I did not actually time it.. so maybe I'm off. This was with the Shanling T200 that I was looking at in one of the local shops. It also did just as described above and stoped once it read the content so you had to wait while the read process was going on. The waiting is what made it seem like a long time. This was with an SACD..I'll have to try it for redbook. it actually uses the Sony KHM-2334AAA drive.
