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Message: <blockquote data-quote="BrianChia" data-source="post: 3733421" data-attributes="member: 576132">It depends on the driver. Sub X may reach its potential in a bass reflex design. Sub Y may reach its potential in a 4th order bandpass. Sub Z may reach its potential in a 6th order. No enclosure is superior to another. It depends on the driver, the vehicle transfer function, resonant frequency, the enclosure design etc.What a bandpass design does is use port resonance to control cone excursion. A bass reflex controls excursion near Fs with a single port. A 4th order controls low end excursion by loading the driver in acoustic suspension while the port controls high frequency (above the passband) excursion. A 6th order uses ports to control overexcursion at both ends of the passband.</blockquote>

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