Happy Pi day! The day calls for at least some version of the Big Muff Pi, so here's the Supercollider. I think Cody's asked me to lay this one out like 3 times and I finally remembered to do it. haha This one follows the basic Green Russian Muff with a few component value changes. There's also been a Mids control added to the tone stack and a Mass control that pans between 2 different capacitors at the input. For the Mass control, originals use a B100k pot and a 10n capacitor off lug 2, but Kit Rae suggested using a B150k pot and a 4.7nF capacitor instead (and that's reflected in the layout). His schematic can be found here. There are versions of this pedal out there that include a switch for silicon or LED diodes. I'm assuming that much like the Pharaoh, this option is for the diodes in the 2nd gain stage (1N4001s in the layout below). If you want the clipping switch it won't be hard to wire that off board.
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