Many thanks, Larry. Yep, not optical.

I have an old Roland Fantom XR and an old spare Focusrite 6i6 first generation, so I've been able to replace all my equipment to test using something else and try to isolate the problem device. Still have the tech support stumped.


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; Presonus 192 & Faderport 8, Royer 121, Slate VSX, Adam Sub8 & Neumann 120 monitors.