{"product_id":"12ax7-ecc83-baldwin-by-sylvania-matched-pair-long-gray-plates-halo-getter-made-in-usa","title":"12AX7 \/ ECC83 Baldwin by Sylvania Matched Pair Long Gray Plates Halo Getter Made in USA","description":"\u003cp\u003e\u003cstrong\u003e12AX7 \/ ECC83 Baldwin by Sylvania Matched Pair Long Gray Plates Halo Getter Made in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"214\" data-end=\"703\" class=\"\"\u003eLa\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"217\" data-end=\"246\"\u003e12AX7 Baldwin by Sylvania\u003c\/strong\u003e, prodotta negli\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"263\" data-end=\"287\"\u003eStati Uniti nel 1951\u003c\/strong\u003e, è una valvola selezionata per organi Baldwin e costruita da Sylvania con\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"362\" data-end=\"387\"\u003epiastre lunghe grigie\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ee\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"390\" data-end=\"429\"\u003egetter ad anello di grande diametro\u003c\/strong\u003e, secondo standard di selezione rigorosi. Questa\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"478\" data-end=\"499\"\u003ecoppia matched\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erappresenta una rara combinazione di\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"537\" data-end=\"604\"\u003emusicalità naturale, silenziosità operativa e coerenza timbrica\u003c\/strong\u003e, ideale per applicazioni stereo simmetriche o configurazioni a canali multipli ad alta precisione.\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"900\" class=\"\"\u003e\u003cstrong data-start=\"705\" data-end=\"714\"\u003eBassi\u003c\/strong\u003e: Morbidi e ben controllati, con una presenza equilibrata e priva di gonfiamenti. Offrono una base solida e coerente per la scena sonora, con ottima articolazione nei registri inferiori.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1101\" class=\"\"\u003e\u003cstrong data-start=\"902\" data-end=\"910\"\u003eMedi\u003c\/strong\u003e: Caldi, leggermente eufonici e ricchi di armoniche. Le voci e gli strumenti acustici emergono con naturalezza e profondità, mantenendo sempre una timbrica coerente tra le valvole del gruppo.\u003c\/p\u003e\n\u003cp data-start=\"1103\" data-end=\"1267\" class=\"\"\u003e\u003cstrong data-start=\"1103\" data-end=\"1111\"\u003eAlti\u003c\/strong\u003e: Arieggiati e vellutati, privi di asprezze. Anche su impianti molto analitici, la gamma alta conserva brillantezza e musicalità senza affaticare l’ascolto.\u003c\/p\u003e\n\u003cp data-start=\"1269\" data-end=\"1465\" class=\"\"\u003e\u003cstrong data-start=\"1269\" data-end=\"1281\"\u003eDinamica\u003c\/strong\u003e: Fluida, musicale e ben proporzionata. Il quartetto restituisce una risposta coesa e naturale, con microtransienti ben gestiti e un comportamento lineare e affidabile in ogni valvola.\u003c\/p\u003e\n\u003cp data-start=\"1467\" data-end=\"1679\" class=\"\"\u003e\u003cstrong data-start=\"1467\" data-end=\"1481\"\u003eSoundstage\u003c\/strong\u003e: Ampio, tridimensionale e stabile. Grazie al matching accurato, la scena sonora risulta profondamente coerente, con ottima separazione tra i piani sonori e una sensazione di spazio ben distribuito.\u003c\/p\u003e\n\u003cp data-start=\"1681\" data-end=\"2051\" class=\"\"\u003eQuesta\u003cstrong data-start=\"1688\" data-end=\"1748\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"478\" data-end=\"499\"\u003ecoppia matched\u003c\/strong\u003e di 12AX7 Sylvania prodotte per Baldwin\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eè una scelta eccellente per chi cerca una\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1791\" data-end=\"1848\"\u003epresentazione timbrica raffinata, musicale e omogenea\u003c\/strong\u003e, ideale per\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1861\" data-end=\"1979\"\u003epreamplificatori a canali multipli, amplificatori stereo dual-mono, DAC bilanciati, o sistemi hi-fi di fascia alta\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edove la\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1988\" data-end=\"2030\"\u003esimmetria e la precisione tra i canali\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efanno la differenza.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"691\" data-start=\"215\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"263\" data-start=\"218\"\u003eUso in Amplificatori per Chitarra e Basso\u003c\/strong\u003e\u003cbr data-end=\"266\" data-start=\"263\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"247\" data-end=\"756\" class=\"\"\u003eQuesta\u003cstrong data-start=\"305\" data-end=\"379\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"478\" data-end=\"499\"\u003ecoppia matched\u003c\/strong\u003e di 12AX7 Baldwin by Sylvania a piastre lunghe grigie\u003c\/strong\u003e, selezionato per uso professionale, è particolarmente adatto a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"443\" data-end=\"502\"\u003etestate stereo, amplificatori con più stadi di guadagno\u003c\/strong\u003e, oppure a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"513\" data-end=\"532\"\u003epre multicanale\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein cui la\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"543\" data-end=\"582\"\u003econsistenza timbrica tra le valvole\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eè fondamentale. La loro risposta dolce, armonica e coerente permette di ottenere un suono\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"673\" data-end=\"708\"\u003emusicale, articolato e naturale\u003c\/strong\u003e, anche in configurazioni complesse o da studio.