Mountain Computer Music System

” The Mountain Computer Music System – two expansion cards connected by a short ribbon cable and a light pen used to input notes and edit waveforms directly on the Apple II monitor’s screen.

8 stereo voices
8-bit digital sound
software sequencer
graphical waveform editor

Comes in original packaging with manual. Components, disks, and manual in very good to like new condition. Box in good condition. Untested, as is.”
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