Boss GT-1B Bass Effects Processor #2420 - DEMO

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Weighing just under 3 lb, the BOSS GT-1B is an effects processor chockfull of processing tools for electric bass housed in a relatively lightweight enclosure. Users of BOSS multi-effects products will recall the GT-10B; a wide array of preamps offered in that unit have been updated and retooled for this effects processor, and two models new to the lineup have been added. Limiting, distortion, graphic EQ, and more are offered, as are creative processors such as Harmonist, Bass Synth, Defretter, and more. All in all, the pedal sports 90 effects types, giving you 99 preset patches and 99 user patches for tweaking your timbre.

An easy-to-understand interface helps you build and fine-tune tonal parameters. You’ll find buttons labelled Easy Edit and Easy Select which help you tweak with alacrity and efficacy. An arrangement of buttons enable you to access individual effects by category, and to switch them on and off at will, allowing you to bypass and engage elements of your processed tone on the stage. In addition to the GT-10B’s large expression control pedal—assignable to wah, pitch shift, and more—you’ll find footswitches which allow you to turn all the effects on or off, sync effects with tap tempo functionality, control the 32-second looper, and to access the tuner.

The pedal provides an instrument input, an auxiliary input, stereo outputs, a headphone output, and a jack for additional expression/control pedals. The GT-1B runs on four AA batteries, or by means of an optional and separately available power supply. In addition to the onboard patches, you can tweak and import patches using BOSS Tone Central Editor software. 

  • BOSS sound engine specially tuned for bass
  • Emulated amps and effects in relatively light, compact floor unit
  • EQ and dynamics tools for optimizing your core bass tone
  • Includes MDP effects to facilitate musical expression
  • No hard edges to bolster safe transport in instrument gig bags
  • Easy Select and Easy Edit functions for quickly choosing and tweaking patches
  • 4 x AA batteries provide up to seven hours of play time
  • Onboard control switch and expression pedal; footswitch/expression pedal jack and USB port
  • Download pro patches and editor software for free at BOSS Tone Central
Sampling Frequency 44.1 kHz
AD Conversion 24-bit + proprietary AF method
DA Conversion 24-bit
Effects 90 types
Patches 99 User, 99 Preset
Phrase Looper 32 seconds
Nominal Input Level Input: -10 dBu
Auxiliary input: -20 dBu
Maximum Input Level Input: +7 dBu
Auxiliary input: 0 dBu
Impedance Input: 1 MOhm
Auxiliary input: 27 kOhms
Output (L/Mono, R): 1 kOhm
Phones: 44 Ohms
Recommended Load Impedance Output (L/Mono, R): 10 kOhms or greater
Phones: 44 Ohms or greater
Controls DOWN Switch
UP Switch
CTL1 Switch
OD/DS Button
FX2/MOD Button
DELAY Button
EXIT Button
ENTER Button
MENU Button
1 knob, 2 knob, 3 knob Expression pedal
Display Graphic LCD (132 x 32 dots, backlit LCD)
I/O 1 x 1/4" Input jack, phone type
2 x 1/4" Output jacks, phone type
1 x 1/4" TRS CTL2, 3/EXP2 jack, phone type
1 x Stereo 3.5 mm auxiliary input
1 x USB Type-B computer port
1 x DC input jack for power
Power Supply 4 x AA batteries (LR6), AC adapter (available separately)
Current Draw 200 mA
Expected Battery Life Alkaline: approximately 7 hours, depending on condition of use
Dimensions Minimum height: 12.0 x 6.0 x 2.2" / 30.5 x 15.2 x 5.6 cm
Maximum height: 12.0 x 6.0 x 2.9" / 30.5 x 15.2 x 7.4 cm
Weight 2.9 lb / 1.3 kg (including battery)
Packaging Info
Package Weight 4.05 lb
Box Dimensions (LxWxH) 14.7 x 8.4 x 4.4"

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