This makes good sense. The problem is the unsupported Cb.

For anyone else reading, in another post by BillSincl, Peter Gannon explained that, at the time (21 years ago) when BIAB was being designed, technical limitations forced them to omit Cb, Fb, E# and B#.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.