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What is the minimum clearance needed behind a subwoofer drivers in a shallow box?

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  • What is the minimum clearance needed behind a subwoofer drivers in a shallow box?

    Is there a standard rule as to how much distance is needed behind a subwoofer driver in a cabinet? If you are aiming to keep the cabinet as shallow/thin as possible how much clearance is needed behind the driver? Ex: If a 12" driver mounting depth is 5.75", would an 8" deep cabinet work as long as the height and width provide enough volume for the tuning you need? What will happen if there is not enough room behind the driver?

  • #2
    The only concern is leaving enough room for a vented pole piece to breathe. The same distance as the pole piece diameter is sufficient.
    www.billfitzmaurice.com
    www.billfitzmaurice.info/forum

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    • #3
      Have you considered shallow mount drivers? I made a box 5 inches deep with 1 of those.

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