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<blockquote data-quote="jdc753" data-source="post: 3113281" data-attributes="member: 572078">No one else has responded yet so I guess I will give it a shot.My best guess is that the sub is bottoming out. First question is do you have a subsonic filter on your amp? With the sealed boxes its hard to run into this problem cause the sealed air in the box acts as a suspension only allowing the sub to move so far, but with a ported box you loose that natural suspension and run the rist of throwing the sub too far. The box seems to be about as big as kicker recomends (least for the new CVR&#039;s I think they are similar) I&#039;m guessing between your tuning on the box and the volume that you are bottoming out the sub.I guess I would recomend turning on the subsonic filter if you have one and setting it to around 32-33 where your box is tuned to, and then start setting the gains properly for the correct box. The Bass filter on the HU shouldn&#039;t really effect this issue, as it limits the frequencies on the upper end of the range, and the subsonic will limit them on the bottom of the spectrum.</blockquote>

[QUOTE="jdc753, post: 3113281, member: 572078"] No one else has responded yet so I guess I will give it a shot. My best guess is that the sub is bottoming out. First question is do you have a subsonic filter on your amp? With the sealed boxes its hard to run into this problem cause the sealed air in the box acts as a suspension only allowing the sub to move so far, but with a ported box you loose that natural suspension and run the rist of throwing the sub too far. The box seems to be about as big as kicker recomends (least for the new CVR's I think they are similar) I'm guessing between your tuning on the box and the volume that you are bottoming out the sub. I guess I would recomend turning on the subsonic filter if you have one and setting it to around 32-33 where your box is tuned to, and then start setting the gains properly for the correct box. The Bass filter on the HU shouldn't really effect this issue, as it limits the frequencies on the upper end of the range, and the subsonic will limit them on the bottom of the spectrum. [/QUOTE]

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