Although Lo-fi is in vogue these days, to consider Caroline Guitar's Somersault low fidelity is an injustice. It's pitch may waver, there may not be a sine wave in sight but this is all perfectly accomplished. Nothing sounds "broken" here or is reminiscent of an effect brought back by nostalgia.
It is a perfect vibrato. It can place you on a sonic wave in triangle mode or create a unique tremolo, one that actually changes pitch within a square wave.
While the digital chip sets the delayed wet signal, the initial gain stage, dry signal, LFO, control set and output mixing stage are entirely analog.
Controls the time difference between the modulated and dry signals
Sets the rate of the oscillation sweep
Sets the intensity of the wave on the modulation line
The MIX control can go from completely dry (counterclockwise) to completely
Selects either triangle or square waves
Alows for full range sound or high-end cut on the wet signal
Removes the Speed control from the equation , maxing the rate on demand.