{"product_id":"12au7-ecc82-nos-amperex-matched-pair-orange-globe-heerlen-1960-short-gray-plates-balanced-amplitrex-tested-same-data-codes","title":"12AU7 \/ ECC82 NOS AMPEREX Matched Pair - Orange Globe Heerlen 1960 - Short Gray Plates - Balanced - Amplitrex Tested","description":"\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e12AU7 \/ ECC82 NOS AMPEREX Matched Pair - Orange Globe Heerlen 1960 - Short Gray Plates - Halo Getter - Balanced - MADE IN HOLLAND \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eAmplitrex Tested\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\n\u003cstrong\u003eDescrizione Generale:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eQuesta \u003cspan class=\"s1\"\u003e\u003cb\u003ecoppia di 12AU7 \/ ECC82 Amperex Orange Globe\u003c\/b\u003e\u003c\/span\u003e, prodotta nello storico stabilimento di \u003cspan class=\"s1\"\u003e\u003cb\u003eHeerlen (Olanda) negli anni ’60\u003c\/b\u003e\u003c\/span\u003e, rappresenta una delle espressioni più riconoscibili e apprezzate della scuola europea.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLa combinazione tra \u003cspan class=\"s1\"\u003e\u003cb\u003emarchio Amperex\u003c\/b\u003e\u003c\/span\u003e, costruzione Heerlen e iconica grafica \u003cspan class=\"s1\"\u003e\u003cb\u003eOrange Globe\u003c\/b\u003e\u003c\/span\u003e conferisce a queste valvole un’identità ben precisa: raffinatezza timbrica, equilibrio e musicalità naturale.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLa coppia è proposta in configurazione \u003cspan class=\"s1\"\u003e\u003cb\u003ematched pair\u003c\/b\u003e\u003c\/span\u003e, elemento di grande valore per coerenza costruttiva e uniformità operativa.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eCaratteristiche costruttive di rilievo:\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\n\u003cspan class=\"s1\"\u003eproduzione \u003c\/span\u003e\u003cb\u003eHeerlen – Made in Holland\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eanni \u003cspan class=\"s1\"\u003e\u003cb\u003e’60\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003equalità costruttiva europea di alto livello\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eTestate con \u003cspan class=\"s1\"\u003e\u003cb\u003eAmplitrex AT-1000\u003c\/b\u003e\u003c\/span\u003e, hanno ottenuto:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eClassificazione interna VTT: MOLTO FORTE\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eEmissione molto forte e stabile\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eAssenza di cortocircuiti e GAS\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eOttimo equilibrio tra le sezioni\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eUna coppia che si distingue per coerenza, affidabilità e qualità sonora, perfettamente in linea con le aspettative degli appassionati Amperex Heerlen.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cstrong\u003eCaratteristiche Sonore\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eBassi\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eControllati ed eleganti, con una presenza equilibrata che privilegia precisione e articolazione rispetto all’enfasi.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMedi\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIl vero punto di forza: naturali, fluidi e ricchi di sfumature. Le voci emergono con realismo e coerenza, senza artifici.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAlti\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eAperti e raffinati, mai aggressivi. Offrono dettaglio e aria mantenendo sempre una tessitura morbida.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDinamica\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eEquilibrata e progressiva, con una risposta che privilegia musicalità e naturalezza piuttosto che l’impatto forzato.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSoundstage\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eBen organizzato, con una scena credibile e una buona separazione degli strumenti.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cb\u003e🎧 Uso in Amplificatori Hi-Fi\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eQuesta coppia si inserisce perfettamente in sistemi hi-fi di livello, dove si ricerca:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eequilibrio tonale\u003c\/li\u003e\n\u003cli class=\"p1\"\u003enaturalezza timbrica\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eassenza di fatica d’ascolto\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ecoerenza tra i registri\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eParticolarmente indicata per preamplificatori e stadi driver dove la qualità della 12AU7 incide in modo determinante sul risultato finale.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🎸 Uso in Applicazioni Musicali\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIn ambito musicale, queste Amperex offrono:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003erisposta fluida e controllata\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eottima gestione delle dinamiche\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ecarattere sonoro musicale e mai aggressivo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eIdeali per chi cerca definizione e musicalità senza rigidità.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cstrong\u003e🎯 Nota per audiofili e tecnici\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eAmperex Orange Globe – Heerlen (Holland)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eAnni ’60 – produzione europea di riferimento\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\u003eShort Gray Plates – Halo Getter\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eTest Amplitrex – MOLTO FORTE\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eEmissione stabile – Nessun GAS o cortocircuiti\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eOttimo equilibrio tra le sezioni\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eUna coppia che racchiude pienamente il carattere \u003cspan class=\"s1\"\u003e\u003cb\u003eAmperex Heerlen anni ’60\u003c\/b\u003e\u003c\/span\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p2\"\u003e\u003cb\u003eraffinata, musicale e credibile\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p2\"\u003e\u003cb\u003eselezionata e verificata con criterio\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p2\"\u003e\u003cb\u003ecapace di elevare concretamente la qualità d’ascolto\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cstrong\u003eRisultati dei Test:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eValvola testata su AMPLITREX AT-1000 Tube Tester:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni di Test:\u003c\/strong\u003e Va = 250V, Vg = -8.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia 100%:\u003c\/strong\u003e Gm = 2200 ; Ia = 10.5 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 style=\"text-align: left;\"\u003e\u003cstrong\u003eValvola 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e Gm = 2100 ; Ia = 10.8 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e Gm = 2200 ; Ia = 10.4 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eValvola 2:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e Gm = 2150 ; Ia = 10.8 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e Gm = 2200 ; Ia = 11.2 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eTest Addizionali eseguiti:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\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\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQualità dell’Emissione:\u003c\/strong\u003e Eccellente – Emissione molto forte e stabile, senza fluttuazioni.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCortocircuiti e GAS:\u003c\/strong\u003e Assenti.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cstrong\u003eCondizioni:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: left;\"\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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunzionalità:\u003c\/strong\u003e Perfettamente operative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondizioni estetiche:\u003c\/strong\u003e Molto Buone – Scritte ben leggibili con lievi segni del tempo, nessun difetto evidente. Vedi foto per i dettagli.\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\u003cstrong\u003e\u003c\/strong\u003eGf8 Δ0A4 - \u003cmeta charset=\"utf-8\"\u003eGfx indica un ECC82 con la progressione sequenziale di x, ove l'incremento di x indica le modifiche di produzione - \u003cmeta charset=\"utf-8\"\u003eΔ0A4 Δ → Heerlen (Olanda), 0 (su quattro cifre ) → 1960 - A → Gennaio - 4 → 4a settimana del mese\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eGf8 Δ0A3 - \u003cmeta charset=\"utf-8\"\u003eGfx indica un ECC82 con la progressione sequenziale di x, ove l'incremento di x indica le modifiche di produzione - \u003cmeta charset=\"utf-8\"\u003eΔ0A3 Δ → Heerlen (Olanda), 0 (su quattro cifre ) → 1960 - A → Gennaio - 3 → 3a settimana del mese\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\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":"AMPEREX","offers":[{"title":"Default Title","offer_id":57421185220956,"sku":"03548","price":179.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/2_9fa6244b-713b-4a7f-bbac-e80c9b363d15.jpg?v=1776866561","url":"https:\/\/vacuumtubestreasures.com\/it-hr\/products\/12au7-ecc82-nos-amperex-matched-pair-orange-globe-heerlen-1960-short-gray-plates-balanced-amplitrex-tested-same-data-codes","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}