I’ve heard a number of people complain about this very issue. So it’s certainly a widespread issue. How widespread?
@Ethosik (the gent I replied to) said that he tried multiple Studios all with the same issue.
Now, it sounds like some units don’t have this issue (yours). It’s great that at least some of the units don’t exhibit this issue. So that we make sure we’re on the same page, are we talking about the same fan whistle? Some people genuinely aren’t bothered by high pitched fans. Let me try to find a YouTube video.
Edit- Here you go: