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Wah mod - What is the Q resistor standing for


gorch

Question

Question for electronics experts. I have just finished the DYOC wah kit that has a few trim pots to dial in sound of taste and I'm wondering,
what does the Q resistor do in the wah circuit?

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My ancient brain remembers that "Q" is the width of the filter effect.

High Q is a narrow filter (restricted set of frequencies passing) and low Q is a broad filter (most frequencies passing).

For real excitement, put a potentiometer in place of the fixed resistor and try different settings as you rock the wah pedal.

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Great, thanks! For real excitement, it’s a potentiometer already. It’ll need a third hand to set up while rocking though. B)

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