Year Released: 1991
Polyphony: 24 notes
Preset Patches: 128
Preset Drumkits: 8
ROM Size: 3MB at 32 kHz
Screen: 20 x 2 character backlit LCD
Power Consumption: 9V, 600 mA
Dimensions: 490 mm x 265 mm x 90 mm
Roland RA-90 RA-50 TR-606 PG-1000 compatible 9 Volt 9VDC 1000mA 1A Adapter Power Supply ($31.95)
Roland RA-90 1990's Black ($55.50)
Roland RA-90 ($216.46)
Roland RA-90 Realtime Arranger Module - Keyboard Expander ($209.80)
Power Supply Replacement for Roland Ra-50 Ra-90 Ra-95 Adapter 9V ($13.84)
Roland RA-90 Reatime Arranger ($189.99)
Roland RA-90 Realtime Arranger w/power supply and case ($229)
Roland RA-90 Realtime MIDI Arranger, Begleitautomat, 56 Preset-Styles,Effekte,Sounds,24-stimmige Pol ($233.20)
Roland RA-90 ($277.51)
RARE VINTAGE ROLAND RA-90 REALTIME MIDI ARRANGER SEQUENCER ($191.65)
Roland RA-90 REAL TIME ARRANGER EXPANDER ($209.80)
Roland RA90 Real Time Arranger RA 90 & Euro Power Supply ($159.90)
Power Adapter for Roland RA-50 Arranger, RA-90 Arranger ($29.99)
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