I've put the original tweeter back in, the horn sounded good at low volumes, but at rehersal volume I found that because it was not a perfect fit, it seemed to chuff a little with the air escaping around the sides, probably because theses things create so much internal pressure air leakng from places that they shouldn't do is not a good idea, anyway the original tweeter is back in and I just turn the VLE up a little to eq out the hiss, this is still a brill combo, I've got through a hell of a lot of high end combos over the years, and regardless of the annoying tweeter, this is still one of the best overall packages.....particularly when paired with the NY extension combo, maybe when Mark bass do their next upgrade they will allow you to control the tweeter like you can on the extension cab....