Thanks for all the responses and I apologize for the delay in getting back with you. Besides the P150 pro amp I have the following in my system:
Violetric V281 preamp/headphone amp
Usher Dancer Mini-X DMD speakers on sound anchor stands
Gustard A22 dac with U18 DDC and a C18 master clock
Onkyo C-7000R CD player
Rega RP6 turntable / Onkyo P-3000R preamp for phono
Solid silver bi-wired speaker cables and interconnects
12" Jamo subwoofer