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Excuse the poor quality video. I did it more so you can hear what it sounds like than to hear what is going on.

It makes this sound, moves less for a fraction of a second, then goes back to playing. It does it only at certain notes (and it's not bottoming out)

Ideas? It's a level 5 15 w/ reinforced surround, 2 extra medium spiders

http://www.youtube.com/watch?v=7s67rAXXYgs

Edited by SnowDrifter
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i have seen this happen when the sub is going below box tunning and theres no subsonic control set on the amp,does it happen on all music, is your box ported, and what is it tuned to , also do you have a subsonic filter? could posibly playing a frequency a good bit below box tuning.

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Almost sounds like tinsels are shorting.. check them and or speaker connections..mite be amp or rcas also

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i have seen this happen when the sub is going below box tunning and theres no subsonic control set on the amp,does it happen on all music, is your box ported, and what is it tuned to , also do you have a subsonic filter? could posibly playing a frequency a good bit below box tuning.

Ported box tuned to 30hz, the noise making note is at 32 hz, and subsonic is set at 25hz if that's any help

Edited by SnowDrifter
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my sub did that once. sold it to a girl who beat the living shit out of it (including blowing the amp she had for it) and now it plays better than ever

soooo... :shrug:

sorry i wasn't more helpful

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sounds like you possibly got coil rock...make sure your triple joint (where the former, spiders and cone meet) is all intact, make sure your spiders didnt come off the landing...

honestly i think its the spiders came of the landing causing them to slap the landing when playing and they need to be re-glued down. pull the sub out of the box and push the cone up from the bottom and see if anything looks out of place...sounds like an easy fix to me.

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