I really enjoy this Fuzz pedal. Very tweakable with 4 controls + internal trimmer. Can be run on a 9V battery. You can get classic Fuzz tones, and more modern ones, always remaining relatively smooth.
It is not an aggressive sounding pedal (like the Carcosa can be made to sound) and it certainly is *not* voiced like a Big Muff. More like a tweakable Fuzzface. Build quality is excellent.