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Message: <blockquote data-quote="audioholic" data-source="post: 2172500" data-attributes="member: 549629"><p>Vented enclosures have a natural bump in output near their tuning frequency. Yes you can tune low so as to keep that bump as low in the spectrum as possible (less noticeable at 30hz than at 50-60hz). The problem is a vented box will still have this spike. It will also have a rather steep roll-off below the tuning freq. The gradual roll-off provided by sealed boxes actually matches the cabin gain of most vehicles pretty closely, leaving a fairly flat in-car response, well below where the vented enclosure would be unloading the sub.</p></blockquote><p></p>

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