The Valeton GP-100 is a compact and affordable multi-effects processor designed to deliver versatile amp modeling, effects, looping, and recording capabilities in a rugged, pedalboard-friendly format. With its intuitive interface and powerful HD digital modeling platform, the GP-100 is equally suited to beginners exploring multi-effects for the first time and experienced players looking for a practical backup, practice, or portable rig.
Versatile HD Modeling in a Compact Format
The GP-100 uses Valeton's HD digital modeling technology to deliver organic, responsive tones across a broad range of musical styles.
Its effects library includes more than 140 high-quality effects, including models for guitar, bass, and acoustic instruments.
The processor provides:
- 45 guitar, bass, and acoustic amp models
- 40 factory cabinet IRs
- 50+ dynamics, drive, EQ, modulation, delay, and reverb effects
- Customizable effect-chain order
- 20 user IR slots
This gives you plenty of flexibility to build everything from clean and ambient sounds to classic rock, high-gain, and modern effects chains.
198 Presets and Custom Tone Creation
The GP-100 features 198 preset locations, divided into:
- 99 factory presets
- 99 user presets
Factory patches are optimized for a wide range of musical applications, while the user locations allow you to create and save your own tones.
The editable signal chain lets you determine the order of your effects and tailor each patch to your playing style.
Built-In Looper and Drum Machine
The GP-100 is equipped with a 90-second looper, making it useful for practice, songwriting, and developing musical ideas.
Its pre-effects looper allows the looped phrase to respond to changes in effects and patches. Switching your patch can therefore transform the sound of an existing loop without having to record the phrase again.
The integrated drum machine provides:
- 100 rhythm patterns
- Metronome functions
- Multiple styles for practice and jamming
Combined with the stereo Aux input, the GP-100 can serve as a compact standalone practice station.
USB Audio Interface
The GP-100 can also function as a USB audio interface, allowing you to connect it directly to a computer for recording and audio playback.
The USB connection is useful for:
- Home recording
- Practicing with a computer
- Capturing guitar ideas
- Streaming stereo audio
- Managing patches with the editor
The dedicated PC/Mac editor provides a convenient way to manage and edit sounds.
Built-In Expression Pedal
An integrated expression pedal provides real-time control over assignable parameters such as volume, wah, and other effect settings.
This eliminates the need for an additional expression pedal and makes the GP-100 particularly convenient for compact setups.
Practical Stage and Practice Controls
The GP-100 provides dedicated operating modes for different playing situations, including Stompbox and Preset modes.
The built-in chromatic tuner makes quick tuning easy, while stereo outputs and a dedicated headphone output allow the processor to be connected to amplifiers, mixers, recording equipment, or headphones.
Key Features
- Compact multi-effects processor
- Advanced HD digital modeling technology
- 140+ high-quality effects
- 45 guitar, bass, and acoustic amp models
- 40 factory cabinet IRs
- 20 user IR storage slots
- 50+ dynamics, drive, EQ, modulation, delay, and reverb effects
- Editable effect chain
- 198 preset slots
- 99 factory + 99 user presets
- 90-second high-quality looper
- Pre-effects looper design
- 100 drum patterns
- Built-in metronome
- Built-in chromatic tuner
- Integrated expression pedal
- USB stereo audio interface
- PC/Mac editor
- Stompbox and Preset modes
- Stereo 1/4" outputs
- 1/8" headphone output
- 1/8" stereo Aux input
- Rugged metal chassis
- 9V power supply
Technical Specifications
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Audio Processing: 24-bit / 44.1 kHz
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Effects: 140+
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Amp Models: 45
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Factory Cabinet IRs: 40
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User IR Slots: 20
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Presets: 198
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Factory Presets: 99
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User Presets: 99
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Looper: 90 seconds
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Drum Machine: 100 patterns
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Outputs: 1/4" stereo
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Headphone Output: 1/8" stereo
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Aux Input: 1/8" stereo
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USB: USB audio interface
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Expression Pedal: Built-in
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Power: 9V DC
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Dimensions: 198 × 134 × 28 mm
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Weight: 800 g
The Valeton GP-100 combines a comprehensive effects library, amp and cabinet modeling, an expression pedal, looper, drum machine, USB audio, and flexible preset management in a compact metal chassis. It's a practical choice for practice, songwriting, home recording, rehearsals, and portable live rigs without the size and complexity of a larger multi-effects floorboard.
