iMac speakers crackling after Mavericks update

Discussion in 'iMac' started by dizzy960, Oct 27, 2013.

  1. dizzy960 macrumors newbie

    Sep 17, 2012
    Since updating my early 2013 iMac 27" to OS X Mavericks whenever I play audio (especially music) through the speakers or headphone port there is a crackling distortion to the sound, this is most apparent on mid to low notes. I believe this to be a software problem rather than a hardware problem as I did not experience these issues in Mountain Lion before updating to Mavericks. Any help would be much appreciated thank you.
  2. boombox15 macrumors regular

    Jun 17, 2013
    Cedar Rapids, Iowa
    My 21.5 inch iMac does that to, but it's barely noticeable. Looks like it should be fixed in a future software update. 10.9.1 or 10.9.2 should do that.
  3. bp1000 macrumors 65816

    Jul 7, 2011
    Can i check that this happens just with music and not when the screen brightness is down low?

    Mine crackles intermittently with low screen bright - the sound emanates from the bottom left, randomly.
  4. MikeChicago macrumors member

    Sep 30, 2013
    Interesting... I've had some sound crackle during gameplay on some games under Mountain Lion which were resolved with Mavericks... I guess I have the opposite outcome. Weird.

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