1. Introduction
This manual provides essential information for the safe and effective use of your new SupplySource 9V AC/AC Power Adapter. This adapter is specifically designed to provide reliable power to Alesis Midiverb 3, Midiverb III, Midiverb 4, and Midiverb IV Digital Effects Processors. Please read these instructions thoroughly before use and retain them for future reference.
2. Important Safety Instructions
- Voltage Compatibility: Ensure the AC output and tip size of this adapter are compatible with your device's requirements before connecting. This adapter provides 9V AC output.
- Ventilation: When using the adapter for extended periods, ensure it is placed in a well-ventilated area to prevent overheating. Avoid covering the adapter.
- Placement: Do not place the adapter on soft surfaces like beds or carpets, which can block ventilation. Keep it away from skin products or other materials that could impede heat dissipation.
- Protection Features: This product is manufactured with high-quality materials and includes multiple smart features safeguarding against incorrect voltage, short circuits, and internal overheating. It is CE and FCC certified.
- Cable Integrity: The power supply features a durable copper core wire, designed to resist breakage and extend the product's lifespan. Avoid bending or crimping the cable excessively.
- Indoor Use Only: This adapter is intended for indoor use in dry locations only. Do not expose it to water or high humidity.

3. Product Overview
The SupplySource 9V AC/AC Power Adapter is a robust and reliable power solution for your Alesis Digital Effects Processors. It features a compact design and a durable cable for long-term performance.

Product Quality and Construction
The adapter is engineered with high-grade components to ensure stable and consistent power delivery. Its internal structure includes high-quality copper core wire, wire insulation, aluminum foil shielding, and a PVC cable jacket for enhanced durability and safety.
4. Setup
- Verify Compatibility: Before connecting, confirm that your Alesis Midiverb processor requires a 9V AC power supply and that the adapter's barrel connector matches your device's input jack.
- Connect to Device: Insert the barrel connector of the power adapter firmly into the power input jack of your Alesis Midiverb processor.
- Connect to Power Outlet: Plug the AC plug of the adapter into a standard 100-240V wall outlet.
- Power On: Turn on your Alesis Midiverb processor. The device should now receive power.
5. Operating Instructions
Once connected, the SupplySource 9V AC/AC Power Adapter will continuously supply power to your Alesis Midiverb processor. No additional operational steps are required for the adapter itself. Ensure your device is properly configured and ready for use according to its own instruction manual.
6. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a dry, soft cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as cuts, fraying, or bent pins. If damage is found, discontinue use and replace the adapter.
7. Troubleshooting
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and the device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that your device is turned on.
- Device Malfunction:
- Confirm that the adapter's voltage (9V AC) and current rating are correct for your specific Alesis Midiverb model. Using an incorrect adapter can damage your device.
- If the device still malfunctions, consult the Alesis Midiverb's own instruction manual or contact Alesis support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | SupplySource |
| Input Voltage | 100-240V |
| Output Voltage | 9V AC |
| Connector Type | Barrel Connector |
| Color | Black |
| Material | Metal, Plastic |
| Certifications | CE, FCC |
9. Warranty and Support
This SupplySource 9V AC/AC Power Adapter comes with a 24-month warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For technical support or warranty inquiries, please contact your retailer or the manufacturer directly. Refer to the product packaging for specific contact details.