The DAD 7000 was my first CDP ,picked up in 1987.
In its day it was a very good CDP.Very solid..lots of metal no plastic.In fact, my brother continues to use it.
But as, so many other electronics,time has marched on and left this once wonderful CDP behind.
I doubt you could even get parts now.
Back in 1994 I had a chance to A/B it to a Cambridge Audio D500 se CDP.I could not detect any difference,if that means anything now.