{"product_id":"12ax7-ecc83-baldwin-selection-sylvania-raytheon-toshiba-very-strong-low-noise-mic-tubes-amplitrex-tested","title":"12AX7 ECC83 Baldwin Selection - Sylvania, Raytheon, Toshiba - Very Strong - Low Noise \u0026 Microphonics Tubes - AMPLITREX Tested","description":"\u003cp\u003e\u003cstrong\u003e12AX7 ECC83 Baldwin Selection - Sylvania, Raytheon, Toshiba - Very Strong - Low Noise \u0026amp; Mic Tubes - AMPLITREX Tested\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescrizione:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eQuesto \u003cspan class=\"s1\"\u003e\u003cb\u003equartetto misto di 12AX7 (ECC83) Baldwin Selection\u003c\/b\u003e\u003c\/span\u003e riunisce tre prestigiose produzioni: \u003cspan class=\"s1\"\u003e\u003cb\u003eSylvania, Raytheon e Toshiba\u003c\/b\u003e\u003c\/span\u003e, tutte marchiate Baldwin e selezionate originariamente per applicazioni professionali.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan class=\"s2\"\u003eSi tratta di un lotto \u003c\/span\u003e\u003cb\u003eeterogeneo per costruzione\u003c\/b\u003e\u003cspan class=\"s2\"\u003e, ma accomunato da un elemento chiave: \u003c\/span\u003e\u003cb\u003eemissione molto elevata, risposta sonora energica e carattere musicale marcato\u003c\/b\u003e\u003cspan class=\"s2\"\u003e. \u003c\/span\u003eNon è un set matched e non nasce per la simmetria da laboratorio, ma per chi cerca \u003cspan class=\"s1\"\u003e\u003cb\u003epersonalità, spinta e comportamento sonoro vivo\u003c\/b\u003e\u003c\/span\u003e. \u003c\/p\u003e\n\u003cp class=\"p3\"\u003eTutte le valvole sono state testate singolarmente su \u003cspan class=\"s1\"\u003e\u003cb\u003eAMPLITREX AT-1000\u003c\/b\u003e\u003c\/span\u003e e classificate \u003cspan class=\"s1\"\u003e\u003cb\u003eMOLTO FORTI\u003c\/b\u003e\u003c\/span\u003e, con valori ampiamente superiori alla media.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRisposta generale\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eSuono \u003cspan class=\"s2\"\u003e\u003cb\u003epieno, dinamico e autorevole\u003c\/b\u003e\u003c\/span\u003e, con una sensazione di energia immediata e grande presenza.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eL’elevata emissione si traduce in \u003cspan class=\"s2\"\u003e\u003cb\u003eheadroom, impatto e risposta pronta\u003c\/b\u003e\u003c\/span\u003e, particolarmente apprezzabili in circuiti musicali.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGamma media: \u003c\/strong\u003eRicca e presente, con un carattere deciso che mette in primo piano strumenti e voci.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eOgni valvola conserva una propria personalità, rendendo il lotto ideale per sperimentare e modellare il comportamento del circuito.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDinamica: \u003c\/strong\u003eVivace e reattiva, con una risposta che segue bene il tocco e la variazione di segnale.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003eQui il carattere prevale sulla perfezione: \u003c\/span\u003e\u003cb\u003esono valvole che si sentono, non che si nascondono\u003c\/b\u003e\u003cspan class=\"s3\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e🎸 \u003cstrong\u003eUso in Amplificatori per Strumenti Musicali\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eParticolarmente indicate per:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\u003cb\u003eamplificatori per chitarra\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003eposizioni \u003c\/span\u003e\u003cb\u003eV1, V2, stadi di gain, reverb\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003echi cerca \u003c\/span\u003e\u003cb\u003espinta, carattere e risposta immediata\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eIdeali per:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eblues, rock, jazz\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eclean energici e crunch dinamico\u003c\/li\u003e\n\u003cli class=\"p1\"\u003esperimentazione timbrica tra posizioni diverse del preamplificatore\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eNon consigliate come \u003cspan class=\"s2\"\u003e\u003cb\u003ephase inverter\u003c\/b\u003e\u003c\/span\u003e o dove sia richiesta simmetria assoluta.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eComposizione del lotto\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2× Sylvania Baldwin – Long Gray Plates\u003c\/li\u003e\n\u003cli\u003e1× Raytheon Baldwin – Long Black Plates\u003c\/li\u003e\n\u003cli\u003e1× Toshiba Baldwin – Short Gray Plates, Red Tip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eSerigrafie parzialmente consumate dal tempo, pienamente coerenti con l’età e l’uso originale.\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\u003cstrong\u003eRisultato del Test:\u003c\/strong\u003e\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 = 1,2 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\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 = 1700 ; Ia = 1,1 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\u003cp\u003e\u003cstrong\u003eValvola 3:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1800 ; Ia = 1,4 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1300 ; Ia = 1,0 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eValvola 4:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1900 ; Ia = 1,5 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSezione 2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGm = 1700 ; Ia = 1,2 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 Bassa. Testata e conforme per l'uso in amplificatori per chitarra anche in V1.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBilanciamento: \u003c\/strong\u003eLe sezioni presentano un disallineamento moderato; valvola adatta all’uso in stadi non critici (ingresso\/driver) e in amplificatori per chitarra. Non consigliata come phase inverter o dove sia richiesto un perfetto equilibrio tra le sezioni.\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\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 \u003cmeta charset=\"utf-8\"\u003eerose o 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\u003cli\u003e\n\u003cstrong\u003eCodice di Fabbricazione: \u003c\/strong\u003e-\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SYLVANIA, RAYTHEON, TOSHIBA","offers":[{"title":"Default Title","offer_id":55721810919772,"sku":"03198","price":99.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_f7896e72-fbaf-43a0-8812-cc7946afb9b1.jpg?v=1760426775","url":"https:\/\/vacuumtubestreasures.com\/it-de\/products\/12ax7-ecc83-baldwin-selection-sylvania-raytheon-toshiba-very-strong-low-noise-mic-tubes-amplitrex-tested","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}