{"product_id":"6sl7gt-amperex-globe-matched-pair-black-plates-square-getter-tubes-usa-60s","title":"6SL7GT AMPEREX GLOBE AMPLITREX Tested Pair Black Plates Square Getter Tubes USA 60s","description":"\u003cp\u003e\u003cstrong\u003e6SL7GT AMPEREX GLOBE AMPLITREX Tested Pair Black Plates Square Getter Tubes USA 60s\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"784\" data-start=\"0\"\u003e\u003cstrong data-end=\"27\" data-start=\"3\"\u003eDescrizione\u003c\/strong\u003e\u003cbr data-end=\"30\" data-start=\"27\"\u003e\u003cmeta charset=\"utf-8\"\u003eQuesta \u003cstrong data-start=\"37\" data-end=\"71\"\u003ecoppia di 6SL7GT AMPEREX GLOBE\u003c\/strong\u003e, produzione \u003cstrong data-start=\"84\" data-end=\"100\"\u003eUSA anni ’60\u003c\/strong\u003e, è una versione di grande interesse storico e sonoro, \u003cstrong data-start=\"155\" data-end=\"196\"\u003erealizzata da RCA per Amperex Company\u003c\/strong\u003e. Gli esemplari presentano \u003cstrong data-start=\"223\" data-end=\"239\"\u003eblack plates\u003c\/strong\u003e, \u003cstrong data-start=\"241\" data-end=\"258\"\u003esquare getter\u003c\/strong\u003e e il caratteristico \u003cstrong data-start=\"279\" data-end=\"295\"\u003esmoked glass\u003c\/strong\u003e, elementi tipici delle migliori produzioni RCA dell’epoca destinate a marchi di primo piano come Amperex.\u003cbr data-start=\"401\" data-end=\"404\"\u003eLe valvole sono state \u003cstrong data-start=\"426\" data-end=\"459\"\u003etestate con Amplitrex AT-1000\u003c\/strong\u003e e risultano entrambe in condizioni \u003cstrong data-start=\"495\" data-end=\"515\" data-is-only-node=\"\"\u003eTEST VERY STRONG\u003c\/strong\u003e, con emissione elevata, funzionamento stabile e assenza di corto o gas.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"999\" data-start=\"786\"\u003e\u003cstrong data-end=\"814\" data-start=\"788\"\u003eCaratteristiche Sonore\u003c\/strong\u003e\u003cbr data-end=\"817\" data-start=\"814\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"730\" data-end=\"926\"\u003eLe 6SL7 RCA black plates con smoked glass sono apprezzate per una timbrica ricca, autorevole e molto musicale, con un carattere classico americano ben riconoscibile.\u003c\/p\u003e\n\u003cp data-start=\"928\" data-end=\"1065\"\u003e\u003cstrong data-start=\"928\" data-end=\"937\"\u003eBassi\u003c\/strong\u003e\u003cbr data-start=\"937\" data-end=\"940\"\u003ePieni, solidi e ben controllati. La gamma bassa ha corpo e profondità, mantenendo sempre una buona articolazione e stabilità.\u003c\/p\u003e\n\u003cp data-start=\"1067\" data-end=\"1288\"\u003e\u003cstrong data-start=\"1067\" data-end=\"1075\"\u003eMedi\u003c\/strong\u003e\u003cbr data-start=\"1075\" data-end=\"1078\"\u003eCaldi, densi e molto espressivi. Le voci risultano naturali e presenti, con una resa particolarmente convincente su jazz, blues e musica vocale.\u003cbr data-start=\"1222\" data-end=\"1225\"\u003eIl medio è uno dei punti di forza di questa configurazione RCA.\u003c\/p\u003e\n\u003cp data-start=\"1290\" data-end=\"1461\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1298\"\u003eAlti\u003c\/strong\u003e\u003cbr data-start=\"1298\" data-end=\"1301\"\u003eMorbidi, fluidi e mai aggressivi. Lo smoked glass contribuisce a una presentazione elegante e leggermente setosa, con un alto ben integrato e privo di asprezze.\u003c\/p\u003e\n\u003cp data-start=\"1463\" data-end=\"1630\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1475\"\u003eDinamica\u003c\/strong\u003e\u003cbr data-start=\"1475\" data-end=\"1478\"\u003eRobusta e progressiva. La risposta è energica ma controllata, con un comportamento molto musicale e coerente con lo stato \u003cstrong data-start=\"1600\" data-end=\"1615\"\u003eVERY STRONG\u003c\/strong\u003e delle valvole.\u003c\/p\u003e\n\u003cp data-start=\"1632\" data-end=\"1817\"\u003e\u003cstrong data-start=\"1632\" data-end=\"1646\"\u003eSoundstage\u003c\/strong\u003e\u003cbr data-start=\"1646\" data-end=\"1649\"\u003eAmpio e tridimensionale, con buona profondità e separazione delle linee musicali. L’immagine sonora è stabile e naturale, tipica delle migliori 6SL7 americane anni ’60.