The entire fuzz pedal niche is mostly based on variations on five or six vintage fuzz circuits (as you can read in our super comprehensive article about fuzz types). Considering the sheer yearly output of fuzz pedals, it seems like there's an underground world of engineers constantly modding those circuits in the hopes to come up with something that's at once classic and new: the MXR Hybrid Fuzz is a noteworthy child of this process.... Click on the title for more