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Boss GT-1 Guitar Effects Processor

Dolphin id:124810 Product SKU:GT-1

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When it comes down to guitar and bass multi-fx processors, Boss have always and continue to set the bar for which any future entries should be judged. The all new addition to the Boss GT range, the GT-1, is Boss's most portable rendition yet. Running off either batteries or a 9v power supply, the Boss GT-1 can be taken to the streets, making it an absolutely ideal unit for buskers, travelling musicians or just for home use.

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The Katana lineup consists of three combo amplifiers and an amplifier head. The 50-watt Katana-50 and 100-watt Katana-100 are each equipped with a custom 12-inch speaker. The Katana-100/212 has 100 watts of power and is equipped with two custom 12-inch speakers. The 100-watt Katana-Head is designed for use with an external speaker cabinet such as the Waza Amp Cabinet 412, but includes a convenient integrated monitor speaker for tone preview and practice.

With the GT-1’s straightforward interface, it’s simple to build great tones right away. The Easy Select function allows users to quickly find patches by genre, distortion, or effect type, while Easy Edit lets them tweak drive, modulation, and echo tones to perfection with little effort. Dedicated panel buttons provide quick on/off switches for effect groups, and also unlock deep-dive parameters for microscopic fine-tuning.

At the BOSS Tone Central website, GT-1 users have access to many free patch collections. Created by pro guitarists, these patches are dialed-in and ready to use for playing all types of music. The free BOSS Tone Studio software provides a full-featured editor/librarian for the GT-1, as well as integrated access to all the patch collections at BOSS Tone Central.

The GT-1’s three footswitches are smartly designed to provide patch selection, tuner access, looper control, and more in a minimal footprint. A dedicated CTL1 switch is assignable to tap tempo, effects on/off, and other functions, while the expression pedal and toe switch are assignable to volume, wah, and various effects parameters. There’s also a jack for connecting up to two external footswitches or an expression pedal.


Sampling Frequency

  • 44.1 kHz

AD Conversion

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

DA Conversion

  • 24 bits


  • 108 types


  • 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 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


  • 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


  • Graphic LCD (132 x 32 dots, backlit LCD)


  • 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)

Expected battery life under continuous use

  • Alkaline: Approx. 7 hours (Figure will vary depending on the actual conditions of use.)

Weight (including battery)

  • 1.3 kg
  • 2 lbs 14 oz


  • Owner's manual
  • Alkaline battery (AA, LR6) x 4

£ 165.00 Web price, inc VAT

Ex Vat:
£137.50, VAT at 20.00%
x £ payments + £ deposit
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