GR-D
Twin-pedal stompbox that brings Roland GK processing to a pedalboard, running each guitar string through its own distortion or synth engine. It suits guitarists with a GK-equipped guitar or a GK-3 divided pickup who want polyphonic-style distortion and synth tones.
- Four sound types: VG-DIST 1, VG-DIST 2, POLY DIST, SYNTH
- 13-pin GK input; works with GK-3 or GK-equipped guitars
- GAIN, COLOR, TONE and LEVEL knobs with TYPE selector
- Four memories, recall from GK-equipped guitar switches
- Solo footswitch boosts volume and presence
- Six AA batteries or optional PSA-series adaptor
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The GR-D is a V-Guitar distortion pedal built around GK processing. A 13-pin GK input receives six separate string signals, so distortion is applied to each string on its own rather than to a mixed mono signal. Four sound types are available: VG-DIST 1, VG-DIST 2, POLY DIST and SYNTH, the last being an analog synth-style voice driven by string vibration instead of an oscillator. DSP runs in real time.
Tone is shaped with GAIN, COLOR and TONE knobs, plus a LEVEL knob and a TYPE knob for choosing the sound. Four memories store favourite settings and can be recalled from the control switches on a GK-equipped guitar. One of the two footswitches triggers a Solo function that raises volume and presence for lead lines.
For rig integration there is a dual MIX/GUITAR INPUT, mono/stereo OUTPUT jacks and a separate GUITAR OUTPUT that passes the normal pickup sound without GK processing. The GK output also carries the regular pickup signal. Power comes from six AA batteries or an optional PSA-series adaptor.
Video
Specifications
- Brand
- Roland
- Model
- GR-D
- Category
- Effects and pedals
Inputs
- Nominal input level (MIX INPUT)
- -10 dBu
- Nominal input level (GUITAR INPUT)
- -20 dBu
- Input impedance (MIX INPUT)
- 1 M ohm
- Input impedance (GUITAR INPUT)
- 1 M ohm
- GK input
- GK IN connector (13-pin)
Outputs
- Nominal output level (OUTPUT)
- -20 dBu
- Nominal output level (GUITAR OUTPUT)
- -20 dBu
- Output impedance (OUTPUT)
- 2 k ohms
- Output impedance (GUITAR OUTPUT)
- 2 k ohms
- Recommended load impedance
- 10 k ohms or greater
Connectivity
- Connectors
- MIX/GUITAR INPUT (R, L/MONO) jacks, GK IN connector, GUITAR OUTPUT jack, OUTPUT (R, L/MONO) jacks, DC IN jack
Audio
- Type
- VG-DIST 1, VG-DIST 2, POLY DIST, SYNTH
- Memory
- 4
Controls
- Controls
- ON/OFF pedal, SOLO pedal, TYPE knob, GAIN knob, COLOR knob, TONE knob, LEVEL knob, SELECT button, WRITE button, OUTPUT SELECT switch
- Indicators
- POWER indicator (also battery check), ON/OFF indicator, SOLO indicator
Power
- Power supply
- Alkaline (AA, LR6) or carbon-zinc (AA, R6) battery x 6, AC adaptor (PSA-series: optional)
- Current draw
- 200 mA (9 V, when used with GK-3)
- Battery life, alkaline (continuous use)
- Approx. 7 hours
- Battery life, carbon-zinc (continuous use)
- Approx. 2 hours
Physical
- Width
- 173 mm (6-13/16 inches)
- Depth
- 158 mm (6-1/4 inches)
- Height
- 57 mm (2-1/4 inches)
- Weight
- 1.1 kg (2 lbs. 7 oz.)
In the box
- Included
- Owner's Manual, Leaflet, Alkaline battery (AA, LR6) x 6
- Options (sold separately)
- PSA-series AC adaptor, GK-3, GC-1, GKC-10, GKC-5, US-20