1. Introduction
The Keeley Halo Andy Timmons Dual Echo pedal is a sophisticated delay effect designed to replicate Andy Timmons' signature delay sound. This pedal offers two independent delay settings (A and B) that can be switched between, along with a dedicated 'Halo' rhythm mode. It features a memory bank for storing presets and versatile controls for shaping your delay tone.
2. Setup
2.1 Power Connection
Connect a standard 9V DC power supply (center negative) to the 9VDC input jack on the top of the pedal. Ensure the power supply meets the pedal's requirements to prevent damage.
2.2 Audio Connections
Connect your instrument or the output of a preceding pedal to the input jack. Connect the output jack to your amplifier or the input of a subsequent pedal. The Halo pedal supports both mono and stereo operation. Refer to the diagram below for typical connections.
Figure 1: Front view of the Keeley Halo Andy Timmons Dual Echo Pedal. This image displays the pedal's vibrant red enclosure, all control knobs, footswitches, and input/output jacks. The top row features 'TIME/HPF', 'FDBK (PRESS) ALT', and 'LEVEL/SATURATE' knobs. The middle row includes 'RATE/TONE' and 'DEPTH/RHYTHM' knobs, along with a toggle switch and A/B/Status LEDs. The bottom section shows the 'HALO Andy Timmons DUAL ECHO' branding, 'PRESETS' LEDs (1, 2, 3), and the 'A' and 'B' footswitches with their respective indicator LEDs. The Keeley logo is centered at the bottom.
3. Operating the Pedal
3.1 Controls Overview
- TIME/HPF Knob: Controls the delay time. Pressing and holding this knob engages the High-Pass Filter (HPF) function, allowing you to filter the delay repeats.
- FDBK (PRESS) ALT Knob: Adjusts the feedback (number of repeats) of the delay. Pressing and holding this knob activates the Alternate function, which can vary depending on the selected delay mode.
- LEVEL/SATURATE Knob: Sets the overall output level of the delay effect. Pressing and holding this knob engages the Saturate function, adding a subtle drive or warmth to the repeats.
- RATE/TONE Knob: In most modes, this controls the modulation rate. Pressing and holding this knob activates the Tone control, allowing you to brighten or darken the delay repeats.
- DEPTH/RHYTHM Knob: Controls the modulation depth. Pressing and holding this knob engages the Rhythm mode selector, which allows you to choose different delay subdivisions, including the unique 'Halo' effect.
- A/B Footswitches: These footswitches allow you to toggle between two independent delay settings (A and B). The corresponding LEDs indicate the active setting.
- PRESETS LEDs (1, 2, 3): Indicate the currently selected preset. The pedal can store up to eight presets.
- STATUS LED: Indicates the pedal's bypass status and other operational information.
3.2 Switching Between Delay Settings (A/B)
Press the 'A' footswitch to activate delay setting A, or the 'B' footswitch to activate delay setting B. Each setting can have its own unique parameters for Time, Feedback, Level, Rate, and Depth. This allows for quick transitions between different delay sounds during performance.
3.3 Engaging the 'Halo' Effect
To access the 'Halo' effect, press and hold the DEPTH/RHYTHM knob. This will cycle through various rhythm modes, including the specific 'Halo' setting that provides Andy Timmons' signature delay sound. Experiment with the TIME and FDBK controls to fine-tune the effect.
3.4 Presets
The Halo pedal features a memory bank capable of storing up to eight presets. To save a preset, dial in your desired sound, then refer to the full manual for the specific save procedure (typically involving holding down a footswitch or combination of controls). To recall a preset, use the designated preset selection method, which will illuminate the corresponding PRESETS LED (1, 2, or 3).
3.5 Advanced Features
- Tap Tempo: The pedal includes a tap tempo function for synchronizing delay time to your playing. Consult the full manual for tap tempo activation.
- Infinite Hold: An infinite hold feature allows for sustained delay repeats.
- Trails/True Bypass: The pedal can operate in either trails mode (delay repeats decay naturally after bypass) or true bypass mode (signal is completely removed when bypassed).
- Expression Pedal Control: An external expression pedal can be connected to control various parameters in real-time.
4. Maintenance
To ensure the longevity and optimal performance of your Keeley Halo pedal, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the pedal's exterior. Avoid abrasive cleaners or solvents.
- Storage: Store the pedal in a cool, dry place away from direct sunlight and extreme temperatures.
- Power Supply: Always use a compatible 9V DC center-negative power supply. Disconnect power when not in use for extended periods.
- Connections: Periodically check all input/output jacks and power connections for secure fit.
5. Troubleshooting
If you encounter issues with your Keeley Halo pedal, refer to the following common problems and solutions:
- No Sound:
- Ensure the power supply is correctly connected and functioning.
- Check all audio cables for proper connection and integrity.
- Verify that the pedal is not in bypass mode if you expect an effect.
- Weak or Distorted Sound:
- Check the LEVEL knob setting.
- Ensure your instrument's output and amplifier's input levels are appropriate.
- If using the SATURATE function, adjust it to a lower setting if distortion is undesired.
- Delay Not Functioning Correctly:
- Adjust TIME and FDBK knobs to hear the delay effect.
- If using presets, ensure the correct preset is selected.
- Reset the pedal to factory settings if issues persist (refer to the full manual for this procedure).
6. Specifications
- Model: Halo Andy Timmons Dual Echo Pedal
- Brand: Keeley Electronics
- Item Weight: 15.8 ounces
- Product Dimensions: 5.45 x 4.15 x 2.7 inches
- Signal Format: Analog
- Power Source: Corded Electric (9V DC, center negative)
- Color: Andy Apple Red
7. Warranty and Support
Keeley Electronics products are known for their quality and reliability. For specific warranty information, please refer to the warranty card included with your product or visit the official Keeley Electronics website. For technical support, product inquiries, or service, please contact Keeley Electronics directly through their official support channels.
Official Website: www.robertkeeley.com
