{"product_id":"6sn7gtb-nos-nib-sylvertone-by-sylvania-chrome-top-tested-tube-black-plates-usa","title":"6SN7GTB NOS NIB Silvertone by SYLVANIA CHROME TOP Tested Tube Black Plates USA","description":"\u003ch3 class=\"p1\"\u003e\u003cb\u003e6SN7GTB Silvertone by SYLVANIA – NOS NIB – Chrome Top – Black Plates – Made in USA\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eAMPLITREX Tested – VERY STRONG – Balanced Sections – Low Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3 class=\"p1\"\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eValvola singola \u003cspan class=\"s1\"\u003e\u003cb\u003e6SN7GTB Silvertone by Sylvania\u003c\/b\u003e\u003c\/span\u003e, produzione \u003cspan class=\"s1\"\u003e\u003cb\u003eMade in USA\u003c\/b\u003e\u003c\/span\u003e, in condizioni \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS NIB – New Old Stock, New In Box\u003c\/b\u003e\u003c\/span\u003e, selezionata per applicazioni hi-fi e musicali compatibili che richiedono stabilità, bassa rumorosità e autentico carattere sonoro Sylvania vintage.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLa costruzione presenta \u003cspan class=\"s1\"\u003e\u003cb\u003eblack plates\u003c\/b\u003e\u003c\/span\u003e, struttura interna robusta e classico \u003cspan class=\"s1\"\u003e\u003cb\u003eChrome Top\u003c\/b\u003e\u003c\/span\u003e, elemento distintivo della produzione Sylvania americana dell’epoca. Il marchio \u003cspan class=\"s1\"\u003e\u003cb\u003eSilvertone\u003c\/b\u003e\u003c\/span\u003e identifica una fornitura realizzata da Sylvania per Sears\/Silvertone, mantenendo la qualità costruttiva tipica della produzione americana originale.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLa valvola è fornita nella sua \u003cspan class=\"s1\"\u003e\u003cb\u003escatola originale\u003c\/b\u003e\u003c\/span\u003e, con condizioni estetiche come da foto. Vedere immagini per tutti i dettagli.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eÈ stata testata su \u003cspan class=\"s1\"\u003e\u003cb\u003eAmplitrex AT-1000 Tube Tester\u003c\/b\u003e\u003c\/span\u003e con risultato \u003cspan class=\"s1\"\u003e\u003cb\u003eVERY STRONG \/ MOLTO FORTE\u003c\/b\u003e\u003c\/span\u003e, mostrando sezioni perfettamente bilanciate in transconduttanza e corrente anodica molto coerente. È stata inoltre selezionata come \u003cspan class=\"s1\"\u003e\u003cb\u003eLow Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/span\u003e, quindi adatta anche ad applicazioni audio sensibili e amplificatori per strumenti compatibili.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDal punto di vista sonoro offre una resa piena, stabile e musicalmente equilibrata, con bassi controllati, medi naturali, alti puliti e una scena ordinata. Il carattere è quello tipico della produzione americana Sylvania vintage: solido, fluido, definito e molto affidabile.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIndicata per preamplificatori, driver stage, phase splitter, amplificatori integrati, circuiti hi-fi e amplificatori per strumenti compatibili con \u003cspan class=\"s1\"\u003e\u003cb\u003e6SN7 \/ 6SN7GTB\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eUna \u003cspan class=\"s1\"\u003e\u003cb\u003e6SN7GTB Silvertone by Sylvania NOS NIB\u003c\/b\u003e\u003c\/span\u003e realmente testata da Vacuum Tubes Treasures, ideale per chi cerca una valvola americana vintage forte, silenziosa, bilanciata e conservata nella sua scatola originale.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp data-end=\"3436\" data-start=\"3046\"\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eValvole testate su \u003cstrong\u003eAmplitrex AT-1000\u003c\/strong\u003e Tube tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni di Test:\u003c\/strong\u003e Va = 250V, Vg = -8V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia 100%\u003c\/strong\u003e \u003cstrong\u003eGm = 2600 ; Ia = 9.0 mA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSezione 1: Gm = 2600 ; Ia = 9.2 mA\u003c\/li\u003e\n\u003cli\u003eSezione 2: Gm = 2600 ; Ia = 8.4 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\u003eBassa. Testate e conformi per l'uso in hi-fi anche in stadi phono e in amplificatori per chitarra. Adatte anche in V1.\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\u003e NOS - NIB - New Old Stock, New In Box - Testata e funzionante - Fornite in scatola Originale.\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 Eccellenti – Scritte ottimamente conservate, minimi segni del tempo. Vedi foto per i dettagli.\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eCodice di Fabbricazione:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003enon decifrabile, identificabile per caratteristiche costruttive. Fine anni ’50 primi '60\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Perché le nostre valvole sono diverse – il protocollo VTT che migliora suono, affidabilità e durata\" href=\"https:\/\/vacuumtubestreasures.com\/blogs\/notizie\/perche-le-nostre-valvole-sono-diverse\" target=\"_blank\"\u003e\u003cstrong\u003eScopra perché le nostre valvole sono diverse →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SILVERTONE","offers":[{"title":"Default Title","offer_id":58165508014428,"sku":"03698","price":69.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_5092bee8-b0c5-4b77-881b-d6ee28e3ebe1.jpg?v=1782835612","url":"https:\/\/vacuumtubestreasures.com\/it-bg\/products\/6sn7gtb-nos-nib-sylvertone-by-sylvania-chrome-top-tested-tube-black-plates-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}