Tubes:1 5U4G rectifier,2 12AX7,2 12AU7,2 5881 Power Tubes. Rear Panel: Phono 1&2, Tuner, Aux, Tape, TV Inputs (RCA), Tape Out (RCA) Speaker Outs are T-strips (4,8&16 Ohms). It has 2 ac power outlets. Front Panel: Selector(tape,tv,tuner,aux,col,lon,riaa,am78,eur78)Level,Loudness,Bass & Treble controls.