Output power 160 watt RMS / 200 watt distortion into 4 ohm 5 band graphic EQUALIZER +-20dB 4 band passive TONE system +-14dB CLEAN channel with VOLUM CRUNCH channel with distortion GAIN CLEAN/CRUNCH switch and foot switch LEAD channel with VOLUME LEAD switch and foot switch Pre-amp: low-noise operational amplifiers 12AX7 (ECC83) tube EFFECT MIX. with SEND-RETURN LINE OUT Power Amp: low-noise transistor