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April 2017 Giveaway

Electro-Optical Circuit

These circuits, which have no moving parts, are beginning to replace the standard pot (or potentiometer), particularly in devices that get a lot of use, such as a wah pedal. By replacing the standard pot (which moves back and forth every time the wah is rocked up or down) with an electro-optical circuit, you get the same effect, but with no wear.

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