Catalinbread
Catalinbread WIIO
The Catalinbread WIIO is a Hiwatt amp emulator specifically going for the sound of Pete Townsend’s Hiwatts on the Live at Leeds album. (Throwing this and a Univox SuperFuzz in the same box would be a must if you’re a big fan of the Who…) The topology of the circuit (cascaded MOSFETs) is similar to … Read more
Catalinbread VariOboost
Here’s an older design from Catalinbread, but an interesting design as usual. It’s a preamp/boost with a wide range of tone shaping capabilities. Schematic can be found here.