{"product_id":"12ax7-ecc83-nos-mullard-blackburn-1959-matched-pair-short-gray-plates-halo-getter-same-data-code-amplitrex-tested","title":"12AX7 \/ ECC83 NOS MULLARD – Blackburn 1959 – Matched Pair – Short Gray Plates – Halo Getter – Same Data Code – AMPLITREX Tested","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003e12AX7 \/ ECC83 NOS MULLARD – Blackburn 1959 – Short Gray Plates – Halo Getter – Matched Pair – Same Data Code I61 B9K – AMPLITREX Tested\u003c\/strong\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\u003ecoppia matched di 12AX7 \/ ECC83 Mullard NOS\u003c\/b\u003e\u003c\/span\u003e, prodotta nello storico stabilimento \u003cspan class=\"s1\"\u003e\u003cb\u003eBlackburn (Great Britain)\u003c\/b\u003e\u003c\/span\u003e nel \u003cspan class=\"s1\"\u003e\u003cb\u003e1959\u003c\/b\u003e\u003c\/span\u003e, rappresenta una delle configurazioni più apprezzate della produzione britannica Mullard.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLe valvole presentano la classica struttura interna:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eShort Gray Plates\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eHalo Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eproduzione Mullard Blackburn\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eidentico data code: I61 B9K\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eIl codice \u003cspan class=\"s1\"\u003e\u003cb\u003eI61\u003c\/b\u003e\u003c\/span\u003e identifica la celebre struttura Mullard per ECC83 con \u003cspan class=\"s1\"\u003e\u003cb\u003eshort plates\u003c\/b\u003e\u003c\/span\u003e, mentre \u003cspan class=\"s1\"\u003e\u003cb\u003eB9K\u003c\/b\u003e\u003c\/span\u003e conferma la produzione \u003cspan class=\"s1\"\u003e\u003cb\u003eBlackburn 1959\u003c\/b\u003e\u003c\/span\u003e, uno dei periodi più ricercati dagli appassionati.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eGli esemplari sono \u003cspan class=\"s1\"\u003e\u003cb\u003eNOS (New Old Stock)\u003c\/b\u003e\u003c\/span\u003e e si presentano in \u003cspan class=\"s1\"\u003e\u003cb\u003econdizioni estetiche da vetrina\u003c\/b\u003e\u003c\/span\u003e, con serigrafie e costruzione interna perfettamente conservate.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEntrambe le valvole sono state \u003cspan class=\"s1\"\u003e\u003cb\u003eaccuratamente testate nel nostro laboratorio con AMPLITREX AT-1000\u003c\/b\u003e\u003c\/span\u003e, verificando emissione, stabilità e comportamento operativo. Sono inoltre risultate \u003cspan class=\"s1\"\u003e\u003cb\u003eLow Noise \u0026amp; Microphonics\u003c\/b\u003e\u003c\/span\u003e, qualità che le rende \u003cspan class=\"s1\"\u003e\u003cb\u003eadatte anche per la posizione V1\u003c\/b\u003e\u003c\/span\u003e nei circuiti più sensibili.\u003c\/p\u003e\n\u003ch3 class=\"p3\"\u003e\u003cstrong\u003eCaratteristiche Sonore\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eLe \u003cspan class=\"s1\"\u003e\u003cb\u003eMullard Blackburn ECC83\u003c\/b\u003e\u003c\/span\u003e sono celebri per la loro musicalità naturale e per il carattere caldo ed estremamente coinvolgente che ha reso queste valvole una delle scelte preferite da audiofili e musicisti.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eBassi: \u003c\/b\u003eProfondi e ben controllati. La gamma bassa è piena e autorevole, con un eccellente equilibrio tra corpo e precisione.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eMedi: \u003c\/b\u003eIl punto di forza della tradizione Mullard. Le voci risultano ricche, tridimensionali e molto naturali, mentre strumenti acustici e armonici emergono con grande presenza.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eAlti: \u003c\/b\u003eDolci e raffinati. L’estremo alto è ben esteso ma sempre elegante, con una tessitura fine che favorisce un ascolto lungo e rilassato.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eDinamica: \u003c\/b\u003eMolto fluida. Le variazioni dinamiche vengono riprodotte con naturalezza e continuità, mantenendo sempre grande musicalità.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eSoundstage: \u003c\/b\u003eScena sonora ampia e stabile, con una bella profondità e una separazione degli strumenti molto credibile.