dirtboxlayouts
The Gristleizer
Quite wild voltage controlled modulation and filter circuit by Roy Gwinn dated back in 1975. The most famous user was probably Chris Carter from Throbbing Gristle. Some mods have been done for this layout to make more compact and reduce ticking and hiss which is a common problem. Many thanks should go to mictester from … Read more
Mr Black Doom Stick 2
Schematic and PCBs is avaiable at PedalPCB which also traced this pedal. Layout is verified by AlexS
Maestro FRB-1 Full Range Booster
With added voltage doubler since original units had two 9v batteries.
