Mod Rex - Effect machine Electro Harmonix - Free user manual and instructions
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| Product Type | Modulation Multi-Effects Pedal |
| Brand | Electro Harmonix |
| Model | Mod Rex |
| Dimensions | 4.5 x 2.75 x 2 inches (11.4 x 7.0 x 5.1 cm) |
| Weight | 0.5 lbs (227 g) |
| Power Supply | 9V DC center negative (100 mA minimum) |
| Effects Types | Chorus, Flanger, Phaser, Tremolo, Vibrato, Rotary |
| Controls | Rate, Depth, Blend, Preset Select, Mode Switch |
| Input | 1/4-inch mono instrument jack |
| Output | 1/4-inch mono amplifier jack |
| Bypass | True bypass |
| Construction | Metal chassis with durable finish |
| Presets | Up to 3 user presets (via toggle or footswitch) |
| LED Indicators | Effect status and preset number |
| Cleaning | Wipe with dry cloth; avoid solvents |
| Safety | Use only approved 9V DC adapter; avoid moisture |
| Spare Parts | Contact Electro Harmonix support |
| Repairability | Service by qualified technician; no user-serviceable parts |
| Warranty | 1 year limited warranty (check local regulations) |
Frequently Asked Questions - Mod Rex Electro Harmonix
How do I power the Mod Rex?
Use a standard 9V DC center negative power supply with at least 100 mA current capability. Do not use a center positive supply.
Can I use batteries?
The Mod Rex does not have a battery compartment; it requires an external 9V DC power supply.
How do I save a preset?
Adjust the controls to your desired sound, then press and hold the preset footswitch until the LED flashes. Select the preset slot (1, 2, or 3) and press again to confirm.
What is the difference between the modulation types?
The Mod Rex offers six classic modulation effects: Chorus (thickens sound), Flanger (swooshing jet effect), Phaser (sweeping filter), Tremolo (volume oscillation), Vibrato (pitch modulation), and Rotary (rotating speaker simulation).
Can I use the Mod Rex with a bass guitar?
Yes, the Mod Rex works with both guitar and bass. It has a wide frequency response suitable for low-end instruments.
How do I clean the pedal?
Unplug the pedal and wipe the exterior with a soft, dry cloth. Avoid using cleaning solvents or abrasives.
Is the Mod Rex true bypass?
Yes, the Mod Rex features true bypass to preserve your guitar signal when the effect is off.
What do the LED colors mean?
The LED indicates the active preset (1, 2, or 3) and whether the effect is engaged (solid green) or bypassed (off). When saving, the LED flashes.
Can I chain multiple Mod Rex pedals?
Yes, you can connect multiple Mod Rex pedals in series using standard 1/4-inch instrument cables. Each pedal operates independently.
How do I reset the Mod Rex to factory settings?
To reset, unplug power, then hold down the preset footswitch while reconnecting power. Hold until all LEDs flash, then release. This clears all user presets.
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USER MANUAL Mod Rex Electro Harmonix
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Product information
Brand : Electro Harmonix
Model : Mod Rex
Category : Effect machine