Boss GT1

AD Conversion

24 bits + AF method
* AF method (Adaptive Focus method) is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters.

DA Conversion

24 bits

Sampling Frequency

44.1 kHz

Patches

99 (User) + 99 (Preset)

Effect

108 types

Phrase Loop 

32 sec

Nominal Input Level 

INPUT: -10 dBu, AUX IN: -20 dBu

Maximum Input Level 

INPUT: +7 dBu, AUX IN: 0 dBu

Input Impedance 

INPUT: 1 M ohm, AUX IN: 27 k ohms

Nominal Output Level

OUTPUT (L/MONO, R): -10 dBu, PHONES: -10 dBu

Output Impedance

OUTPUT (L/MONO, R): 1 k ohm, PHONES: 44 ohms

Recommended Load Impedance

OUTPUT (L/MONO, R): 10 k ohms or greater, PHONES: 44 ohms or greater

Controls 

DOWN switch, UP switch CTL1 switch
EASY SELECT button, EASY EDIT button, FX1/COMP button, OD/DS button, PREAMP button, FX2/MOD button, DELAY button, REVERB button, MEMORY EDIT button, EXIT button, ENTER button, MENU button
1 knob, 2 knob, 3 knob
Expression pedal

Display

Graphic LCD (132 x 32 dots, backlit LCD)

Connectors

INPUT jack, OUTPUT (L/MONO, R)
jacks: 1/4-inch phone type
CTL2, 3/EXP2 jack: 1/4-inch TRS phone type
AUX IN jack: Stereo miniature phone type
USB COMPUTER port: USB type B
DC IN jack

Power Supply

Alkaline battery (AA, LR6) x 4, AC adaptor (sold separately)

Current Draw

200 mA

Expected battery life under continuous use

Alkaline: Approx. 7 hours
* These figures will vary depending on the actual conditions of use.

Accessories

Owner's manual
Leaflet "USING THE UNIT SAFELY"
Alkaline battery (AA, LR6) x 4

Options (sold separately)

AC adaptor: PSA series
Footswitch: FS-5U, FS-5L, FS-6, FS-7
Expression Pedal: FV-500L, FV-500H, Roland EV-5

Size and Weight

Width (W)

305 mm

Depth (D)

152 mm

Height (H)

56 mm

Maximum height

74 mm

Weight (including battery)

1.3 kg