Your problem with the highs on the 2.5's really puzzles me. I have the 2.5's and have never had them come even close to sounding too aggressive. Different strokes, I guess. I've used tubes and SS, Harmonic Tech, Cardas, and Valhalla speaker cables, digital and analog sources, you name it.
However, when I measure my system with the TacT room correction unit, I do see a rising top end, so maybe...
However, when I measure my system with the TacT room correction unit, I do see a rising top end, so maybe...