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Message: <blockquote data-quote="stanky1219" data-source="post: 6935053" data-attributes="member: 620164">i've heard that poly-fill will in a sense trick the driver into performing as if it were in a larger box. is this true? if so , would poly-fill in a .9 cube box make it sound closer to a 1.25 cuft box?the reason is i got me a jl 12w1v2 in a .9 cube custom-fit box from a friend for helping him build his first slot ported box and the sub actually needs a little bigger box , but i like the looks and fit of this box , but it's lacking low end response. will the poly-fill make a noticible difference?</blockquote>

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