AM/FM tuner, 3 RCA inputs, 1/4" mic input, 2 tape monitor loops, Dolby noise reduction. Replaced regulator and 2 transistors. Replaced PSU caps (upgrade). Added grounds (upgrade lower noise). FM Alignment, excellent tuner. Also special Dielectric lube in switches. Excellent #9 condition with one FM tuner bulb indicator burned out (very difficult to access, replace). Overall #9 condition cosmetically and mechanically. Excellent case.