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I have a pair of new Alesis Elevate 3 active monitors and the right one emits a faint high pitch whine. It's coming from inside the speaker, probably from the amplifier circuit. Any ideas what may cause this whine and if it can be fixed? Gonna open it up tomorrow and see if it's anything obvious.

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  • Joey May 13, 2014

    I found the problem, it's a capacitor that sings. I'm going to replace it with a slightly (physically) larger one and hope it doesnt resonate.

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Have you tried some hot glue to dampen the caps body? Plus this will reduce the internal vibrations from the speaker cones which can eventually vibrate components loose.

Posted on Jun 04, 2014

  • Joey Jun 06, 2014

    I tried with some epoxy but that didnt help. I didnt have any hot glue, and maybe the epoxy was too hard. I still havent tried changing the cap.

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