…no VoiceMeeter, please. it induces latency and drops out if you go to 128 samples or so. You are forced to use it with its engine as a ASIO device from Cubase… 
How to capture high quality sound during the working process?
there might be better ways to reroute. Just an idea: Die someone try a loopback with the RME Fireface? Could be a solution, but not experienced yet.
THX very much
BX