Phantom Wah for guitarists


Posted on Oct 23, 2012

This is an op-amp implementation of a Vox style wah, with the inductor replaced by a gyrator circuit. With the component values given the frequency response is similar to a standard wah. By replacing one of the resistors with a potentiometer the simulated inductance can be made continuously variable.


Phantom Wah for guitarists
Click here to download the full size of the above Circuit.

Currently this circuit has an unacceptable level of background hiss and is therefore reverted to experimental status. I will post a new version when I've got rid of the wretched noise.




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