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<blockquote data-quote="kr15" data-source="post: 8639638" data-attributes="member: 620194"><p>Vented spl will be louder over a much more narrow bandwidth. Full on burp boxes can often only play about a 3-5hz bandwidth, sloping off quickly. It is driver dependant however. I was using a pair of custom 12s for a while, that had a loose gap, with modest motor force and slightly high Q as they were built for a 4th order. They ended up liking a normal size box for spl, just tuned close to cabin resonance. Those 12s did 153.4 legal, clamping 4k.</p><p></p><p>But an SQ enclosure is quite the opposite. You want to get a nice flat, usable bandwidth. Whatever it ends up being for your personal desires. Perhaps 25-65hz for example. A narrow bandwidth box is the opposite of what you want</p></blockquote><p></p>
[QUOTE="kr15, post: 8639638, member: 620194"] Vented spl will be louder over a much more narrow bandwidth. Full on burp boxes can often only play about a 3-5hz bandwidth, sloping off quickly. It is driver dependant however. I was using a pair of custom 12s for a while, that had a loose gap, with modest motor force and slightly high Q as they were built for a 4th order. They ended up liking a normal size box for spl, just tuned close to cabin resonance. Those 12s did 153.4 legal, clamping 4k. But an SQ enclosure is quite the opposite. You want to get a nice flat, usable bandwidth. Whatever it ends up being for your personal desires. Perhaps 25-65hz for example. A narrow bandwidth box is the opposite of what you want [/QUOTE]
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