Originally Posted by watchnerd
Yeah, but that's a turntable. It's obviously susceptible to vibrations.
It's not obvious why a well-built DAC would benefit from vibration reduction in any normal home setting.
Crystals that may be used for a DAC's clocks are piezoelectric, and can turn mechanical vibrations into electrical signal, so in theory, there is a physical mechanism for inducing jitter with vibration. Whether such a thing is important or even audible is another question entirely ... The Mark Levinson 30.5 DAC suspended its clock circuit board on rubber bands, and an old tweak to CD players was to put rubber dampers on their crystals. Rotel CD players even came from the factory with little gummy sleeves on their crystals!
Again, the audibility of this is questionable, but it's certainly been out there for a while.