Here is as quick a demo I could throw together which still meets my minimum quality requirements.

Opening a BIAB .mgu/.sgu file in BIAB VST in Reaper should be a simple as it can get. So take a look at my setup and see if you notice anything different from yours.



Dan, BIAB2024, SoundCloud Win11, i7(12thGen), 32GB, 1TB SSD(M.2 NVMe SSD), 2TB Libraries, 1 TB(WD-Black), 2TB SSD(M.2 NVMe SSD)Data, Motu Audio Express, Keystation 61, SL88 Studio, Reaper