Preamplificator clona Accuphase 3850 nou

Vand modul preamplificator clona asamblat si testat Accuphase 3850 nou Are inclus selector 3 intrari / 1 iesire cu relee Necesita transformator alimentare 2x15v si potentiometru volum 2x50 kohm logaritmic Predare personala in Bucuresti sector 5. In tara rog mai intai intrebati Multumesc The circuit architecture is the operational amplifier as the basic amplifier, discrete parts are added to increase the open loop gain, and the voltage and current dual feedback circuit is used to reduce distortion.