Wait for Gogar or talk with the band's (or someone with experience) sound engineer to find what "they" use for just that purpose....do not "wing it" imo....do it "right" or don't. I used to be involved with blues festivals, etc. with lots of events requiring the whole infrastructure to be provided, years ago...that "wheel" is out there...probably a LOT better now...."clean power" may or may not matter....I dunno. Now I realize who I'm responding to though....
edited.....didn't read rockfan first.....oops....that's a first
