Guitar Synths ⇝ Roland ⇝ Roland GR-1

The GR-1 uses a 13-pin connector and is compatible with the Roland GK-2A, Yamaha G1D, or other similar hexaphonic guitar synth pickups. Guitars with built in synthesizer pickups like the Brian Moore i8.13, Godin LGX-SA, and Roland-ready Stratocaster are also compatible.

The pitch tracking circuitry in the GR-1 is the same as those used in the GR-09, GR-50, GM-70, and GI-10 and note response will be at the same speed as in those units.

It uses an external 9-volt power supply. The unit is labeled "Use Roland ACB/ACI Adaptor Only". The ACB-120 is a 9V DC, 1200 mA unit with negative tip that consumes 24 watts of power.

Factory Reset:

(CAUTION: All USER information will be lost. Be sure to back up any information you wish to keep.)

1. Power on while holding WRITE/COPY. The display will show "ALL INIT" and "OK?" flashing.

2. Release WRITE/COPY and then press YES. "WAIT" will show in the display for a few seconds. When the Factory reset is complete, "11RHODES" will show in the display.

Expansion

The GR-1 has 200 built-in waveforms and another 200 are available via the PN-GR1-01 expansion board, which comes with the SR-GR1-01 memory card.

SR-GR1-01 Expansion Board Demo Song (192 Kbit MP3, 3MB)

Specifications

Year Released: 1992

Polyphony: 24 notes

Multitimbral: 4 parts

User Patches: 64

ROM: 200 waveforms (expandable to 400)

Effects: Reverb, Delay, Chorus, Flange

Screen: custom fluorescent display

Power Consumption: 24 watts

Weight: 3.2 kg

Dimensions: 426 mm x 290 mm x 70 mm

Sequencer: 2000 Notes

User Demo Videos

Rating

Sound Samples

WAV samples are available on freewavesamples.com.

File Downloads

Roland GR-1 Manual

Roland SR-GR1-01 Manual

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