Harman Kardon AM/FM stereo receiver model 330A. from the the 1970s. Rated at 45 watts both channels. 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, AM, FM, FM stereo, phono, and tape amp/aux selectors. Also separate bass and treble controls. Great stereo receiver and common back in those days.