@Jerry Gerber
The LoopBack works fine here, however, the recorded mix does not line up exactly with the track; its about 65 samples early on my system.
Kind of strange. Sync has always been "spot on" for me, but maybe both Cake and the RME driver are "compensating".
I don't LoopBack when bouncing a mix/master. I "bounce to track" from the MASTER buss.
Like this:
As you can see all tracks are selected, and when the "bounce prompt" comes up I select the MASTER buss as the source.
Cakewalk will create a new track, but I always create a track before I bounce and name it appropriately.
HTH,
t