Boss GT-1, Service Notes

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3
Sep. 2016 GT-1
Specifications
BOSS GT-1: Guitar Effects Processor
Sampling Frequency
44.1 kHz
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
Effects
108 types
Patches
99 (User) + 99 (Preset)
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 MΩ, AUX IN: 27 kΩ
Nominal Output Level
OUTPUT (L/MONO, R): -10 dBu, PHONES: -10 dBu
Output Impedance
OUTPUT (L/MONO, R): 1 kΩ, PHONES: 44 Ω
Recommended Load Impedance
OUTPUT (L/MONO, R): 10 kΩ or greater, PHONES: 44 Ω 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.
Dimensions
305 (W) x 152 (D) x 56 (H) mm
12-1/16 (W) x 6 (D) x 2-1/4 (H) inches
Maximum height:
305 (W) x 152 (D) x 74 (H) mm
12-1/16 (W) x 6 (D) x 2-15/16 (H) inches
Weight (including battery)
1.3 kg
2 lbs 14 oz
Accessories
Owner’s manual (#5100051784)
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
* 0 dBu = 0.775 Vrms
* Printed matters will not be supplied after the end of the production. Then,
download the electronic file from the Roland web site.
* In the interest of product improvement, the specifications and/or appearance of
this unit are subject to change without prior notice.