Swell
Wyllie Moonrock
One of the more innovative fuzz designs out there. This is a quite a crazy octave up fuzz in the vein of Octavia and Scrambler with the Offset control dialed up. Roll it back for less octave and a pronounced swell effect.
DOD FX15 Swell Pedal
Requested and verified by AlexS Original is a buffered effect with input and output connections wired straight to input and output jacks. But you can add a bypass switch, just connect input and output connections to the switch.
Paia 5730 Gator
Here is a great sounding Attack Delay / Noise Gate / Swell pedal. I’ve used a more common LM13700 instead of LM3080. You can find original project and scheamtic here. I could not find any videos for this effect but there are some sound samples available here. The original effect uses a momentary SPST footswitch. … Read more
Prescription Electronics Experience
Here is the well known Prescription Electronics Experience, a Foxx Tone Machine with extra switchable Swell effect. Octave & Swell Switches Diagram: