{"product_id":"5v3a-5au4-rca-nos-nib-black-plates-round-getter-rectifier-tube-amplitrex-tested-made-in-usa-1","title":"5V3A 5AU4 RCA NOS NIB Black Plates Round Getter Rectifier Tube - Amplitrex Tested - Made in USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e5V3A 5AU4 RCA NOS NIB Black Plates Round Getter Rectifier Tube - Amplitrex Tested - Made in USA\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"642\" data-start=\"169\"\u003e\u003cmeta charset=\"utf-8\"\u003eLa \u003cstrong data-start=\"191\" data-end=\"210\"\u003eRCA 5V3A \/ 5AU4\u003c\/strong\u003e, prodotta negli Stati Uniti, è una rettificatrice a doppia semionda sviluppata per garantire \u003cstrong data-start=\"304\" data-end=\"347\"\u003erobustezza e stabilità di alimentazione\u003c\/strong\u003e in amplificatori hi-fi, apparecchiature broadcast e sistemi professionali.\u003cbr data-start=\"422\" data-end=\"425\"\u003eQuesto esemplare è \u003cstrong data-start=\"444\" data-end=\"484\"\u003eNOS NIB (New Old Stock – New in Box)\u003c\/strong\u003e e presenta \u003cstrong data-start=\"496\" data-end=\"512\"\u003eplacche nere\u003c\/strong\u003e con \u003cstrong data-start=\"517\" data-end=\"533\"\u003eround getter\u003c\/strong\u003e, configurazione tipica delle produzioni RCA di fascia alta.\u003cbr data-start=\"593\" data-end=\"596\"\u003eÈ stata accuratamente \u003cstrong data-start=\"618\" data-end=\"651\"\u003etestata con Amplitrex AT-1000\u003c\/strong\u003e, assicurando emissione forte, assenza di corti e piena efficienza operativa.\u003c\/p\u003e\n\u003ch3 data-end=\"1010\" data-start=\"956\"\u003eCaratteristiche timbriche e comportamento sonoro\u003c\/h3\u003e\n\u003cp data-start=\"794\" data-end=\"907\"\u003e\u003cstrong data-start=\"794\" data-end=\"804\"\u003eBassi:\u003c\/strong\u003e pieni e controllati, con una base solida che dà autorevolezza al suono, senza gonfiori indesiderati.\u003c\/p\u003e\n\u003cp data-start=\"910\" data-end=\"1017\"\u003e\u003cstrong data-start=\"910\" data-end=\"919\"\u003eMedi:\u003c\/strong\u003e trasparenti e naturali, con voci ben definite e strumenti acustici resi con ricchezza armonica.\u003c\/p\u003e\n\u003cp data-start=\"1020\" data-end=\"1130\"\u003e\u003cstrong data-start=\"1020\" data-end=\"1029\"\u003eAlti:\u003c\/strong\u003e fluidi e ariosi, privi di asprezze, con estensione chiara che dona brillantezza alla scena sonora.\u003c\/p\u003e\n\u003cp data-start=\"1133\" data-end=\"1255\"\u003e\u003cstrong data-start=\"1133\" data-end=\"1146\"\u003eDinamica:\u003c\/strong\u003e rapida e coerente, capace di restituire tanto i microdettagli quanto i picchi più complessi con stabilità.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1370\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1273\"\u003eSoundstage:\u003c\/strong\u003e ampio, stabile e tridimensionale, con separazione strumentale ben definita e fondo silenzioso.\u003c\/p\u003e\n\u003ch3 data-end=\"2004\" data-start=\"1971\"\u003e🎧 Uso in amplificatori Hi-Fi\u003c\/h3\u003e\n\u003cp data-end=\"2283\" data-start=\"2006\"\u003e\u003cmeta charset=\"utf-8\"\u003eIdeale per amplificatori stereo di fascia alta e preamplificatori vintage, dove la stabilità della rettifica contribuisce a un suono più dinamico, dettagliato e privo di rumore.\u003c\/p\u003e\n\u003ch3 data-end=\"2340\" data-start=\"2290\"\u003e🎸 Uso in amplificatori per strumenti musicali\u003c\/h3\u003e\n\u003cp data-end=\"2639\" data-start=\"2342\"\u003e\u003cmeta charset=\"utf-8\"\u003ePerfetta per amplificatori per strumenti musicali e organi vintage, dove garantisce corrente stabile, maggiore headroom e una resa sonora pulita e focalizzata.