That is why you audition products. We have seen this over and over again, the 818v2 *is* a better the source than MS600. Even with a Vivaldi stack you can clearly hear a benefit playing through the dedicated CD-transport instead of higher distorsion sources. The source matters and will continue to do so until a technical paradigm shift happens.

DSP8000SE, DSP7200SEHC, DSP5200SE sides, DSP7200SE rears, 861v8, 210, Sim2 Ultranero 4, Stewart Cinecurve 2.35:1, XEIT CM-5E Anamorphic lens, Dune HD Duo Cinema 8K and Wireworld Platinum 48G HDMI -> UHD722 -> Shunyata Omega Ethernet. Shunyata/Furutech power-cables/filters. SR Master Fuse@861v8. Uptone Etherregen with 10MHz OCXO clock.