Hello Roc doc > very nice clean looking system!! > Those digital nasties, that's vibrations getting to your CDP, pre, and amp!!! Try isolating your gear the results might surprise you!!! > When I put AQ Sorbagel under my pre I was shocked by how much cleaner the sound became the leading edge hash (harsh digital sound) became minimal > You can try it relatively inexpensively on the Bay under Audioquest seller "dang-good-stuff" Hemisphere Big Feet 30 D > Some point under the CDP will help you hear what your CDp is capable of before spending $$$$$ I switched out a lot of gear before I learned this !!!