The Big Muff Pi tone circuit is a useful addition to your tone stack arsenal as either a hobbyist or professional builder. It provides a simple, low parts count framework that can be tweaked quite simply to fit the project you're working on.
Ah the old true-bypass or not dilemma. I have been asked several times whether or not true bypass is ‘any good’ or if it truly makes any difference. Now I am not the most qualified person in the world to answer this question, but I will do my best...
There are several ways to wire up a 3PDT switch but this is the way that I was shown and it is the one I have always used. Click the image for a full-size view
Potentiometers (or 'Pots') can sometimes be a little confusing. People have asked me before what it is and how to wire one up, what do the numbers mean (1,2,3) and what do the letters mean (A,B)?