Oh! this post is old but anyway I will answer regarding my experience.
Im kind of new with the DR05 my previous portable was a R09HR
So, with the DR-05 taped like 3 gigs, the last one, the result was in the verge of clipping, the meters were at 12, and the peak light? yes, blinked a few times, so, for the next concert I read the manual and used the LIMITER function, seems that it worked with the new recording, levels at 12 and no clipping
I used OKM II R mics, Low cut was not used
have you found a solution or recomedation?