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Sub Fluttering Sound

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Old 05-13-2015, 05:53 AM   #1  
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Join Date: May 2015
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Angry Sub Fluttering Sound

OK so I just recently installed 2 10" Pioneer TSW 251F sub woofers in my car. I am also using a KAC-8452 amplifier. But for the life of me I can figure out where the fluttering is coming from. I have adjusted my LPF more than once in hopes to try to eliminate it the only thing I can do is lower the volume. What do you think I should do to fix this I am still a newb with this kind of stuff. Your responses are greatly appreciated.

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Old 05-13-2015, 02:12 PM   #2  
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It could be lack of ventilation, those cones move quit a bit when the volume is up, it could be that you need to add an appropriate sized vent somewhere where you have them installed.

If the location is in an inclosure meant for that size woofer then try an old installers trick, tape a small strip of tissue paper over the vent, then turn up the volume, the paper should follow the sub sounds fluttering back and forth a bit.

If it is excessive then the vent needs to be bigger.

You didn't mount them in the same box/location did you?

And how are they connected, in series or parallel?
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