\u003c\/p\u003e\n\u003cp data-start=\"758\" data-end=\"1072\" class=\"\"\u003e🔊\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"761\" data-end=\"798\"\u003eIdeale per musicisti che cercano:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"758\" data-end=\"1072\"\u003eUniformità timbrica e risposta coerente su tutti i canali\u003cbr data-start=\"860\" data-end=\"863\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"758\" data-end=\"1072\"\u003ePuliti tridimensionali, caldi e ben separati\u003cbr data-start=\"909\" data-end=\"912\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"758\" data-end=\"1072\"\u003eUn overdrive fluido e armonico, ideale per jazz, blues e rock vintage\u003cbr data-start=\"983\" data-end=\"986\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"758\" data-end=\"1072\"\u003eBassa microfonicità, perfetta anche in rack da studio o sistemi live professionali\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1074\" data-end=\"1585\" class=\"\"\u003e\u003cstrong data-start=\"1074\" data-end=\"1122\"\u003eEsempi di applicazioni dove danno il meglio:\u003c\/strong\u003e\u003cbr data-start=\"1122\" data-end=\"1125\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1128\" data-end=\"1227\"\u003eTestate stereo boutique (Two Rock Studio Signature, Matchless HC-30, Mesa Boogie Studio Preamp)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Garantisce simmetria timbrica tra i canali e grande musicalità\u003cbr data-start=\"1292\" data-end=\"1295\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1298\" data-end=\"1390\"\u003eAmpli vintage con più valvole di pre (Fender Bassman 6G6, Marshall Super Lead, Ampeg V4)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Rende il suono più coerente e raffinato lungo tutta la catena\u003cbr data-start=\"1454\" data-end=\"1457\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1460\" data-end=\"1509\" data-is-only-node=\"\"\u003ePreamplificatori multicanale da studio o live\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Ideali per garantire consistenza timbrica e basso rumore in ogni canale\u003c\/p\u003e\n\u003cp data-start=\"1587\" data-end=\"2048\" class=\"\"\u003e🎯\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1590\" data-end=\"1635\"\u003eNota per i musicisti e tecnici da studio:\u003c\/strong\u003e\u003cbr data-start=\"1635\" data-end=\"1638\"\u003e\u003cmeta charset=\"utf-8\"\u003eQuesta\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"478\" data-end=\"499\"\u003ecoppia matched\u003c\/strong\u003e rappresenta una\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1679\" data-end=\"1769\"\u003esoluzione professionale per chi cerca coerenza e musicalità in ogni punto del circuito\u003c\/strong\u003e. Non è adatto a chi desidera un suono spinto, saturo o aggressivo: in quel caso, si potranno preferire valvole più spinte come le Tung-Sol moderne. Ma per chi ama il\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1936\" data-end=\"2001\"\u003etocco vintage, il dettaglio naturale e la profondità armonica\u003c\/strong\u003e, è una delle scelte più raffinate disponibili.\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 #10:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2200 ; Ia = 1.8 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = \u003cmeta charset=\"utf-8\"\u003e2200 ; Ia = \u003cmeta charset=\"utf-8\"\u003e1.8 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola #11:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1900 ; Ia = 1.2 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2100 ; Ia = 1.6 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 Bassa. Testata e conforme per l'uso in amplificatori per chitarra anche in V1.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBilanciamento:\u003c\/strong\u003e Le sezioni non risultano perfettamente allineate. La valvola è indicata per l’uso in ambito hi-fi su stadi non critici (ingresso o driver) e negli amplificatori per chitarra. Non indicata come phase inverter o in applicazioni che richiedano un equilibrio rigoroso tra le sezioni.\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\u003eNOS - New Old Stock - Testata e funzionante - Fornite in nostra scatola personalizzata per una protezione ottimale. \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 Buone – Scritte parzialmente erose, ma ancora leggibili. Corpo della valvola in buone condizioni. Vedi foto per i dettagli.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCodice di Fabbricazione:\u003c\/strong\u003e 312 139 → 312 indica il fabbricante, ovvero Sylvania Electric Products Inc., Emporium, Pa. - 239 → 1 ( su tre cifre ) → 1951 - 39 → 39a settimana dell'anno\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":56664667259228,"sku":"03410S","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_0f3723a3-f318-462b-8148-17f9e1a91316.jpg?v=1770402309","url":"https:\/\/vacuumtubestreasures.com\/it-hr\/products\/12ax7-ecc83-baldwin-by-sylvania-matched-pair-long-gray-plates-halo-getter-made-in-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}