi\u003c\/strong\u003e: \u003cstrong data-start=\"943\" data-end=\"979\"\u003eTesi, definiti e ben controllati\u003c\/strong\u003e, con una gamma bassa \u003cstrong data-start=\"1001\" data-end=\"1035\"\u003eprofonda ma sempre equilibrata\u003c\/strong\u003e, garantendo \u003cstrong data-start=\"1048\" data-end=\"1089\"\u003eprecisione e impatto senza gonfiature\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1093\" data-end=\"1291\"\u003e\n\u003cstrong data-start=\"1095\" data-end=\"1103\"\u003eMedi\u003c\/strong\u003e: \u003cstrong data-start=\"1105\" data-end=\"1148\"\u003eFluidi, dettagliati e leggermente caldi\u003c\/strong\u003e, con una resa vocale \u003cstrong data-start=\"1170\" data-end=\"1200\"\u003enaturale e tridimensionale\u003c\/strong\u003e. Gli strumenti emergono con \u003cstrong data-start=\"1229\" data-end=\"1288\"\u003eun’ottima separazione e un dettaglio armonico raffinato\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1471\"\u003e\n\u003cstrong data-start=\"1294\" data-end=\"1302\"\u003eAlti\u003c\/strong\u003e: \u003cstrong data-start=\"1304\" data-end=\"1335\"\u003eAriosi, setosi e ben estesi\u003c\/strong\u003e, con una resa \u003cstrong data-start=\"1350\" data-end=\"1380\"\u003echiara e priva di asprezze\u003c\/strong\u003e. Il livello di dettaglio è \u003cstrong data-start=\"1408\" data-end=\"1431\"\u003emusicale e naturale\u003c\/strong\u003e, evitando qualsiasi fatica d’ascolto.\u003c\/li\u003e\n\u003cli data-start=\"1472\" data-end=\"1661\"\u003e\n\u003cstrong data-start=\"1474\" data-end=\"1486\"\u003eDinamica\u003c\/strong\u003e: \u003cstrong data-start=\"1488\" data-end=\"1509\"\u003ePronta e reattiva\u003c\/strong\u003e, con una gestione dei transienti \u003cstrong data-start=\"1543\" data-end=\"1563\"\u003eprecisa e fluida\u003c\/strong\u003e, capace di restituire \u003cstrong data-start=\"1586\" data-end=\"1635\"\u003esfumature sonore sottili e dettagli intricati\u003c\/strong\u003e con grande naturalezza.\u003c\/li\u003e\n\u003cli data-start=\"1662\" data-end=\"1822\"\u003e\n\u003cstrong data-start=\"1664\" data-end=\"1678\"\u003eSoundstage\u003c\/strong\u003e: \u003cstrong data-start=\"1680\" data-end=\"1702\"\u003eAmpio e realistico\u003c\/strong\u003e, con una separazione strumentale eccellente e una resa spaziale che dona \u003cstrong data-start=\"1776\" data-end=\"1819\"\u003eprofondità e ariosità alla scena sonora\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1824\" data-end=\"2288\"\u003eGrazie alla loro \u003cstrong data-start=\"1841\" data-end=\"1923\"\u003ecostruzione robusta e alla selezione accurata da parte di Sylvania per Baldwin\u003c\/strong\u003e, le \u003cstrong data-start=\"1928\" data-end=\"1963\"\u003e12AX7 Sylvania Long Gray Plates\u003c\/strong\u003e degli anni ‘40 offrono \u003cstrong data-start=\"1987\" data-end=\"2050\"\u003ebassa microfonicità, stabilità operativa e una lunga durata\u003c\/strong\u003e, risultando perfette per \u003cstrong data-start=\"2076\" data-end=\"2110\"\u003eaudiofili e musicisti esigenti\u003c\/strong\u003e. Il loro \u003cstrong data-start=\"2120\" data-end=\"2178\"\u003esuono musicale, dettagliato e armonicamente bilanciato\u003c\/strong\u003e le rende una scelta eccellente per chi desidera una \u003cstrong data-start=\"2231\" data-end=\"2285\"\u003eriproduzione sonora precisa, fluida e coinvolgente\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValvola testata su \u003cstrong\u003eAMPLITREX AT-1000 \u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni di Test:\u003c\/strong\u003e\u003cspan\u003e Va = 250V ; Vg = -2V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1600 ; Ia = 1,2 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisultato del Test:\u003c\/strong\u003e MOLTO FORTE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1600 ; Ia = 1,1 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1500 ; Ia = 1,1 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola 2:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1600 ; Ia = 1,1 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1500 ; Ia = 1,0 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola 3:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1500 ; Ia = 0,9 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1300 ; Ia = 0,8 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola 4:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1500 ; Ia = 0,9 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1500 ; Ia = 1,0 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTest Addizionali eseguiti:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMicrofonicità:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eStandard. Testate e conformi per l'uso in hi-fi e amplificatori per chitarra. Non consigliate per la posizione V1 negli amplificatori per chitarra ad alta sensibilità.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQualità dell’Emissione:\u003c\/strong\u003e Eccellente – Emissione molto forte e stabile, senza fluttuazioni.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCortocircuiti e GAS:\u003c\/strong\u003e Assenti.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCondizioni:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni: \u003c\/strong\u003eNew Old Stock - Testata e funzionante - In nostra scatola personalizzata. \u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunzionalità: \u003c\/strong\u003ePerfettamente operativa.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni estetiche:\u003c\/strong\u003e Eccellenti – Scritte ottimamente conservate, minimi segni di usura. Vedi foto.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCodice di Fabbricazione: \u003c\/strong\u003e312 913 - 13ma settimana del 1949\u003c\/li\u003e\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=\"Perché le nostre valvole sono diverse – il protocollo VTT che migliora suono, affidabilità e durata\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eScopra perché le nostre valvole sono diverse →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":54067629195612,"sku":"02795","price":179.8,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_2ab212f6-b2d7-41ba-b566-5e2703881a12.jpg?v=1740761077","url":"https:\/\/vacuumtubestreasures.com\/it-hr\/products\/12ax7-ecc83-nos-baldwin-by-sylvania-long-gray-plates-large-halo-getter-matched-tubes-made-in-usa-50","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}