User’s Manual

Voodoo Lab Guitar Effect Pedals are handcrafted from the finest modern and vintage components. They are housed in rugged aluminum cases with heavy duty metal switches. True bypass switching is used for absolutely no loss of tone when the pedal is bypassed. These are the finest effect pedals a musician can buy. All Voodoo Lab products are manufactured in the U.S.A. by Digital Music Corporation. For more infor- mation about Digital Music and Voodoo Lab products, please visit our web site at www.voodoolab.com.


The Voodoo Lab Tremolo is designed to provide the tone and feel of a vintage tube amp tremolo. This is accomplished by using the proper waveform in conjunction with the same lamp and photocell assembly used in many popular vintage amps.


We’ve added two new controls to our Tremolo for even greater versatility. Depending on how you’ve set the controls you can get a perceived level change from the Tremolo. The Volume control is an output level trim which allows you to correct this to your desired playing volume. The Slope control varies the shape of the tremolo waveform. Set the slope all the way down for traditional tremolo. As you increase the slope, the rise and fall becomes sharper. When you turn it all the way up the “off” attenuation is increased for a better stutter sound. Here are some possible settings:

  1. Shimmer: set the intensity around 3:00 and the speed nearly all the way up.
  2. Surf: try the intensity around 2:00 and the speed around 3:00.
  3. Leslie: turn the intensity all the way up and set the speed to the desired tempo, probably between 12:00 and 2:00.
  4. Stutter: turn the slope all the way up. Set the intensity all the way up and the speed as desired.

Plugging into the input jack turns on the power to your Tremolo. To preserve battery life, disconnect the input cable when not in use.


The Voodoo Lab Tremolo is powered by a single 9V battery. To replace the battery, remove the four screws which secure the bottom cover. Longer life and more consistant tone will be achieved with an Alkaline-type battery.

External Power

The Voodoo Lab Tremolo can be powered externally with a regulated 9VDC power supply, eliminating

the need for the internal battery. The external power supply connector is a standard 5.5×2.1mm barrel with center negative. The Voodoo Lab Pedal Power will power up to eight pedals without any added hum or noise.

Warranty Information

Digital Music Corporation warrants this product against any defects that are due to faulty material or workmanship for a period of five years from the date of original retail purchase. This warranty does not include damage to the product resulting from accident or misuse. This warranty is given to the original purchaser only and it is not assignable to any other person.

If the product should become defective within the warranty period, Digital Music will repair it or replace it free of charge, provided it is returned freight prepaid to Digital Music with a valid RMA (return material authorization) number.

This warranty shall not apply to any goods that have been repaired or altered by anyone other than the manufacturer. There are no warranties which extend beyond the terms described herein.

Should you experience any difficulty with this Digital Music product, contact us as described below.

If it is determined that the product must be returned to the factory for repair, you will be issued an RMA and given shipping and packaging instructions.

How to Reach Us

You can reach us by the following:

Tel: 707 545 0600

Fax: 707 545 9777

Mail: Voodoo Lab

3165 Coffey Lane, Santa Rosa, CA 95403

Email: info@voodoolab.com Website: www.voodoolab.com

Copyright 1998-2007 by Digital Music Corporation Voodoo Lab and Pedal Power are trademarks of Digital Music Corp. Printed in U.S.A.

Note: This User's Manual is adapted from the official manual created by Voodoo Lab in PDF format, without modification of the content. We just rewrite the PDF, into responsive mobile friendly pages.So, you can read this document anytime and anywhere.

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