
The GR-30's sound set is similar to those found on Roland's JV-series synthesizers. It is known for its arpeggiator, which is lacking in newer Roland guitar synthesizers like the GR-33 and GR-55. It is an upgraded version of the GR-09 with more sounds and capabilities but an otherwise similar appearance.
Year Released: 1997
Polyphony: 28 notes
Preset Patches: 128
User Patches: 128
ROM: 8MB with 384 waveforms
Effects: reverb, chorus
Screen: 3-character 7-segment LED
Power Consumption: 440 mA at 9V
Weight: 1.6 kg
Dimensions: 302 mm x 274 mm x 58 mm
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