I've got a Zoom MS-70CDR [multi-effects] pedal, and a few people are saying not to use it via an aux send and return, owing to a comb-filtering issue. Have you noticed this issue with digital pedals on aux returns?
I have just bought an old spring reverb unit called the Great British Spring off eBay. It sounds great but if I feed any drums through it, it makes a weird 'ping' sound...
I'm looking for a decent stand-alone Leslie-style rotary speaker effect, mainly for use with keyboards, but also for guitars. Can you offer any suggestions?