Jbl Eon 515 Eon515 15 Powered Portable Speaker PA Dj Logo

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johnny bell Posted on Apr 30, 2017
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Eon 515xt - the 3 volume buttons move in and out about 1cm..is this normal or has something come loose inside?

...so the 3 volume buttons on the eon 515xt's seem to have a movement of about 1cm back and forward- we have never noticed this before. Both speakers do this which makes me think that it is normal but I am still concerned as there seems to be no reason for this- they dont retract far enough to be out of the way nor do they lock in place when pushed. There is no sponginess when pushing them to suggest that they are hanging off on a circuit board nor is there any electronic crackling. is this normal (there is no word about it in the manual)..thanks johnny

  • johnny bell
    johnny bell Dec 16, 2013

    sorry to clarify..by "1 cm back and forward" i mean 1cm in and out ie you can push them in and out.

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1 Answer

Phil Whisenant

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  • Expert 163 Answers
  • Posted on Feb 20, 2018
Phil Whisenant
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Sounds about right to me. I have 2 eon G-15s. If you don't hear any cracking sounds you should be ok.

I’m happy to help further over the phone at https://www.6ya.com/expert/phillip_293d34ebcf028794

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Fred Yearian

  • 5603 Answers
  • Posted on Aug 12, 2011

SOURCE: Our sound system runs two

More than likely you have lost the speakers... You sent TOO much power to them and likely the voice coils have heated and distorted and are rubbing the pole pieces and hanging up on them. If the voice coils now short some of the windings, next you will lose your amps as well. If you can access the cones, you can try gently moving them in and out with your fingers and you can feel the voice coils rubbing sometimes. REMEMBER ALWAYS check the RMS rating of the speakers against the RMS ratings of the amps... DO NOT fall for the "advertising" things of "peak power" and "program power" ratings... these numbers are to sell equipment... Use RMS continuous ratings when sizing amps to speakers. Typically the RMS continuous ratings are 1/3 of the peak or 1/2 of the program ratings. You will find amplifiers rated either way so you have to dig out the real ratings. In bridged mode the full output of both halves of the amp work together. Your speakers are rated at 1600 Watts continuous... I am not sure I believe that number even... you would be deaf in front of that quickly... Your amps appear to deliver 5000 Watts RMS in bridged mode... over three times what the speaker is rated at. Since you have the amps, set one aside and run each speaker from one side of a single amp NOT using full gain AFTER you get the speakers re-coned. I would recommend putting a fuse in the speaker lead to HELP protect the speakers when repaired.

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