A number of years ago, I bought a Dunlop Crybaby Wah pedal second hand. It was a good deal, but the sound was never as good as I wanted it to be. Since I got it, there was a scratchy sound that I could never totally get rid of. I cleaned out the potentiometer (pot) with electronics cleaner a few times, and that definitely improved things, but it was never perfect.
Lately, I’ve been getting back into playing guitar, and I wanted to put this wah to use. I figured I would just replace the pot and everything would be fine. At first, I assumed I could just go to Radio Shack or whatever they’re called these days and get a replacement, but after doing some research online, I found that the potentiometer used in a wah-wah is not a simple linear pot, but is logarithmic.
Without wanting to … Read the rest