30 watts 2 tungsol 5881 tubes 12ax7 preamp tubes clean and lead channel preamp 12at7 preamp tubes loop reverb and phase inverter all pots jacks and switches are chassis mounted tube sockets are board mounted 2 channels lead and clean lead and clean master volume controls global reverb independent volume treble mid and bass controls and bright switch for each channel effects loop with line or pedal level selector switch fixed bias with test jacks and adjustment pot 4 8 16 ohm sel