Synth Museum

"Synthesizer preservation via research and education."

The Web SynthArk


Roland CMU-800


Released: 1983

MSRP: no


"Compu Music" mixer module, including synth and rhythm sections, but requiring an AppleII to function. Architecture Class: Conventional (subtractive).

Ebay Description:

The Roland Compu Music CMU-800 is an AppleII computer expansion card, which includes a desktop mixer, 6 voice analog synthesizer, 7 voice drum synthesizer, and a sequencer. The sequencer features 8 synth tracks, 1 drum track, and 2 CV tracks.


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
desktop W:333mm D:108mm H:193mm 3kg mix:2 mix rhythm chord bass melody AppleII clock CV:1V/oct gate:10V clock no 20W


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
- N/A no no no sliders/knobs LED


Multitimbral Polyphony Unison Architecture
no synth:6 drum:7 no VCO->VCF->VCA


Effects Pan Modulator Volume Modulator Headphone
no no no yes


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A step synth-tracks:8 cv-tracks:2 rhythm-tracks:pattern/song AppleII clock no no


Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
no no CMU-802:clock no no no


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
DCO digital preset - no no no no
Rhythm ? bass-drum snare-drum low-tom high-tom cymbal open-hat closed-hat - no no no no
Conventional Models
RS-101 RS-202 RS-505 RS-09 SA-09 VP-330 SH-3 SH-5
SH-1000 SH-2000 SH-7 SH-1 SH-2 SH-09 SH-101 MC-202
CMU-810 TB-303 CMU-800 Juno-6 Juno-60 MKS-10 Juno-106 Juno-106s
HS-60 MKS-7 Juno-1 HS-10 Juno-2 HS-80 MKS-50 Jupiter-4
MRS-2 Jupiter-8 Jupiter-6 MKS-80 JX-3P MKS-30 GR-700 JX-8P
JX-10 MKS-70