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What determines the best type (sealed, vented, single or dual reflex bandpass) of enclosure for a particular woofer?

April 26, 2017bandpass best dual Enclosure Reflex sealed type vented

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What determines the best type (sealed, vented, single or dual reflex bandpass) of enclosure for a particular woofer?

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Generally speaking, there are some speaker specifications that lend a driver to one type of enclosure over another, although many drivers are suited to more than one type of enclosure. These are generalizations and are NOT cast in stone!! Woofers that perform best in sealed enclosures (or single reflex bandpass) usually have a lower FS, slightly higher QTS and more X-max than woofers designed for vented (or dual reflex bandpass) enclosures. There is also a formula to calculate what is called the “efficiency bandwidth product” of a particular driver. The EBP of a woofer can be used as a guideline for the enclosure type. It is calculated with the formula: EBP in the vicinity of 50 or lower indicates a sealed enclosure, while EBP of 100 or higher indicates a vented enclosure. Again, these are suggestions only.