Guitar Synths ⇝ Roland ⇝ Roland GR-77B

The GR-77B is a bass guitar synthesizer based on the Roland JX-8P synth engine. It is controlled using a MIDI bass with a 24-pin cable and can be edited using a PG-800 programmer. The guitar version is the GR-700.

Specifications

Year Released: 1985

Preset Patches: 32

User Patches: 32

Screen: 4-character 7-segment LED display

Power Consumption: 27 watts

Weight: 12 kg

Dimensions: 690 mm x 375 mm x 155 mm

User Demo Videos

Rating

File Downloads

Roland GR-77B Manual

Roland GR-77B Service Notes

Items for Sale on Reverb

Roland GR-77 Bass Guitar Controller with GR-77B Synthesizer 1987 ($3,760)

Roland GR-77B (vintage bass synth) ($850)

Roland M-16C , GR-77B Sample Sound ,Memory cartridge ($152.33)

Roland G-77 Bass Synth Controller + GR-77B Synth Module | Vintage 80s Analog Bass Synthesizer- Pearl White ($4,118.97)

Roland M-64C Synthesizer Memory Cartridge for JX-8P JX-10 MKS-70 GR-77B ($99.99)

Roland G77B +GR77B 1980s - Ivory ($6,134.02)