Marantz AM/FM stereo receiver model SR 3100. From 1981. The 1980s were in and the styling was new. Rated at 44 watts per channel. Features, one phono input, one tape in/output, one auxiliary/tape input, loudness on/off, muting, speaker selector system one and two, tuning meter, also features led power watt indicators, separate bass mid and treble controls. A Marantz classic.