Update: I tested out a whole bunch of DACs next to mine, and that was the problem. The PS Audio is a very resolving, detailed DAC in the $1k+ value range, but it cuts off the low end for the sake of that great high end, mid range and detail.
Not the entire problem...my speakers are also biased towards vocals and high end, so I think it was just too many components working at the high end and they just didn't balance each other out. I think the DAC would be very good for speakers that have good bass. For now, I'm going to keep my speakers, sell the PS Audio and get Jolida tube DAC. At least until I can justify getting the Chordette QuteHD, which was amazing.
Thanks again for all your help!