I used to yell at the teachers to turn off the TVs when they were in standby mode because of that whine.  They couldn't hear it, and either my classmates often couldn't or they had grown used to it.  <br><br>I'm in my late thirties now and that last 10 seconds was painful.  So that's reassuring....,(reply>), mod prime Wear hearing protection and you’ll do much better than others in preserving your hearing.