i have Pioneer DV610 dvd/cd players. audio analog output is NOT good, per my taste. tapped the digital signal and hooked to a relatively inexpensive external dac [superpro 707 usb dac].. viola !! very good audio SQ !!
audio/music CD => Pioneer DV610 => digital signal => external dac => analog signal => vacuum tube equipped Class A preamp => s/s dual mono Class A amp => transducers (Dynaudio Confidence C1)
YMMV