{"product_id":"12ax7-ecc83-baldwin-by-sylvania-character-grade-set-da-4-long-gray-plates-halo-getter-usa","title":"12AX7 \/ ECC83 Baldwin by Sylvania Matched Quad Long Gray Plates Halo Getter Made in USA","description":"\u003cp\u003e\u003cstrong\u003e12AX7 \/ ECC83 Baldwin by Sylvania Matched Quad 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 class=\"\" data-end=\"703\" data-start=\"214\"\u003eLa\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"246\" data-start=\"217\"\u003e12AX7 Baldwin by Sylvania\u003c\/strong\u003e, prodotta negli\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"287\" data-start=\"263\"\u003eStati Uniti nel 1952\u003c\/strong\u003e, è una valvola selezionata per organi Baldwin e costruita da Sylvania con\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"387\" data-start=\"362\"\u003epiastre lunghe grigie\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ee\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"429\" data-start=\"390\"\u003egetter ad anello di grande diametro\u003c\/strong\u003e, secondo standard di selezione rigorosi. Questo\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"499\" data-start=\"478\"\u003equartetto matched\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erappresenta una rara combinazione di\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"604\" data-start=\"537\"\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 class=\"\" data-end=\"900\" data-start=\"705\"\u003e\u003cstrong data-end=\"714\" data-start=\"705\"\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 class=\"\" data-end=\"1101\" data-start=\"902\"\u003e\u003cstrong data-end=\"910\" data-start=\"902\"\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 class=\"\" data-end=\"1267\" data-start=\"1103\"\u003e\u003cstrong data-end=\"1111\" data-start=\"1103\"\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 class=\"\" data-end=\"1465\" data-start=\"1269\"\u003e\u003cstrong data-end=\"1281\" data-start=\"1269\"\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 class=\"\" data-end=\"1679\" data-start=\"1467\"\u003e\u003cstrong data-end=\"1481\" data-start=\"1467\"\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 class=\"\" data-end=\"2051\" data-start=\"1681\"\u003eQuesto\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1748\" data-start=\"1688\"\u003equartetto matched 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-end=\"1848\" data-start=\"1791\"\u003epresentazione timbrica raffinata, musicale e omogenea\u003c\/strong\u003e, ideale per\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1979\" data-start=\"1861\"\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-end=\"2030\" data-start=\"1988\"\u003esimmetria e la precisione tra i canali\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efanno la differenza.\u003c\/p\u003e\n\u003cp data-start=\"215\" data-end=\"691\" class=\"\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"218\" data-end=\"263\"\u003eUso in Amplificatori per Chitarra e Basso\u003c\/strong\u003e\u003cbr data-start=\"263\" data-end=\"266\"\u003e\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"756\" data-start=\"247\"\u003eQuesto \u003cstrong data-end=\"379\" data-start=\"305\"\u003equartetto matched 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-end=\"502\" data-start=\"443\"\u003etestate stereo, amplificatori con più stadi di guadagno\u003c\/strong\u003e, oppure a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"532\" data-start=\"513\"\u003epre multicanale\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein cui la\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"582\" data-start=\"543\"\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-end=\"708\" data-start=\"673\"\u003emusicale, articolato e naturale\u003c\/strong\u003e, anche in configurazioni complesse o da studio.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1072\" data-start=\"758\"\u003e🔊\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"798\" data-start=\"761\"\u003eIdeale per musicisti che cercano:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1072\" data-start=\"758\"\u003eUniformità timbrica e risposta coerente su tutti i canali\u003cbr data-end=\"863\" data-start=\"860\"\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1072\" data-start=\"758\"\u003ePuliti tridimensionali, caldi e ben separati\u003cbr data-end=\"912\" data-start=\"909\"\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1072\" data-start=\"758\"\u003eUn overdrive fluido e armonico, ideale per jazz, blues e rock vintage\u003cbr data-end=\"986\" data-start=\"983\"\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1072\" data-start=\"758\"\u003eBassa microfonicità, perfetta anche in rack da studio o sistemi live professionali\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"\" data-end=\"1585\" data-start=\"1074\"\u003e\u003cstrong data-end=\"1122\" data-start=\"1074\"\u003eEsempi di applicazioni dove danno il meglio:\u003c\/strong\u003e\u003cbr data-end=\"1125\" data-start=\"1122\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1227\" data-start=\"1128\"\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-end=\"1295\" data-start=\"1292\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1390\" data-start=\"1298\"\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-end=\"1457\" data-start=\"1454\"\u003e🎸\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-is-only-node=\"\" data-end=\"1509\" data-start=\"1460\"\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 class=\"\" data-end=\"2048\" data-start=\"1587\"\u003e🎯\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1635\" data-start=\"1590\"\u003eNota per i musicisti e tecnici da studio:\u003c\/strong\u003e\u003cbr data-end=\"1638\" data-start=\"1635\"\u003eQuesto quartetto matched rappresenta una\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1769\" data-start=\"1679\"\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-end=\"2001\" data-start=\"1936\"\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 BUONO\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 = 1200 ; Ia = 0.7 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1300 ; Ia = 0.7 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 = 1300 ; Ia = 0.8 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1200 ; Ia = 0.7 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 = 1200 ; Ia = 0.7 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 = 1300 ; Ia = 0.7 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1400 ; Ia = 0.8 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 presentano un equilibrio complessivo coerente, pienamente compatibile con l’impiego negli amplificatori musicali, in tutte le applicazioni in cui non sia richiesta una simmetria assoluta tra le sezioni.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQualità dell’Emissione:\u003c\/strong\u003e Eccellente – Emissione 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\u003eValvole Vintage - Testate e perfettamente funzionanti. 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 312 239 → 312 indica il fabbricante, ovvero Sylvania Electric Products Inc., Emporium, Pa. - 239 → 2 ( su tre cifre ) → 1952 - 39 → 39a settimana dell'anno\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":56521971564892,"sku":"03376","price":125.86,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1.jpg?v=1769179821","url":"https:\/\/vacuumtubestreasures.com\/it-lt\/products\/12ax7-ecc83-baldwin-by-sylvania-character-grade-set-da-4-long-gray-plates-halo-getter-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}