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I just stuffed my box with about 2-3lbs of polyfill, its a single 12" JL W3-D4, after putting in the polyfill i cant tell much of a difference but it does sound a lil louder and deeper...But now the lights dim somewhat, how could putting in polyfill do this?

 
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Self-induced psychosis ...... haha .... i think thats how mohawk puts it ....

 
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well what polly fill does it tricks the subwoofer into thinking its in a bigger box there for it hits lower and maybe even harder causing your amp to worka little more and little harder causing your lights to flash and dim and look like a night club[IMG]i/expressions/face-icon-small-smile.gif[/IMG]

 
Rep Power: 337

nope, polyfill doesnt cause dimming, it was always happening, you just didnt see it before, i guarrantee you.

if it didnt, then there was a setting, you turned the gain higher, your playing the woofer louder than before, but polyfill alone i guarantee you will not make your lights dim if they werent already dimming.