The Swell Delay is an analog sounding digital delay with a very fun and expressive foot-controllable swell feature (via momentary foot-switch).
Controls are: Delay Time / Repeats / Mix / Swell Rate (ie how fast the swell happens)
Max delay time before some noise is 500-600ms
Every Mattoverse Electronics pedal is handmade in limited, numbered quantities, in Wisconsin, USA and feature:
True Bypass / Neutrik Jacks