Not possible to change sample rate as we are syncing from our audio console. So we are locked at 48k
I did try increasing the buffer with no result.
This exact set up worked (and still works) using our old MAC mini. We copied all the settings & gig files from old to new, and verified the patching is accurate in soundgrid studio.
Well, it’s great to know that the problem is solved but what a headache with Mojave.
I’m most certainly not going to remove this thread. It will be very useful for others who run into the same problem and I’m glad you took the time to let us know.
Indeed - thank you for letting us know and, as @dhj already said, there’s value in this thread being here and possibly helping others who run into the same issue.