\u003c\/p\u003e\n\u003ch3 data-end=\"2681\" data-start=\"2646\"\u003e🎯 Nota per audiofili e tecnici\u003c\/h3\u003e\n\u003cp data-end=\"3065\" data-start=\"2683\"\u003e\u003cmeta charset=\"utf-8\"\u003eLa \u003cstrong data-end=\"1892\" data-start=\"1843\"\u003eRCA 5V3A \/ 5AU4 Black Plates con round getter\u003c\/strong\u003e è una rettificatrice molto apprezzata per la sua capacità di coniugare \u003cstrong data-end=\"2015\" data-start=\"1964\"\u003eaffidabilità elettrica e resa musicale elegante\u003c\/strong\u003e.\u003cbr data-end=\"2019\" data-start=\"2016\"\u003eL’esemplare proposto è \u003cstrong data-end=\"2072\" data-start=\"2042\"\u003eNOS NIB e Amplitrex Tested\u003c\/strong\u003e, a garanzia di piena funzionalità, uniformità e lunga durata.\u003cbr data-end=\"2137\" data-start=\"2134\"\u003eUn’opzione eccellente sia per \u003cstrong data-end=\"2190\" data-start=\"2167\"\u003erestauri filologici\u003c\/strong\u003e che per \u003cstrong data-end=\"2233\" data-start=\"2199\"\u003eimpianti hi-fi di alto livello\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValvole testate su\u003cstrong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cstrong data-end=\"2072\" data-start=\"2042\"\u003eAmplitrex AT-1000\u003c\/strong\u003e \u003c\/span\u003e\u003c\/strong\u003eTube tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1728\" data-start=\"1691\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003cstrong\u003eCondizioni di Test:\u003c\/strong\u003e Va = 278V, Vf = 5V\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1786\" data-start=\"1731\"\u003eCaduta diretta: \u003cstrong data-end=\"1784\" data-start=\"1747\"\u003e23–23 V peak (sezioni bilanciate)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1834\" data-start=\"1789\"\u003eTenuta inversa: \u003cstrong data-end=\"1832\" data-start=\"1805\"\u003e396–396 V peak (ottima)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1894\" data-start=\"1837\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eRisultato del Test: \u003c\/strong\u003eMOLTO FORTE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCorrente di placca:\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValvola :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eSezione 1:\u003c\/strong\u003e \u003c\/span\u003e\u003cspan\u003eIa = 120 mA    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eSezione 2:\u003c\/strong\u003e \u003c\/span\u003e\u003cspan\u003eIa = 120 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCorrente di placca:\u003c\/span\u003e \u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTest Addizionali\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrofonicità: \u003c\/strong\u003eStandard. Testate e conformi per l'uso in hi-fi e amplificatori per chitarra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQualità dell’Emissione:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eEccellente – Emissione molto forte e stabile, senza fluttuazioni.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCortocircuiti e GAS: \u003c\/strong\u003eAssenti.\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:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eNOS - 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\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCodice di Fabbricazione:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eBP - Fabbricata nel mese di Luglio del 1967\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":"RCA","offers":[{"title":"Default Title","offer_id":55334752092508,"sku":"03073U","price":176.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_cc92bdb4-2f6b-4bfa-973e-94f1c177fa1f.jpg?v=1756283817","url":"https:\/\/vacuumtubestreasures.com\/it-cn\/products\/5v3a-5au4-rca-nos-nib-black-plates-round-getter-rectifier-tube-amplitrex-tested-made-in-usa-1","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}