I purchased my Edirol R-09HR a few months ago along with Core Sound Cardioid mics with the plain battery box (no bass roll off). Since then I've recorded twelve or so shows, mostly Southern rock, in various venues (outside, inside, under a canopy roof), from a wide array of seating locations (front row, balcony, middle/side of the venue), and have always used the same settings (CSC's clipped to shirt lapels and hooked to battery box then out to mic inputs, Input Level > 42, Limiter > ON, Plug In Power > OFF, Low Cut > OFF, Mic Gain > Low). I do all of my post editing with Audacity on a Mac. I've found the best recordings to be when I'm in line with the speakers stacks back about 30 feet so I always try to get seats (bad knees keep standing at a minimum) in that location. The worst recording I've had was from the balcony of a venue where the speaker stacks were pointed downward toward the floor standing audience. As with most folks here, I'm looking to learn more and have better results.
Any comments would be gracefully and constructively received. Thanks.