{"product_id":"12ax7-ecc83-nos-amperex-bugle-boy-matched-pair-amplitrex-tested-long-plates-foil-getter-50s-1","title":"12AX7 \/ ECC83 NOS Amperex Bugle Boy Matched Pair AMPLITREX Tested Long Plates Foil Getter '59","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e12AX7 \/ ECC83 NOS Amperex Bugle Boy – Matched Pair – Long Plates – Foil Getter – Made in Holland ’59 – Amplitrex Tested\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"347\" data-end=\"685\"\u003eQuesta coppia \u003cstrong data-start=\"391\" data-end=\"430\"\u003eNOS Amperex Bugle Boy 12AX7 \/ ECC83\u003c\/strong\u003e, produzione \u003cstrong data-start=\"443\" data-end=\"468\"\u003eHeerlen (Olanda) 1959\u003c\/strong\u003e, appartiene alla fase storica delle prime \u003cstrong data-start=\"511\" data-end=\"538\"\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 data-start=\"687\" data-end=\"763\"\u003eI codici di fabbricazione Heerlen sono autentici e perfettamente coerenti:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eΔ9B\u003c\/b\u003e\u003c\/span\u003e → 1959\u003c\/li\u003e\n\u003cli class=\"p1\"\u003efabbrica identificata dal simbolo \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 coppia proveniente da anni consecutivi della “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\u003econdizione NOS autentica\u003c\/b\u003e\u003c\/span\u003e, testato nel nostro laboratorio con \u003cspan class=\"s2\"\u003e\u003cb\u003eAmplitrex AT-1000\u003c\/b\u003e\u003c\/span\u003e, con risultato \u003cspan class=\"s2\"\u003e\u003cb\u003eMOLTO FORTE\u003c\/b\u003e\u003c\/span\u003e, sezioni stabili e perfettamente idonee anche per posizioni sensibili del circuito.\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1253\" data-end=\"1279\"\u003eCaratteristiche Sonore\u003c\/strong\u003e\u003cbr data-start=\"1279\" data-end=\"1282\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1484\"\u003eLe \u003cstrong data-start=\"1285\" data-end=\"1312\"\u003eLong Plates Heerlen ’59\u003c\/strong\u003e sono celebri per la loro musicalità tridimensionale, ariosa e ricca di sfumature. Offrono una presentazione più piena e naturale rispetto alle short plates degli anni ’60.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1486\" data-end=\"1652\"\u003e\n\u003cstrong data-start=\"1486\" data-end=\"1495\"\u003eBassi: \u003c\/strong\u003eProfondi, morbidi e articolati. La gamma bassa presenta corpo e definizione senza mai risultare gonfia. Ottimo controllo anche nei passaggi più complessi.\u003c\/li\u003e\n\u003cli data-start=\"1654\" data-end=\"1872\"\u003e\n\u003cstrong data-start=\"1654\" data-end=\"1662\"\u003eMedi: \u003c\/strong\u003eIl cuore della filosofia Amperex: medi \u003cstrong data-start=\"1704\" data-end=\"1751\"\u003eluminosi, trasparenti e ricchi di armoniche\u003c\/strong\u003e, con una resa vocale che rimane tra le più naturali di sempre. Strumenti acustici e jazz emergono con realismo notevole.\u003c\/li\u003e\n\u003cli data-start=\"1874\" data-end=\"2022\"\u003e\n\u003cstrong data-start=\"1874\" data-end=\"1882\"\u003eAlti: \u003c\/strong\u003eSetosi, aperti, mai aggressivi. L’architettura a foil getter dona un alto fine, brillante e ricco di aria, con micro-dettaglio superiore.\u003c\/li\u003e\n\u003cli data-start=\"2024\" data-end=\"2191\"\u003e\n\u003cstrong data-start=\"2024\" data-end=\"2036\"\u003eDinamica: \u003c\/strong\u003eReattiva e fluida. Attacco rapido ma naturale, rilascio morbido: la coppia mantiene un comportamento molto musicale e coerente con i risultati del test.\u003c\/li\u003e\n\u003cli data-start=\"2193\" data-end=\"2403\"\u003e\n\u003cstrong data-start=\"2193\" data-end=\"2207\"\u003eSoundstage: \u003c\/strong\u003eAmpio, profondo, tridimensionale. Splendida separazione delle linee musicali, scena stabile e con ottimo respiro. Le long plates Heerlen sono note proprio per questa capacità scenica superiore.