The definitive guide to the vast variety of Electro-Harmonix Big Muff Pi pedals. This site has a ton of photos and component details, more info about the infamous fuzz pedal than you ever wanted to know.
I have the Small Black Russian model. What’s your Muff?
RT @theaudiogeek: New on AGZ: The Big Muff Fuzz Bible http://t.co/cfiqslwN