thanx Scott, lots of info here Scott Hansen wrote:
i do think that when you get multi-effect unit-the delay in it, is sort of a bonus if it has any features that can be exploited. they are usually pretty basic.
basic would do it, but loooong, and at least to do something v.close to FB=100%
if you're needing a long delay i would think just going w/ the boss dd20 (23 sec) would be worth it.
hoping to find something that has a swell pedal attached.