Integrated Preamp/ Amplifier. Bass & Treble controls have independent right/left balance for both. Input selector includes Aux, Tuner 1 & 2, Phono 1 & 2, Tape HD. Mode Selector includes L to L&R, R to L&R, Stereo, Mono (L+R) L+R to L, L+R to R, Panloc. Tape Copy/ monitor functions. Only a few capacitors replaced, all others check out perfect (unit uses many Japanese caps). Fixed and tightened connectors. Added silver solder to edge connectors. Face glass is near perfect.Very clean unit with only minor signs of use. Only light wear, no broken parts. Unit is fully functional & Works excellently. No Wooden case. Minor oxidation on rear connectors. #8+ condition.