We sent our Trident's master section off for some rehab a while back, and being busy, we started mixing a project with a mackie inserted between PT and our Genelecs. It seemed like we were adding highs to everything, and not in small amounts. I tried routing the signal through the Mackie in a number of different ways, and they all sounded about the same. Finally, we tried eliminating the Mackie and went straight from PT to the Genelecs. Wow, was that ever a bright mix! The final temporary fix was to use the CR in and out on the Digi Command 8. I was definitely surprised that the Command 8 worked so much better than the Mackie. The master section is back, and the mackie has returned to the rehearsal room, where I expect it will continue to work for many years to come.