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan class=\"s2\"\u003e🎧 \u003c\/span\u003eUso in Amplificatori Hi-Fi\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eLe \u003cspan class=\"s1\"\u003e\u003cb\u003eECC83 Mullard Blackburn\u003c\/b\u003e\u003c\/span\u003e sono tra le valvole più ricercate per:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003epreamplificatori valvolari\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003estadi phono\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003edriver di amplificatori hi-fi\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eapparecchiature audio vintage di alto livello\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003eGrazie al \u003c\/span\u003e\u003cb\u003ebasso rumore e alla ridotta microfonicità\u003c\/b\u003e\u003cspan class=\"s3\"\u003e, questa coppia è perfettamente adatta anche alle \u003c\/span\u003e\u003cb\u003eposizioni più critiche del circuito\u003c\/b\u003e\u003cspan class=\"s3\"\u003e, inclusa \u003c\/span\u003e\u003cb\u003eV1\u003c\/b\u003e\u003cspan class=\"s3\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"p3\"\u003e\u003cstrong\u003e\u003cspan class=\"s2\"\u003e🎸 \u003c\/span\u003eUso in Applicazioni Musicali\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eNel mondo degli amplificatori per strumenti musicali, le \u003cspan class=\"s1\"\u003e\u003cb\u003eMullard ECC83 anni ’50\u003c\/b\u003e\u003c\/span\u003e sono considerate un riferimento.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOffrono:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003emedi ricchi e musicali\u003c\/li\u003e\n\u003cli class=\"p1\"\u003erisposta dinamica molto espressiva\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eottima definizione del timbro\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eCaratteristiche che contribuiscono a un suono caldo, articolato e molto musicale.\u003c\/p\u003e\n\u003ch3 class=\"p3\"\u003e\u003cstrong\u003e\u003cspan class=\"s2\"\u003e🎯 \u003c\/span\u003eNota per audiofili e tecnici\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eMullard – Blackburn (Great Britain)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eAnno di produzione: 1959\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eStruttura I61 – Short Gray Plates\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eHalo Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eData Code identico: I61 B9K\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eMatched Pair\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eNOS – condizioni estetiche da vetrina\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eLow Noise \u0026amp; Microphonics – adatte anche per V1\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eAMPLITREX AT-1000 Tested\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eUna \u003cspan class=\"s2\"\u003e\u003cb\u003eautentica coppia Mullard Blackburn del 1959\u003c\/b\u003e\u003c\/span\u003e, con \u003cspan class=\"s2\"\u003e\u003cb\u003eidentico codice di produzione\u003c\/b\u003e\u003c\/span\u003e, costruita in uno degli stabilimenti più iconici della storia delle valvole termoioniche. Una combinazione di \u003cspan class=\"s2\"\u003e\u003cb\u003equalità costruttiva, musicalità e fascino storico\u003c\/b\u003e\u003c\/span\u003e che continua a rendere queste ECC83 tra le più ricercate dagli appassionati di audio vintage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValvola testata su \u003cstrong\u003eAMPLITREX AT-1000 \u003c\/strong\u003eTube Tester:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni di Test:\u003c\/strong\u003e\u003cspan\u003e Va = 250V ; Vg = -2V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia 100%:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1600 ; Ia = 1.2 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisultato del Test:\u003c\/strong\u003e FORTE\u003c\/li\u003e\n\u003c\/ul\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\u003cspan\u003e Gm = 1500 ; Ia = 0.9 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e Gm = 1800 ; Ia = 1.2 mA\u003c\/span\u003e\n\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\u003cspan\u003e Gm = 1500 ; Ia = 0.9 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e Gm = 1800 ; Ia = 1.4 mA\u003c\/span\u003e\n\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 Bassa. 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\u003eNoise:\u003c\/strong\u003e Basso e ben controllato. Funzionamento silenzioso in ambito hi-fi e negli amplificatori musicali nelle posizioni previste.\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 - New Old Stock - Testata e funzionante - 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 Eccellenti – Scritte ottimamente conservate, minimi segni del tempo. Vedi foto per i dettagli.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCodice di Fabbricazione: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eI61 B9K→ I6x indica un ECC83 con la progressione sequenziale di x, ove l'incremento di x indica le modifiche di produzione - \u003cmeta charset=\"utf-8\"\u003eB9K B → Mullard, Blackburn - 8 (su tre cifre ) → 1959 - K → Novembre\u003cbr\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":"MULLARD","offers":[{"title":"Default Title","offer_id":56991203754332,"sku":"03466","price":349.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_b0a47e08-359c-45fd-9265-45d8e07d7cc3.jpg?v=1773395386","url":"https:\/\/vacuumtubestreasures.com\/it-lt\/products\/12ax7-ecc83-nos-mullard-blackburn-1959-matched-pair-short-gray-plates-halo-getter-same-data-code-amplitrex-tested","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}