Jack, I want to be sure this point is clear: You are using the BIAB Plug-in, correct? And the problem you describe occurs using this plugin in Reaper?

This point is important because many of us do not use the plug-in and there is a different forum where you might get better success.

https://www.pgmusic.com/forums/ubbthreads.php?ubb=postlist&Board=117&page=1


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.