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10/12/07

Switcher/Mixer (or "A/B" pedal)

A switcher pedal (also called an "A/B" pedal) enables players to run two effects or two effects chains in parallel, or switch between two effects with a single press of the pedal.

Some switcher pedals also incorporate a simple mixer, which allows mixing the dry guitar signal to be mixed with an effected signal. This is useful to make overly processed effects more mild and natural sounding. Examples of the use of the mixer function include:

* A wah can be mixed with dry guitar to make it more mild and full-bandwidth, with less volume swing.
* A compressor can be mixed with dry guitar to preserve the natural attack of the dry signal as well as the sustain of the compressor.
* Two overdrive pedals can be blended together.
* A strong phaser effect can be mixed with dry guitar to make it more subtle and musical.

Some examples of switcher pedals include:

* Dunlop A/B pedal

Some examples of Switcher/mixer pedals include:

* Boss LS-2

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