Boss Ds 1 Keeley Mod Schematic. I did add a switch to go between silicon diode. Most people are immediately disappointed.
I did add a switch to go between silicon diode. Web keeley's sem ultra was probably one of the first boutique pedals i ever bought well over a decade ago. When the pedal is on, signal travels to q6, through c3 and into a transistor gain stage.
My favorite use of the box is. It's still on my pedalboard. Web i would have a go at modding it (keeley mod etc.) but i can't find info on what parts to substitute in relation to this schematic.
Most people are immediately disappointed. I demo some tones on a stock boss pedal through my peavey classic 50 tube am. Web keeley's sem ultra was probably one of the first boutique pedals i ever bought well over a decade ago.
