Does anyone out there NOT hear a difference in CD

Music is an art.

Recording is an art based on science

Audio is mostly a science.

A successful system is one that works well as a whole and consistently allows the key elements of the recorded art to shine through and produce enjoyment, despite the inherent technical flaws accumulated via both recording and playback during any particular listening session.

Well said Mapman!

Going from a Marantz SA 8005 to an SA-10 was a good change. More refinement. Less grain and glare. There is some analog smoothness in the tonality on most discs