GR9E-1 Expansion Board
The GR9E-1 offers 180 new high quality tones for the GR-09 Guitar Synthesizer.
This user-installable board provides 4 Mbytes of new samples taken from the
SR-GR-01 Expansion Board, including ethnic instruments, guitars, electric
pianos, synth waveforms and many more. When installed into a GR-09, a total of
360 tones are available.