i've just finished my easy vibe, could'nt belive it when it worked first time.
I wanted to build a univibe, being a hendrix fan but that looked to complicated, but one thing is missing that made sound even more amazing when hendrix used it, and that is the speed pedal, i cant find one even dunlop dont sell one with there reissue.
The only thing that i can think of is putting it into a wah
leon c
You could use a volume pedal if you have one. Use a marshall-style jack (the one with the SPST switches on each lug) and use that to plug in the input or output of a volume pedal, not sure which. That way you just bring the speed pot outside the box ;)
Try an old volume pedal, i put mine right into the box :D
http://server6.uploadit.org/files/jjucius-Top.jpg
its got a vibe a fuzz and an octavia.