MATRIXSYNTH: Working Roland CMU-800R w/ Apple II Up for Auction

Tuesday, July 28, 2020

Working Roland CMU-800R w/ Apple II Up for Auction

via this auction

This is the system featured in this recent video.

"Unbelievable piece of Roland history in museum condition. Here is the Fully Working Roland CMU-800R setup together with Apple II computer. This is not just working CMU-800 in pristine condition. It comes together with Apple II interface card impossible to find and Apple II software. It's fully running and working. CMU-800 is also modified to introduce drum sounds tuning. This is the professional upgrade performed in my workshop. No corners cut. Apple II is retrobrighted, comes with a monitor and keyboard and also includes FLOPPY Emulator. It also comes with the original floppy drive, if you prefer to keep authentic. This is one of set up, that you'll enjoy.
That is CMU-800R? It's essentially computer based synth/interface designed early 80s. It combines 6 synth parts - Melody, Bass, Chord (4 voices) and TR-606 style analog drums. It also has 8 CV/Gate interfaces, Roland composer software to operate it. NO MIDI :)

Check out the video I recorded of this exact system: [posted here]

You'll receive:

1. Roland CMU-800R
2. CMU800 Apple II interface card
3. Apple II computer
4. Floppy emulator with SD Card and all necessary files
5. Floppy Drive
6. Original CMU-800 Manuals
7. Original 5.25" floppy discs
8. Apple Color Monitor
9. Apple Keyboard
10. Power cables."


  1. How is he going to program his Kurzweil K150s?

  2. Never mind. I see a second Apple mouse back there.

  3. I am glad to read your thoughts about subject , you are great at your stuff




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