Marantz AM/FM stereo receiver model 2275. From 1974 - 1977. Rated at 75 watts per channel at 8 ohms. Features, Dolby FM, multipath, hi blend, mono in R or L, dubbing in/out, low and high filters, loudness on/off, FM muting, speakers main or remote, separate mid treble and bass controls, two tape in/outputs, tone modes, one phono and aux inputs, both tuning and signal meters.