GR-55: Specifications

Tags: details,gr-55,sounds
The following are specifications for the GR-55:

Sound Generator
PCM: 2 tones
Modeling: 1 tone

PCM: 910 types
Modeling: 23 types (guitar mode)
17 types (bass mode)

MFX (Multi-Effects): 20 types
AMP (Preamp): 42 types
MOD (Modulation): 14 types
DELAY: 7 types
REVERB: 5 types
CHORUS: 4 types
EQ: 1 type

Patch Memory
Guitar mode
Preset: 270 + User: 297
Bass mode
Preset: 90 + User: 297

AD Conversion
24-bit (GK Pickup)
24-bit + AF method ** (Normal Pickup)
DA Conversion
Sampling Frequency
44.1 kHz

Nominal Output Level
OUTPUT jacks: -10 dBu
GUITAR OUT jack: -10 dBu

Output Impedance
OUTPUT jacks: 2 k ohms
GUITAR OUT jack: 2 k ohms

USB Memory Audio Player
File Format: WAV, AIFF

Graphic LCD 240 x 64 dots

GK IN connector (13 pins DIN type)
GUITAR OUT jack (1/4-inch phone type)
OUTPUT L/MONO, R jacks (1/4-inch phone type)
PHONES jack (Stereo 1/4-inch phone type)
MIDI connectors (IN, OUT) (5-pin DIN type)
USB COMPUTER connector (supports Hi-Speed USB, USB MIDI and
USB Audio)
USB MEMORY connector (supports Hi-Speed USB Flash Memory)
DC IN jack

Power Supply
DC 9 V
Current Draw
700 mA

AC adaptor
Owner's manual
Divided pickup - GK-3 (only for GK included model)
GK cable (5 m) (only for GK included model)

Options (sold separately)
Divided pickup: GK-3 (for guitar), GK-3B (for bass guitar)
GK cable: GKC-5 (5 m), GKC-10 (10 m)
MIDI foot controller: FC-300
Unit selector: US-20

Size and Weight
405 mm
(16 inches)

244 mm
(9-5/8 inches)

78 mm
(3-1/8 inches)

3.3 kg
(7 lbs. 5 oz.)

Maximum height: 106 mm 4-3/16 inches (When the expression pedal is moved to the minimum)

* 0 dBu = 0.775 Vrms

** AF (Adaptive Focus) method is a proprietary method from Roland

In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.