{"product_id":"12au7-ecc82-dumont-by-tung-sol-gray-plates-horse-shoe-getter-amplitrex-tested","title":"12AU7 \/ ECC82 DUMONT by TUNG-SOL Gray Plates Horse Shoe Getter AMPLITREX Tested","description":"\u003ch3\u003e\u003cstrong\u003e12AU7 \/ ECC82 DUMONT by TUNG-SOL – Long Gray Plates – Horse Shoe Getter – Made in USA\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eAMPLITREX Tested – VERY STRONG – Low Noise \u0026amp; Microphonics – Vintage American Tung-Sol Production\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRisultati dei Test\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eValvole testate su\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eAMPLITREX AT-1000 Tube Tester\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eCondizioni di Test:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eVa = 250V, Vg = -8.5V\u003cbr\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMedia 100%:\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eGm = 2200 ; Ia = 10.5 mA\u003cbr\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRisultato del Test:\u003c\/b\u003e\u003c\/span\u003e MOLTO FORTE\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eValvola:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e Sezione 1:\u003c\/strong\u003e Gm = 2100 ; Ia = 9.9 mA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e Sezione 2:\u003c\/strong\u003e Gm = 2060 ; Ia = \u003cmeta charset=\"utf-8\"\u003e9.5 mA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTest Addizionali eseguiti\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p2\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBurn-in \/ Stability Test:\u003c\/strong\u003e 48h – OK\u003c\/li\u003e\n\u003cli class=\"p3\"\u003e\n\u003cb\u003eMicrofonicità:\u003c\/b\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 class=\"p3\"\u003e\n\u003cb\u003eBilanciamento:\u003c\/b\u003e Le sezioni risultano coerenti e ben allineate, rendendo le valvole idonee anche all’impiego come phase inverter in applicazioni hi-fi e strumentali.\u003c\/li\u003e\n\u003cli class=\"p3\"\u003e\n\u003cb\u003eQualità dell’Emissione:\u003c\/b\u003e Eccellente – Emissione molto forte e stabile, senza fluttuazioni.\u003c\/li\u003e\n\u003cli class=\"p2\"\u003e\n\u003cb\u003eCortocircuiti e GAS:\u003c\/b\u003e\u003cspan class=\"s2\"\u003e Assenti.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"p2\"\u003e\u003cb\u003eDescrizione:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePregiata \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12AU7 \/ ECC82 DUMONT prodotta da Tung-Sol negli Stati Uniti nel 1956\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, caratterizzata dalla ricercata costruzione \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLong Gray Plates\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e con \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHorse Shoe Getter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, tipica delle migliori produzioni americane della metà degli anni ’50.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLa marchiatura \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDUMONT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e identifica una fornitura OEM selezionata, mentre il codice di fabbricazione \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e322\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e riconduce chiaramente la produzione a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTung-Sol Electric Inc.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Si tratta quindi di un’autentica Tung-Sol americana d’epoca, interessante sia per l’appassionato hi-fi sia per chi ricerca componenti originali per restauri vintage di qualità.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLa valvola è stata accuratamente sottoposta a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e48 ore di burn-in \/ stability test\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e e successivamente testata nel nostro laboratorio mediante \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAmplitrex AT-1000 Tube Tester\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, ottenendo classificazione \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVERY STRONG \/ MOLTO FORTE\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Le due sezioni risultano ben equilibrate e la valvola è stata selezionata \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLow Noise \u0026amp; Microphonics\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, con emissione forte, stabile e priva di anomalie.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDal punto di vista sonoro, le Tung-Sol Long Gray Plate di questo periodo sono apprezzate per una riproduzione ricca, naturale e dinamica, con bassi pieni e ben controllati, una gamma media corposa e musicale, alte frequenze aperte ma raffinate e una scena sonora ampia, profonda e ben focalizzata. Il carattere complessivo unisce il tipico calore della produzione americana anni ’50 a una buona trasparenza e definizione.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeale per preamplificatori hi-fi, stadi phono compatibili, driver stage, phase inverter, DAC valvolari, amplificatori per cuffie e amplificatori per chitarra. Grazie alla selezione \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLow Noise \u0026amp; Microphonics\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, è adatta anche alle posizioni più sensibili, inclusa \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eV1\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e nelle applicazioni compatibili.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLa valvola è \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVintage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, accuratamente testata e perfettamente funzionante. Le condizioni estetiche sono \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebuone\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, con serigrafie parzialmente erose ma ancora leggibili e corpo della valvola in buono stato generale.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUn’autentica e affascinante \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDUMONT by Tung-Sol Long Gray Plates del 1956\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, realmente testata e selezionata da \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVacuum Tubes Treasures\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, ideale per chi ricerca una 12AU7 \/ ECC82 americana d’epoca forte, silenziosa e musicalmente raffinata.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCondizioni\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p3\"\u003e\n\u003cb\u003eCondizioni:\u003c\/b\u003e Valvole Vintage - Testate e perfettamente funzionanti. Fornite in nostra scatola personalizzata per una protezione ottimale.\u003c\/li\u003e\n\u003cli class=\"p3\"\u003e\n\u003cb\u003eFunzionalità:\u003c\/b\u003e Perfettamente operativa.\u003c\/li\u003e\n\u003cli class=\"p3\"\u003e\n\u003cb\u003eCondizioni estetiche:\u003c\/b\u003e Buone – Scritte parzialmente erose, ma ancora leggibili. Corpo della valvola in buone condizioni. Vedi foto per i dettagli.\u003c\/li\u003e\n\u003cli class=\"p2\"\u003e\n\u003cb\u003eCodice di Fabbricazione:\u003c\/b\u003e 322619-1 - 322 → Tung-Sol Electric Inc., Newark 4, N. J. - 619 → RMA\/EIA Open Date Code → fabbricata la 19ª settimana del 1956\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s2\"\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\/span\u003e\u003c\/p\u003e","brand":"TUNG-SOL","offers":[{"title":"Default Title","offer_id":58842425622876,"sku":"03447","price":79.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/s-l1600_da45e0f5-623f-4f0e-8de6-65463a4b6e7f.webp?v=1787841946","url":"https:\/\/vacuumtubestreasures.com\/it-ie\/products\/12au7-ecc82-dumont-by-tung-sol-gray-plates-horse-shoe-getter-amplitrex-tested","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}