{"product_id":"12ax7-ecc83-nos-amperex-bugle-boy-amplitrex-tested-long-plates-foil-getter-58","title":"12AX7 \/ ECC83 NOS Amperex Bugle Boy AMPLITREX Tested Long Plates Foil Getter '58","description":"\u003cp\u003e\u003cstrong\u003e12AX7 \/ ECC83 NOS Amperex Bugle Boy Long Plates – Foil Getter – Heerlen 1958 – Amplitrex Tested\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003e\u003cmeta charset=\"utf-8\"\u003eQuesta \u003cstrong data-end=\"430\" data-start=\"391\"\u003eNOS Amperex Bugle Boy 12AX7 \/ ECC83\u003c\/strong\u003e, produzione \u003cstrong data-end=\"468\" data-start=\"443\"\u003eHeerlen (Olanda) 1958\u003c\/strong\u003e, appartiene alla fase storica delle prime \u003cstrong data-end=\"538\" data-start=\"511\"\u003eLong Plates Foil Getter\u003c\/strong\u003e, una delle configurazioni oggi più ricercate dagli appassionati per musicalità, raffinatezza timbrica e costruzione interna estremamente curata.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIl codice di fabbricazione è autentico e coerente con la produzione Heerlen:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong data-end=\"965\" data-start=\"958\"\u003eΔ8I\u003c\/strong\u003e \u003c\/span\u003e→ 1958\u003c\/li\u003e\n\u003cli class=\"p1\"\u003efabbrica identificata dal simbolo\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eΔ (Heerlen, Holland)\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eUna valvola proveniente dalla “golden era” Heerlen, con struttura interna long plate foil getter tipica della prima produzione europea.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eL’esemplare è in \u003cspan class=\"s2\"\u003e\u003cb\u003econdizioni molto buone\u003c\/b\u003e\u003c\/span\u003e, testato nel nostro laboratorio con\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003eAmplitrex AT-1000\u003c\/b\u003e\u003c\/span\u003e, con risultato\u003cspan class=\"s2\"\u003e\u003cb\u003e\u003cspan\u003e VERY \u003c\/span\u003eSTRONG\u003c\/b\u003e\u003c\/span\u003e, sezioni stabili e perfettamente idonee anche per posizioni sensibili del circuito.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCaratteristiche Sonore\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eLe Long Plates Heerlen di fine anni ’50 sono apprezzate per una resa ampia, naturale e ariosa, con grande coerenza armonica.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBassi:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eProfondi, compatti e ben articolati. Ottimo controllo senza enfasi artificiale.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMedi:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eLuminosi e trasparenti, con eccellente resa vocale. Le armoniche risultano ricche ma sempre equilibrate, con naturalezza tipica della scuola Heerlen.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAlti:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eSetosi e ben estesi. Il foil getter contribuisce a un’estensione superiore, con micro-dettaglio raffinato e mai aggressivo.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDinamica:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eReattiva e fluida. Ottima risposta ai transienti e comportamento stabile anche su passaggi complessi.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSoundstage:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eAmpio e ben stratificato. Separazione naturale degli strumenti e scena sonora credibile e tridimensionale.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎧 Uso in Amplificatori Hi-Fi Stereo\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eIdeali per:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003epreamplificatori high-end,\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eline stage valvolari,\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eamplificazioni vintage europee e americane,\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eDAC con stadio valvolare.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eParticolarmente indicate per jazz, vocale, musica acustica e repertorio classico.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e🎸 Uso in Amplificatori Musicali\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eEccellenti per amplificatori per chitarra vintage e boutique:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003ebreak-up progressivo e musicale,\u003c\/li\u003e\n\u003cli class=\"p1\"\u003earmoniche ricche,\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eclean brillante e naturale,\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ecrunch controllato e caldo.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003ePerfettamente idonee anche in posizione V1 grazie a\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003eLow Noise \u0026amp; Low Microphonics\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎯 Nota per Audiofili e Collezionisti\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eproduzione Heerlen 1958\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eLong Plates Foil Getter di prima generazione\u003c\/li\u003e\n\u003cli class=\"p1\"\u003etest professionale Amplitrex\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eemissione MOLTO FORTE\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eUna valvola di grande valore storico e musicale, pensata per chi desidera la vera firma sonora Amperex di fine anni ’50, nel pieno standard qualitativo Vacuum Tubes Treasures.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eValvola testata su\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMPLITREX AT-1000\u003cspan\u003e \u003c\/span\u003e\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\u003cspan\u003e \u003c\/span\u003eMOLTO FORTE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1700 ; Ia = 1.1 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1700 ; Ia = 1.1 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 Molto Bassa. Testate e conformi per l'uso in hi-fi e amplificatori per chitarra. Conformi per l'uso in V1.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBilanciamento:\u003c\/strong\u003e Le sezioni risultano coerenti e ben allineate, rendendo la valvola idonea anche all’impiego 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\u003cspan\u003e NOS - New Old Stock - Testata e funzionante - Fornite in nostra scatola personalizzata per una protezione ottimale.\u003c\/span\u003e\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 \u003c\/span\u003eBuone – Scritte parzialmente erose, ma ancora leggibili. Corpo della valvola in buone condizioni. 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??? \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eΔ8I \u003c\/span\u003e- \u003cmeta charset=\"utf-8\"\u003eΔ → Heerlen (Olanda), 8 (su tre cifre ) → 1958 - I → Settembre \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\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":"AMPEREX","offers":[{"title":"Default Title","offer_id":57300832158044,"sku":"03513","price":289.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_7fa5dea9-753e-4f44-9ad3-9e040fc8bce1.jpg?v=1775654499","url":"https:\/\/vacuumtubestreasures.com\/it-de\/products\/12ax7-ecc83-nos-amperex-bugle-boy-amplitrex-tested-long-plates-foil-getter-58","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}