Hello Barry,
As you no doubt know, there are a ton of variables at play with your gear/ system that could cause your perception of “rolled off at the extremes”. Cables, speakers, room, etc all work in harmony/ or not, and can lead to softness, hardness etc. I have the C-2900 preamp into a P-7500 amp and with either Sonus Faber Maxima Amator or ATC SCM40 speakers, the sound is never anywhere near what I would call rolled off. I ordered a DP-770 (hopefully arrives soon) and I’m really looking forward to completing the Accuphase stack. I’m blown away by Accuphase gear but have learned in this system, just like any other, that cables definitely matter as well. So maybe you can get some air and extension by different cables. Just a thought. I would stick with Accuphase because the gain will be perfectly matched.

