#1
I need an expression pedal to go with the Whammy option on my RP-155.

I'm thinking this: http://www.musiciansfriend.com/amplifiers-effects/moog-ep-3-universal-expression-pedal

Because it's cheap and seems to do work. I need the sweep to move fast, since I'm using it for a whammy.

I'm seeing some people have issues with the polarity switching, or something along the lines that it works backwards.

Any suggestions/help? Thanks C:
#2
Should work yes.

And it has a polarity switch, so you won't have any problems with that.
Name's Luca.

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