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subsonic filter?
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<blockquote data-quote="JimJ" data-source="post: 605099" data-attributes="member: 555251"><p>no sub should be run truly "free-air", unless you're testing it or something. I think you're confused with infinite baffle, which really is seperating the rear and front waves of the sub, just making the sub think it's in free space.</p><p></p><p>When you play low notes below tuning, the enclosure no longer provides any control over the suspension, so the sub has the potential to "unload" and play uncontrolled - this is very bad, no matter what sub it is. If you play 18Hz test tones to an L7 enclosure tuned at 45Hz, the sub will not like it - not one little bit.</p><p></p><p>Get a SSF.</p></blockquote><p></p>
[QUOTE="JimJ, post: 605099, member: 555251"] no sub should be run truly "free-air", unless you're testing it or something. I think you're confused with infinite baffle, which really is seperating the rear and front waves of the sub, just making the sub think it's in free space. When you play low notes below tuning, the enclosure no longer provides any control over the suspension, so the sub has the potential to "unload" and play uncontrolled - this is very bad, no matter what sub it is. If you play 18Hz test tones to an L7 enclosure tuned at 45Hz, the sub will not like it - not one little bit. Get a SSF. [/QUOTE]
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