I wanna say the Edge used a Memory Man alot, but I may be wrong. That modulated sort of echo is a Memory Man I think.

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---My Rig---

1994 Fender American Strat w/Vintage Hot Fralins, 1983 Fender Telecaster->Dimebag Wah-> Mesa/Boogie Nomad 55 4x10 in Emerald Bronco w/ Tan grille

Looking for: Line 6 DL-4, Keeley Compressor