Harman Kardon AM/FM stereo receiver model 330C. from 1976 to 1977. Rated at 20 watts per channel both driven at 8 ohms. Features, tuning meter, one tape monitor, one phono input, one aux input, contour (loudness) on/off, mono on/off, speakers one and two selectors on/off, and separate bass and treble controls. Great stereo receiver and common back in those days.