Fisher FM tube stereo receiver model 500-C. From 1966. Rated at 75 watts per channel. The 500-C lacks AM. Features, high and low filters on/off, MPX filter on/off, one tape in/output, one phono, one aux inputs, loudness contour on/off. Selector for - tape head - phono mono - phono stereo - FM automatic - FM stereo - FM mono - tape/aux, separate bass and treble controls, Also has a signal strength meter. Neat stereo receiver.