the radio shack brand of various things. one of the more famous realistic products is the realistic mg-1, a clone of the moog rogue synthesizer.

this keyboard has two oscillators, three modulation types (sawtooth, square, and sample and hold for both the oscillators and the filter), a 'patented' moog voltage controlled filter (VCF), a polyphonic mode that sounds a lot like a toy keyboard (which can also be run thru the VCF filter), and so on.

this keyboard was designed by moog and was produced c. 1980.