\u003c\/p\u003e\n\u003cp data-start=\"1819\" data-end=\"1875\"\u003e🎧 \u003cstrong data-start=\"1822\" data-end=\"1859\"\u003eUso in Amplificatori Hi-Fi Stereo\u003c\/strong\u003e\u003cbr data-start=\"1859\" data-end=\"1862\"\u003eAdatte per:\u003c\/p\u003e\n\u003cul data-start=\"1876\" data-end=\"2007\"\u003e\n\u003cli data-start=\"1876\" data-end=\"1907\"\u003e\n\u003cp data-start=\"1878\" data-end=\"1907\"\u003epreamplificatori valvolari,\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1908\" data-end=\"1939\"\u003e\n\u003cp data-start=\"1910\" data-end=\"1939\"\u003estadi di ingresso e driver,\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1940\" data-end=\"2007\"\u003e\n\u003cp data-start=\"1942\" data-end=\"2007\"\u003eamplificatori vintage americani ed europei che utilizzano 6SL7.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2009\" data-end=\"2175\"\u003eLa timbrica calda e autorevole le rende ideali per jazz, vocale, classica e ascolti prolungati, purché non sia richiesto un perfetto bilanciamento tra le due valvole.\u003c\/p\u003e\n\u003cp data-start=\"2177\" data-end=\"2229\"\u003e🎸 \u003cstrong data-start=\"2180\" data-end=\"2213\"\u003eUso in Amplificatori Musicali\u003c\/strong\u003e\u003cbr data-start=\"2213\" data-end=\"2216\"\u003eOttime per:\u003c\/p\u003e\n\u003cul data-start=\"2230\" data-end=\"2378\"\u003e\n\u003cli data-start=\"2230\" data-end=\"2278\"\u003e\n\u003cp data-start=\"2232\" data-end=\"2278\"\u003eamplificatori per chitarra e basso con 6SL7,\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2279\" data-end=\"2311\"\u003e\n\u003cp data-start=\"2281\" data-end=\"2311\"\u003ecircuiti vintage e boutique,\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2312\" data-end=\"2378\"\u003e\n\u003cp data-start=\"2314\" data-end=\"2378\"\u003eposizioni dove si ricerca carattere, corpo e armoniche ricche.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2380\" data-end=\"2507\"\u003eMicrofonicità: Standard. Consigliata per l’impiego in V2, V3, V4, come driver o in stadi meno critici. Non raccomandata in V1.\u003c\/p\u003e\n\u003cp data-start=\"2509\" data-end=\"2611\"\u003e🎯 \u003cstrong data-start=\"2512\" data-end=\"2544\"\u003eNota per audiofili e tecnici\u003c\/strong\u003e\u003cbr data-start=\"2544\" data-end=\"2547\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"2810\" data-end=\"3063\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eUna scelta di pregio per appassionati, restauratori e musicisti che cercano l’autentica timbrica RCA anni ’60, con il fascino del marchio Amperex Globe.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp data-start=\"3046\" data-end=\"3436\"\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eValvole testate su \u003cstrong\u003eAmplitrex AT-1000 Tube tester\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni di Test:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eVa = 250V, Vg = -2V\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMedia 100% Gm = 1600 ; Ia = 2.3 mA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSezione 1: Gm = 1700 ; Ia = 2.3 mA\u003c\/li\u003e\n\u003cli\u003eSezione 2: Gm = \u003cmeta charset=\"utf-8\"\u003e1700 ; Ia = 2.5 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\u003eSezione 1: Gm = 1400 ; Ia = 2.0 mA\u003c\/li\u003e\n\u003cli\u003eSezione 2: Gm = \u003cmeta charset=\"utf-8\"\u003e1500 ; Ia = 2.1 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 Standard. Testate e conformi per l'uso in hi-fi e amplificatori per chitarra. Consigliata per l’impiego in V2, V3, V4, come driver o in stadi meno critici. Non raccomandata in V1.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBilanciamento:\u003c\/strong\u003e Le due sezioni mostrano valori coerenti e ben allineati, rendendo la valvola ideale anche 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 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 Valvole Vintage - Testate e perfettamente funzionanti - 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\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCodice di Fabbricazione:\u003c\/strong\u003e assente – produzione RCA USA per AMPEREX, identificabile per caratteristiche costruttive. Anni ’60\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":"AMPEREX","offers":[{"title":"Default Title","offer_id":56240411967836,"sku":"03314","price":84.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_c6c86e30-ec14-41a2-8d5b-f4f671b1361b.jpg?v=1765823387","url":"https:\/\/vacuumtubestreasures.com\/it-hr\/products\/6sl7gt-amperex-globe-matched-pair-black-plates-square-getter-tubes-usa-60s","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}