{"product_id":"5u4-gb-5as4a-ge-international-gray-plates-side-square-getter-matched-pair-tubes-rectifiers-made-in-usa","title":"5U4GB  5AS4A International by GE NOS NIB Gray Plates Side Square Getter Tube Rectifier Made in USA","description":"\u003cp\u003e\u003cstrong\u003e5U4GB  5AS4A International by GE NOS NIB Gray Plates Side Square Getter Tube Rectifier Made in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNota: Il Prezzo si riferisce a una valvola selezionata\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"882\" data-start=\"329\"\u003eLa \u003cstrong data-end=\"392\" data-start=\"375\"\u003e5U4GB \/ 5AS4A\u003c\/strong\u003e, prodotta negli Stati Uniti da \u003cstrong data-end=\"449\" data-start=\"424\"\u003eGeneral Electric (GE)\u003c\/strong\u003e e distribuita con marchio \u003cem data-end=\"491\" data-start=\"476\"\u003eInternational\u003c\/em\u003e, è proposta in condizioni \u003cstrong data-end=\"555\" data-start=\"516\"\u003eNOS NIB (New Old Stock, New in Box)\u003c\/strong\u003e.\u003cbr data-end=\"559\" data-start=\"556\"\u003eQuesta valvola si presenta con \u003cstrong data-end=\"600\" data-start=\"585\"\u003egray plates\u003c\/strong\u003e e \u003cstrong data-end=\"625\" data-start=\"603\"\u003eside square getter\u003c\/strong\u003e, una configurazione tipica delle produzioni GE degli anni ’70, sinonimo di robustezza e affidabilità.\u003c\/p\u003e\n\u003ch3 data-end=\"931\" data-start=\"884\"\u003eCaratteristiche timbriche e prestazioni\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1001\" data-start=\"934\"\u003e\n\u003cstrong data-end=\"943\" data-start=\"934\"\u003eBassi\u003c\/strong\u003e: profondi e ben controllati, con articolazione precisa.\u003c\/li\u003e\n\u003cli data-end=\"1093\" data-start=\"1004\"\u003e\n\u003cstrong data-end=\"1012\" data-start=\"1004\"\u003eMedi\u003c\/strong\u003e: equilibrati e trasparenti, con voci chiare e strumenti acustici ben definiti.\u003c\/li\u003e\n\u003cli data-end=\"1167\" data-start=\"1096\"\u003e\n\u003cstrong data-end=\"1104\" data-start=\"1096\"\u003eAlti\u003c\/strong\u003e: puliti e fluidi, mai aggressivi, con brillantezza naturale.\u003c\/li\u003e\n\u003cli data-end=\"1249\" data-start=\"1170\"\u003e\n\u003cstrong data-end=\"1182\" data-start=\"1170\"\u003eDinamica\u003c\/strong\u003e: pronta e stabile, con erogazione costante anche a pieno carico.\u003c\/li\u003e\n\u003cli data-end=\"1329\" data-start=\"1252\"\u003e\n\u003cstrong data-end=\"1266\" data-start=\"1252\"\u003eSoundstage\u003c\/strong\u003e: ordinato e coerente, con immagine sonora stabile e precisa.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1594\" data-start=\"1331\"\u003e🎧 Uso in Amplificatori Hi-Fi Stereo\u003c\/h3\u003e\n\u003cp data-end=\"1594\" data-start=\"1331\"\u003ePerfetta per amplificatori valvolari di prestigio (McIntosh, Dynaco, Audio Research e simili), la 5U4GB GE offre un’alimentazione affidabile e lineare, valorizzando l’equilibrio timbrico e la trasparenza del sistema.\u003c\/p\u003e\n\u003ch3 data-end=\"1808\" data-start=\"1596\"\u003e🎸 Uso in Amplificatori Musicali\u003c\/h3\u003e\n\u003cp data-end=\"1808\" data-start=\"1596\"\u003eIn amplificatori per chitarra, assicura headroom stabile e un timbro armonico naturale, con sustain caldo e reattività dinamica, perfetta per blues, jazz e rock vintage.\u003c\/p\u003e\n\u003ch3 data-end=\"2114\" data-start=\"1810\"\u003e🎯 Nota per audiofili e tecnici\u003c\/h3\u003e\n\u003cp data-end=\"2114\" data-start=\"1810\"\u003eQuesta\u003cstrong data-end=\"1924\" data-start=\"1855\"\u003e 5U4GB \/ 5AS4A GE Gray Plates Side Square Getter\u003c\/strong\u003e, in condizioni \u003cstrong data-end=\"1951\" data-start=\"1940\"\u003eNOS NIB\u003c\/strong\u003e, rappresenta una scelta solida e affidabile. Componente ideale per garantire lunga durata e prestazioni di alto livello, sia in hi-fi che in strumenti musicali.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eRisultati dei Test\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eValvole Testate\u003c\/strong\u003e su\u003cstrong\u003e Funke W19 \u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Test:\u003c\/strong\u003e Va = 100V, Vf = 5V\u003cstrong\u003e\u003cbr\u003eBuone da:\u003c\/strong\u003e Ia = 78 mA\u003cstrong\u003e\u003cbr\u003eMedia 100%:\u003c\/strong\u003e Ia = 120 mA\u003cstrong\u003e\u003cbr\u003eRISULTATO DEL TEST: \u003c\/strong\u003eMOLTO FORTE\u003c\/p\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: Ia = 150 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2\u003c\/strong\u003e: Ia = 145 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: Ia = 145 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2\u003c\/strong\u003e: Ia = 145 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\n\u003cstrong\u003eFunzionamento:\u003c\/strong\u003e Valvola stabile, silenziosa in esercizio e idonea a un’alimentazione regolare e controllata. Test eseguito con tester Funke W19.\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 Molto Buone – Scritte ben leggibili con lievi segni del tempo, nessun difetto evidente. 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:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003enon decifrabile – produzione GE USA, identificabile per caratteristiche costruttive. Anni ’70\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\u003c\/p\u003e","brand":"INTERNATIONAL","offers":[{"title":"Default Title","offer_id":55592630026588,"sku":"03172","price":74.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/14_b7502fb5-615d-40e3-b361-6ea277504d4c.jpg?v=1769278155","url":"https:\/\/vacuumtubestreasures.com\/it-hr\/products\/5u4-gb-5as4a-ge-international-gray-plates-side-square-getter-matched-pair-tubes-rectifiers-made-in-usa","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}