Pieni mutta tehokas putkivahvistin Suomesta
Kotimaisen A-Soundin takana Arto Salo, joka on harrastanut 60-luvulta asti putkivahvistimien rakentamista ja työskennellyt tietoliikennepuolen suurtaajuusvahvistinten suunnittelijana. Integroitu Concertina-vahvistin on sille nimensä lainanneen instrumentin tapaan pieni mutta kuuluva.
Hönkää tarjoaa vuorovaihepääte, jossa on kaksi QQE03/12 kaksoisbeam-pentodia. Niitä on käytetty myös sotilas- ja ammattikäytössä esimerkiksi radiolähettimissä ja tietoliikenteessä. Muina putkina on kaksi 6F12P triodi-pentodia.
Vahvistimessa on lähtö 8 ja 4 ohmin kaiuttimille ja kolme linjatasoista tuloliitäntää. Virtalähteessä on toroidimuuntaja. Tehoa luvataan 2 x 10 wattia ja taajuusvasteeksi 20 Hz – 70 kHz (+ 1dB).
Hintaa laitteella on 1 600 euroa, mikä ei ole kotimaisesta highend-vahvistimesta paljon. Lisätietoja löydät from here.
Paino: 7 kg
Mitat (l x k x s): 20 x 13,5 x 24 cm
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