Akai Stereo Receiver Model AA-910DB. A Dolby system. From around 1974. watts unknown. Features, one tape in/outputs, one phono input, one aux input, both right/left mic inputs, Dolby tone on/off, Dolby Nr on/off, record level with rec/playback selector, selectors - AM - Dolby FM - FM Auto - phono/mic - aux, phones output, left right power level meters separate treble and bass controls, a tuning meter, and more features.