1. Introduction
This manual provides essential information for the safe and proper use of your SupplySource AC Adapter. This adapter is specifically designed as a replacement power supply for SpeakerCraft LTM-1.0 and LTM-10 Learn Test Modules. Please read these instructions carefully before use and retain them for future reference.
2. Safety Information
Your SupplySource AC Adapter is built with advanced safety electronics to protect against various electrical issues. Adherence to these guidelines ensures safe operation:
- Over Charge Protection: Prevents damage from excessive charging.
- Over Voltage Protection: Safeguards against input voltage surges.
- Short-circuit Protection: Automatically shuts down in case of a short circuit.
- Over Current Protection: Protects against excessive current flow.
- Over Temperature Protection: Prevents overheating of the adapter.
The adapter is certified with CE and FCC standards, ensuring compliance with safety regulations.

Image 1: The SupplySource AC Adapter highlighting its built-in safety electronics, including protections against overcharge, over voltage, short-circuit, over current, and over temperature.
3. Setup and Connection
Before connecting the adapter, ensure that the DC output and tip size of this adapter are compatible with your SpeakerCraft LTM-1.0 or LTM-10 Learn Test Module.
- Verify Compatibility: Confirm that your device requires an input voltage of 100-240V and a frequency of 50-60Hz.
- Connect to Device: Insert the DC output plug of the AC adapter firmly into the power input port of your SpeakerCraft LTM-1.0 or LTM-10 module.
- Connect to Power Outlet: Plug the AC adapter into a standard wall power outlet (100-240V).
- Power On: Your device should now receive power.

Image 2: The SupplySource AC Adapter with a visual representation of its 4-foot cable length, providing ample reach for connection.
4. Operating Instructions
The SupplySource AC Adapter is designed for straightforward operation. Once properly connected, it provides continuous power to your SpeakerCraft LTM-1.0 or LTM-10 Learn Test Module. No additional user interaction is required for its basic function.
- Ensure the adapter is securely plugged into both the device and the wall outlet.
- Disconnect the adapter from the power outlet when not in use for extended periods.
5. Maintenance and Care
To ensure the longevity and optimal performance of your AC adapter, follow these maintenance guidelines:
- Ventilation: When using the adapter for extended periods, ensure it is placed in a well-ventilated area. Avoid covering it or placing it on soft surfaces that could obstruct airflow.
- Humidity: Keep the adapter in an environment with suitable humidity. Avoid extreme moisture or direct contact with liquids.
- Cleaning: Disconnect the adapter from power before cleaning. Use a dry, soft cloth to wipe the surface. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid bending or kinking the cable excessively.
6. Troubleshooting
If you encounter issues with your AC adapter, consider the following common solutions:
- No Power to Device:
- Check if the adapter is securely plugged into both the wall outlet and your device.
- Verify that the wall outlet is functional by testing it with another device.
- Ensure the adapter's specifications (voltage, current) match your device's requirements.
- Adapter Overheating:
- Ensure adequate ventilation around the adapter. Do not cover it.
- Disconnect the adapter and allow it to cool down before resuming use.
If problems persist after attempting these steps, please contact customer support for assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | SupplySource |
| Model Compatibility | SpeakerCraft LTM-1.0, LTM-10 |
| Input Voltage Range | 100-240V AC |
| Input Frequency | 50-60Hz |
| Color | Black |
| Material | Metal, Plastic |
| Cable Length | Approximately 4 feet |
8. Warranty and Support
This SupplySource AC Adapter is manufactured with high-quality materials and undergoes rigorous testing. For any questions or concerns regarding your product, please do not hesitate to contact us. We are committed to providing assistance and support.
Please refer to your purchase documentation for specific warranty details and contact information.