Roland GT-1 Guitar Effects Processor
The Roland GT-1B Bass Effects Processor offers studio-quality multi-effects and amp modeling, designed exclusively for bass players.
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The Roland GT-1B Bass Effects Processor is a powerful, portable multi-effects unit tailored for bass players. Equipped with BOSS’s premium amp modeling and effects, this pedal offers deep tone shaping for any playing style, from smooth jazz to heavy rock.
With dedicated bass effects like compressors, overdrive, synth, and modulation, the GT-1B provides limitless sonic possibilities. The built-in expression pedal allows for real-time control of effects, while the USB connectivity lets players record directly into a DAW or tweak settings via BOSS Tone Studio.
For bassists seeking high-quality tones in a portable unit, the Roland GT-1B delivers unmatched performance on stage and in the studio.
- Premium BOSS sound engine squeezed into a light and compact floor unit.
- Modern design with no hard edges enables safe transport in a guitar bag.
- Easy Select and Easy Edit functions for quickly choosing and tweaking patches.
- Four AA batteries provide up to seven hours of playing time for busking and mobile gigs.
- Onboard control switch and expression pedal; footswitch/expression pedal jack and USB.
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Product Specifications
| Features | |
| 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 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; Expres |
| 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; PHONES 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 |
| Width | 305 mm 12-1/16 inches |
| Depth | 152 mm 6 inches |
| Height | 56 mm 2-1/4 inches |
| Maximum height | 74 mm 2-15/16 inches |
| Weight (including battery) | 1.3 kg 2 lbs 14 oz |
