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Message: <blockquote data-quote="Volenti" data-source="post: 6077994" data-attributes="member: 566487">First, don't use polyfill in an attempt to "make a box larger", it does effect the subs response, just not in the linear make-box-appear-x-larger way that enclosure guides say.Second, don't use polyfill in a ported enclosure unless it's just a thin layer attached to the walls, polyfill damps (reduces) resonance, and ported boxes rely on resonance to work...Polyfill can improve the SQ of a ported enclosure that is built too small or ported too high, but pales in comparason to actually building it the correct size and tuning it properly in the first place.In short, if you aren't building a sealed enclosure, don't concern yourself with polyfill.</blockquote>

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