Let's look at the guts from an old Big Muff!

Click following photos to enlarge.



Yee Haw!


The green caps are unoriginal. I can't remember what they were to begin with.


Yea, I know. A freaking mess!


I don't think the pots are original!!!.


Insulating crap unoriginal.


Make one!


Schematic





This pedal was purchased from a Goodwill store for one dollar. It did not work.
Some of the traces were messed up. Now it works and sounds pretty darn good.