Marantz AM/FM stereo receiver model 2240. From the year 1974. 40 watts per channel into 8 ohms. Features, one phono input, two tape in/outputs, one auxiliary input, Dolby FM, stereo mono switch, loudness on/off, muting, high and low filters, main and remote speaker selectors, separate bass treble and mid controls, and both tuning and signal meters, and more features.