{"product_id":"usn-6922-sylvania-usa-gold-pin-horseshoe-getter-1962-military-grade-amplitrex-tested-forte","title":"USN 6922 SYLVANIA USA Gold Pin – Horseshoe Getter – 1962 – Military Grade – Amplitrex Tested – FORTE","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eUSN 6922 SYLVANIA USA Gold Pin – Horseshoe Getter – 1962 – Military Grade – Amplitrex Tested – FORTE\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eQuesta \u003cspan class=\"s1\"\u003e\u003cb\u003eUSN 6922 SYLVANIA\u003c\/b\u003e\u003c\/span\u003e, prodotta negli Stati Uniti nel 1962, è una versione militare destinata alla U.S. Navy, costruita secondo specifiche più rigorose rispetto alla produzione civile.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eSi tratta di una \u003cspan class=\"s1\"\u003e\u003cb\u003eautentica produzione SYLVANIA USA\u003c\/b\u003e\u003c\/span\u003e, con caratteristiche costruttive tipiche della prima metà degli anni ’60:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003ePin dorati (Gold Pin)\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eGetter a ferro di cavallo (Horseshoe Getter)\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eStruttura interna Sylvania robusta e compatta\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMarcatura USN originale\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eProduzione militare americana certificata\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eUna 6922 USA dal carattere solido, stabile e coerente.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCaratteristiche Sonore\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eLe 6922 Sylvania USA militari si distinguono per un’impostazione timbrica equilibrata e controllata.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eBassi: \u003c\/b\u003eCompatti e ben articolati, con buon controllo e senso di stabilità.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eMedi: \u003c\/b\u003ePuliti e lineari, con ottima intelligibilità vocale e resa naturale delle voci.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eAlti: \u003c\/b\u003eDefiniti ma non aggressivi, con brillantezza ordinata e mai affaticante.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eDinamica: \u003c\/b\u003eRapida e precisa, adatta a circuiti sensibili.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eSoundstage: \u003c\/b\u003eImmagine stabile e ben centrata, con buona focalizzazione.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eÈ una valvola per chi cerca \u003cspan class=\"s1\"\u003e\u003cb\u003eaffidabilità e neutralità americana\u003c\/b\u003e\u003c\/span\u003e, più che romanticismo marcato.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎧 Uso in Amplificatori Hi-Fi\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIdeale per:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eStadi phono MM \/ MC\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eDAC valvolari\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAmplificatori cuffia con singola 6922\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ePreamplificatori linea\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAmplificatori per chitarra (anche in V1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eLa microfonicità è risultata bassa durante i test, rendendola adatta anche a circuiti sensibili.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎯 Nota per audiofili e tecnici\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eQuesta non è una produzione europea rebrandizzata, ma una vera \u003cspan class=\"s1\"\u003e\u003cb\u003eSYLVANIA USA militare\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eÈ proposta come:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eValvola selezionata\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eClasse VTT: \u003cspan class=\"s1\"\u003e\u003cb\u003eFORTE\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eElettricamente coerente e stabile\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ePronta per utilizzo reale in sistemi hi-fi o strumentali\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eNon è proposta come NOS da collezione, ma come componente affidabile e performante.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eRisultati dei Test\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTestate su \u003cstrong\u003eAMPLITREX AT-1000\u003c\/strong\u003e Tube Tester\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Test:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e Va = 90V ; Vg = -1.2V\u003cstrong\u003e\u003cbr\u003eMedia 100%:\u003c\/strong\u003e Gm = 12.5 ; Ia = 15.0 mA\u003cstrong\u003e\u003cbr\u003eRISULTATO DEL TEST:\u003c\/strong\u003e FORTE\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValvola \u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1\u003c\/strong\u003e: Gm = 9.32 ; Ia = 11.0 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2\u003c\/strong\u003e: Gm = 9.28 ; Ia = 10.0 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\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 hi-fi anche in stadi phono e in amplificatori per chitarra, anche in V1. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBilanciamento: \u003c\/strong\u003eLe sezioni risultano coerenti e ben allineate, rendendo la valvola idonea anche all’impiego come phase inverter in applicazioni hi-fi e strumentali.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQualità dell’Emissione:\u003c\/strong\u003e Eccellente – Emissione 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\u003e Valvole 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\u003cspan\u003e Molto Buone – Scritte ben leggibili con lievi segni del tempo, nessun difetto evidente. Vedi foto per i dettagli.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCodice di Fabbricazione:\u003c\/strong\u003e 62-26 → RMA\/EIA Open Date Code → fabbricata la 26ª settimana del 1962\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\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":56780259688796,"sku":"03434","price":153.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_c8cfbc01-5be3-4a94-bc62-47cbdbcffbba.jpg?v=1771608684","url":"https:\/\/vacuumtubestreasures.com\/it-us\/products\/usn-6922-sylvania-usa-gold-pin-horseshoe-getter-1962-military-grade-amplitrex-tested-forte","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}