{"product_id":"aiyima-upgraded-6a2-tube-preamplifier-amplifiers-hifi-preamp-bile-buffer-audio-amp-speaker-sound-amplifier-home-theater-diy","title":"AIYIMA Preamplificatore valvolare 6A2 aggiornato Amplificatore HiFi Preamplificatore Bile Buffer Amplificatore audio Amplificatore per altoparlanti Home Theater Fai da te","description":"\u003cdiv\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eDescrizione del prodotto:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eQuesto prodotto è un preamplificatore valvolare e deve essere collegato a un diffusore attivo o a un amplificatore di potenza.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eNon è possibile collegare direttamente altoparlanti e diffusori passivi, cuffie, amplificatori fono o automobili.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eNome del prodotto: preamplificatore a valvole\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eTubo: 6A2 (Il tubo è smontato)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eAlimentazione: DC 12-16V, corrente 1A o superiore (si consiglia un'alimentazione DC 12V 1.5A) (alimentatore non incluso)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePresa di alimentazione: DC3.5\/5.5*2.1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIl prodotto supporta la sostituzione delle valvole: 6J1 6J2 6J3 6J4 6J5 6A2 6K4 6K5 6AK5 6AU6 6BA6 6BD6 EF93 6K7 GE5654 ecc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIngrandimento del pre-stadio: ingrandimento della tensione 5 volte\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eRisposta in frequenza del preamplificatore: 5 Hz-500 kHz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eSensibilità del pre-livello: 3V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIngresso audio: ingresso di segnale a basso livello come telefono cellulare, CD, computer, TV, MP3, ecc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eUscita audio: collegabile ad un amplificatore di potenza o a diffusori attivi.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eDimensioni: 87*75 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eNota:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIl preamplificatore valvolare è un amplificatore a stato solido in classe A. Si consiglia di utilizzare cavi schermati per il segnale. I cavi comuni possono causare dispersioni o rumore.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIl sollevamento ad alta fedeltà può essere regolato liberamente, e la regolazione a tre velocità con un interruttore a onda.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eL'interruttore all'estrema sinistra è \"Hi-Fi\".\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eL'interruttore centrale è \"Boost 1\".\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eL'interruttore all'estrema destra è \"Boost 2\".\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eNota:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e1. Se la linea di segnale non è schermata o l'alimentazione non è ben filtrata, potrebbero generarsi disturbi. Si consiglia di utilizzare cavi schermati e un'alimentazione pulita per i test.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e2. Il buffer valvolare amplifica il segnale di circa 5 volte. Il preamplificatore ha una funzione di amplificazione ed è collegato tra la sorgente audio, il preamplificatore e l'amplificatore di potenza. Il rumore proveniente dalla sorgente audio viene amplificato, quindi si consiglia di utilizzare una buona sorgente audio per effettuare il test.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIl pacchetto include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\/\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e1 valvola preamplificatrice 6A2 (opzionale) (senza alimentazione)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sdf6797383b53453682cd1ec16bd3c53eK.webp?v=1769676631\"\/\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S6cabe1a6ee3d45fabae8c13cc5630be96.webp?v=1769676631\"\/\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S4a18399b999d4ddab5fe23db048d2d88v.webp?v=1769676631\"\/\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Seb4df12372bf4971bac01163d3c22816J.webp?v=1769676631\"\/\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sc1d8bd86d71a4878b66f9591b80bd86cK.webp?v=1769676631\"\/\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S8ba9d0de48414834bae5dfaeee9af980s.webp?v=1769676631\"\/\u003e\u003c\/p\u003e","brand":"AIYIMA","offers":[{"title":"Default Title","offer_id":47303957152002,"sku":"TFZ-AIYIMA-AIYIMA-UPGRADED-6A2-TUBE-152002","price":21.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sdf6797383b53453682cd1ec16bd3c53eK.webp?v=1769676631","url":"https:\/\/proengi.com\/it\/products\/aiyima-upgraded-6a2-tube-preamplifier-amplifiers-hifi-preamp-bile-buffer-audio-amp-speaker-sound-amplifier-home-theater-diy","provider":"PROENGI","version":"1.0","type":"link"}