This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.

Friday, February 17, 2017

D*A*M/Emanating Fist Black Dust

For Fuzz Friday here's another take on the classic Colorsound One-Knob Fuzz by Emanating Fist Electronics (a sister company of D*A*M). It's fairly similar to the D*A*M Meathead, but with a few value changes. Here's the schematic:

Note that in earlier versions of this circuit, R4 is replaced by a 20k trim pot. So the value there may need to be tweaked.


  1. Hey I have a general question about the potentiometers and their marks on this website. Which of them are linear, logarithmic or rev-log? A, B, C?

    1. A=log, B=linear, C=rev. From my understanding, that's pretty much the industry standard nomenclature.

  2. Im very new to building guitar pedals and reading schematics. Could you share a wiring layout for the potentiometers and the jacks? Are you using mono or stereo jacks?

    1. Check out the General Layout Notes tab at the top of the page.

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