It sounds like the CD's where mastered a little on the "hot" side. I've noticed this with some of my older stuff. It's like the day of the cassette deck when we would record something with rec level above 0 db. The end result would be recorded distortion (saturation) that tends to make speakers sound bright and less detailed.

Just a thought..

M80's VP150 QS8's Earthquake SuperNova MKV-15
Integra DTR-7.4 Outlaw 755 Outlaw M200's Outlaw ICBM