K12: resonance rattling

K, KW, and KLA Series loudspeakers

Moderators: Cameron Shoffner, Christian Cook, Kirk Fyvie, Martin Barbour, Gary Evans_QSC

Mon Aug 15, 2016 11:33 am

  • Hello!

    My K12 Loudspeakers began extremly to rattle when playing deep Notes (e.g. empty E-String on guitar). The rattling ist really loud, even louder than the speaker itself.
    I also noticed that the fan isn’t working anymore, maybe there is a connection between these problems!? The speakers are around 7 years old and since there is also no service center nearby (in eastern germany), I want to open the Amp module by myself and check whats loose inside and also maybe replace the fan.
    Could someone give my some directions on this? Maybe I could switch the fan with a compatible, high-quality after market solution, so the fan‘s specs would be nice.
    Help is really appreciated! Thanks in advance!

    Posts: 1
    Joined: Sun Aug 14, 2016 3:13 am

Mon Aug 15, 2016 2:29 pm

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