Month: September 2019
Univox/Shin Ei UD-50 Uni Drive w Aion “Monad” mods
This one has been modified for regular stompbox use and more useful controls. Also a feedback trimpot has been added to achieve more gain on tap. Aion’s Monad projects suggest a 10k trimpot but I suggest a much larger value to be able to turn it into a heavy high gain fuzz.
DOD FX91 Bass Overdrive
Always need more bass effects, right? This was one of the first bass ODs to have a clean blend. Should be an easy fit in a 1590B. Here’s the schematic for reference.
Keeley 1962/1962X
*Edit 20190915* Now a verified layout of Keeley 1962/1962x. The only difference between them is LED or MOSFET clipping in the feedback loop. So the switch alter between 1962 mode and 1962x mode. Schmidse noticed a couple of errors in the layout, a resistor and a cap across pin 6 and 7 of the op … Read more
