I know a lot of people comment on the highs and high mids on the Traynor here on talkbass. I just don't hear it...probably hearing loss.
I run the mids full up, trbl about 5ish and bass about 5-7 (these vary by room). I leave the tweeter set at a quarter or less. Range about 4 or 5. I like the preamp gain at 5, and master volume as needed.
I also use passive basses with flats, so that might be another factor in why I don't get bothered by the highs.
I love this rig