1. Product Overview
The Valeton GP-50 is a compact multi-effects processor and NAM/IR loader designed for guitar and bass. It integrates studio-quality sound into a portable stompbox format, suitable for various musical applications. The device features advanced digital modeling technology for a wide range of effects and amp/cab simulations.
Key Features:
- All-in-One Professional Effects Solution: Combines a multi-effects processor, NAM (Neural Amp Modeler) loader, and IR cabinet loader.
- Extensive Effects Library: Over 100 high-quality HD digital modeling effects, including distortion, delay, reverb, and modulation.
- Flexible Module & Storage Capacity: Supports up to 9 simultaneous effect modules with customizable order. Stores 20 third-party cabinet IR files and up to 80 NAM files (50 factory presets included).
- Intuitive Operation: Features a 1.77-inch high-definition color LCD screen, dual footswitches, and multiple control knobs/buttons for real-time parameter monitoring and editing.
- Comprehensive Connectivity: Built-in BT 5.0 for wireless app editing, 2-in/2-out USB Audio (re-amp compatible), USB MIDI, dual 1/4" TS stereo outputs, and 1/8" TRS headphone jack.
- Portable & Powerful: Robust, compact metal casing with a built-in 1450mAh rechargeable battery for mobile use.
2. Setup and Connections
Powering the Device:
- The GP-50 can be powered via a DC 9V (center negative) power adapter or a USB 5V power source.
- A built-in 1450mAh rechargeable battery allows for cable-free operation. Ensure the device is charged before portable use.
Connecting Your Instrument and Audio:
- Connect your guitar or bass to the 1/4" Unbalanced (TS) input jack.
- For stereo output, connect to the Dual 1/4" Unbalanced Stereo (TS) output jacks.
- For silent practice or monitoring, use the 1/8" Stereo (TRS) headphone output.
- For recording or re-amping, connect the device to your computer (Win/Mac/iOS/Android compatible) via the 2-in/2-out USB Audio interface.
- Utilize BT 5.0 for wireless audio playback and seamless editing via the mobile app.
- Expand control with expression pedals, external footswitches, and MIDI controllers using the 1/8" TRS jacks for MIDI IN/THRU.
3. Operating Instructions
User Interface Navigation:
- The 1.77-inch color LCD screen displays current patch information, effect chain, and parameter values.
- Use the control knobs and quick-access buttons to navigate menus, select effects, and adjust parameters.
- The dual footswitches can be configured for different modes (e.g., Patch mode for switching presets, Stomp mode for toggling individual effects).
Effects and Amp/Cab Modeling:
- Access over 100 high-quality effects and 9 simultaneous effect modules.
- Load Neural Amp Modeler (NAM) files and third-party Impulse Responses (IRs) to customize your amp and cabinet tones.
- Create and save up to 100 custom patch slots.
Looper and Drum Machine:
- Utilize the built-in looper for practice and creative layering.
- Engage the drum machine with 100 drum patterns for rhythm accompaniment.
Bluetooth App Control:
- Connect your iOS or Android device via BT 5.0 to wirelessly edit patches, manage presets, and control device functions through the dedicated mobile app.
4. Product Visuals
The Valeton GP-50 Multi-Effects Processor, showcasing its compact design, color LCD screen, control knobs, and footswitches. The screen displays 'GreatPedal' with Master, BPM, and P-VOL settings. The unit also features 'VALETON' branding, 'PARA', 'SAVE', 'EXIT/BT', 'GLOBAL', 'DRUM' buttons, and 'GP-50' model designation. Two footswitches are visible at the bottom, labeled 'TUNER' and 'HOLD FOR LOOPER'.
5. Technical Specifications
| Specification | Detail |
|---|---|
| A/D/A Converter | 24-bit high-performance audio |
| Sampling Frequency | 44.1 kHz |
| Patch Memory | 100 slots (55 factory patches) |
| Input | 1/4" Unbalanced (TS) |
| Output | Dual 1/4" Unbalanced Stereo (TS) |
| Headphone Output | 1/8" Stereo (TRS) |
| Power | DC 9V (center negative) or USB 5V |
| Dimensions | 122mm (W) x 82mm (D) x 54mm (H) |
| Weight | 430g |
| Battery Type | Lithium Polymer (1450mAh) |
6. Maintenance and Care
- Keep the device clean by wiping it with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Store the GP-50 in a cool, dry place away from direct sunlight and extreme temperatures.
- Protect the device from impacts and drops to prevent damage to internal components or the metal casing.
- Ensure all cables are connected securely but without excessive force to prevent damage to ports.
7. Troubleshooting
Common Issues:
- Device Unresponsive / Software Freezing: If the device becomes unresponsive or the editing software freezes, try restarting both the GP-50 and the software application. Ensure you have the latest firmware and software updates installed from the official Valeton website.
- No Sound Output: Check all cable connections (instrument, output, headphones). Verify volume levels on the GP-50, your amplifier, and any connected audio interfaces. Ensure effects are correctly enabled in your patch.
- Battery Not Charging: Confirm the power adapter or USB cable is correctly connected and functioning. Check the charging indicator on the device.
8. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Valeton website or contact your authorized dealer. Keep your proof of purchase for warranty claims.
