Hi @Albert-Philip_Burger — Thank you for the report and sharing your feedback with us. I have went ahead and moved your post out to it’s own thread so we can address this behavior with you directly 
Moving forward, may I very kindly ask you for the following:
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An expanded description of your current setup, using this link as a guide.
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You mentioned the following in your report:
“…although I can say it is not related to any specific audio setup, as it also happens when the Mac is not connected to anything.”
- Can you please provide some further insight into the above comment(s).
-Eric