Mindbender Fuzz – Mojo layout

Mindbender Mojo 55a8981089c1

Really useful mods for the all-time classic, the Tone Bender MKII Professional. Mods add more volume and a trimmer for accurate biasing the germs among other things… From Fuzzcentral: Here is my modified version of the ToneBender MKII Professional, the MindBender. I decided to use NPN Germanium transistors for mine so that I’ll be able … Read more

Sekova FA-II Fuzz

Sekova FAII Fuzz efc77ac0711f

Check out Tonemachines blog post for this 1969 japanese beauty. Apparently, this is exactly the same circuit that can be found inside Apollo Fuzz and Crestwood Fuzz boxes… The circuit uses “positive ground” with PNP Ge transistors. Mind the power supply or use a charge pump. Now verified. Different transistor models/individuals will affect the output … Read more

Boss FZ-3 Fuzz

Boss FZ3 Fuzz 1e21026541f1

I recently got a Behringer clone of this one in a trade for free and thought i’d check the schematic out. Turned out a little simpler than expected with a few nice, quite interesting things in its topology. There’s basically a buffer driven by transistor, which drives something not completely unlike a fuzz face. After … Read more