Selected Schematics - DIYstompboxes Arbiter. Fuzz Face (Guitar Related Circuits) OK! Check out this article on Guitars, Amps and Effects! Also a modified Fuzz face from the same site. Check out my common asked questions page for where you can get germanium transistors for this pedal. Here is an article on how to test those germaniums for use in the Fuzz Face Check out Oskar's Fuzz Face Tour. Coda Effects - Ultimate guide to guitar effect wiring: how Moreover, the wiring step is often the root-cause of many errors and mistakes that prevent your pedal from properly working, making guitar effects making really frustrating at the beginning. In this post, I want to show you how to make a good wiring, and what you can do to avoid mistakes.