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2405\" data-end=\"2463\"\u003e🎧 \u003cstrong data-start=\"2408\" data-end=\"2445\"\u003eUso in Amplificatori Hi-Fi Stereo\u003c\/strong\u003e\u003cbr data-start=\"2445\" data-end=\"2448\"\u003ePerfette per:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2466\" data-end=\"2494\"\u003epreamplificatori high-end,\u003c\/li\u003e\n\u003cli data-start=\"2497\" data-end=\"2520\"\u003eline stage raffinati,\u003c\/li\u003e\n\u003cli data-start=\"2523\" data-end=\"2568\"\u003eamplificazioni vintage europee e americane,\u003c\/li\u003e\n\u003cli data-start=\"2571\" data-end=\"2609\"\u003eDAC con stadio valvolare di qualità.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2611\" data-end=\"2750\"\u003eValvole ideali per jazz, vocale, ambient, classica e musica acustica, dove si desidera una presentazione naturale, ricca e tridimensionale.\u003c\/p\u003e\n\u003cp data-start=\"2752\" data-end=\"2838\"\u003e🎸 \u003cstrong data-start=\"2755\" data-end=\"2788\"\u003eUso in Amplificatori Musicali\u003c\/strong\u003e\u003cbr data-start=\"2788\" data-end=\"2791\"\u003eEccellenti per guitar amp vintage e boutique:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2841\" data-end=\"2869\"\u003ebreak-up dolce e musicale,\u003c\/li\u003e\n\u003cli data-start=\"2872\" data-end=\"2891\"\u003earmoniche ricche,\u003c\/li\u003e\n\u003cli data-start=\"2894\" data-end=\"2920\"\u003eclean europeo brillante,\u003c\/li\u003e\n\u003cli data-start=\"2923\" data-end=\"2952\"\u003ecrunch caldo e controllato.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2954\" data-end=\"3068\"\u003eAdatte a posizioni dove si ricercano armoniche e timbrica d’epoca.\u003c\/p\u003e\n\u003cp data-start=\"3070\" data-end=\"3176\"\u003e🎯 \u003cstrong data-start=\"3073\" data-end=\"3105\"\u003eNota per audiofili e tecnici\u003c\/strong\u003e\u003cbr data-start=\"3105\" data-end=\"3108\"\u003eQuesta coppia rappresenta una combinazione rara e molto ricercata.\u003cstrong data-start=\"3179\" data-end=\"3213\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3349\" data-end=\"3572\"\u003ePerfette per collezionisti, restauratori e appassionati che desiderano la vera firma sonora delle Amperex di Heerlen anni ’50.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\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 MOLTO 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 \u003c\/span\u003eGm = 1600 ; Ia = 1.0 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1500 ; Ia = 0.9 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\u003cspan\u003e \u003c\/span\u003eGm = 1400 ; Ia = 1.0 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1400 ; Ia = 0.8 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 \u003cmeta charset=\"utf-8\"\u003eBassa. 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\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 \u003cmeta charset=\"utf-8\"\u003eValvole Vintage - Testate e perfettamente funzionanti. 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 Buone – 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\u003eΔ9B \u003c\/span\u003e- ??? \u003cmeta charset=\"utf-8\"\u003e→ Struttura interna coerente con produzione Heerlen Long Plate Foil Getter di fine anni ’50. - \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eΔ9B\u003c\/span\u003e Δ → Heerlen (Olanda), 9 (su tre cifre ) → 1959 - B → Febbraio \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":57297879171420,"sku":"03511+03493_ONSPEC","price":599.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_101a4738-bb1d-4830-b851-0ce40523a800.jpg?v=1775642732","url":"https:\/\/vacuumtubestreasures.com\/it-hr\/products\/12ax7-ecc83-nos-amperex-bugle-boy-matched-pair-amplitrex-tested-long-plates-foil-getter-50s-1","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}