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    box volume and effects on a subwoofer

    right now my box is 7.66 cubic ft, and is tuned to 37 hz.

    my goal is 33 hz, but in order to keep same box and just make port longer, i will be losing 1.66 cubes of box volume, putting me @ 6 cubes even @ 33hz and i will be adding 19.25" to the port length.

    question is, what will the difference in sound and air movement from the loss in box volume.

    will it move more or less air? will it sound better or worse in term of quality and spl?



    FI BTL 18" Fully Loaded
    6cuFT box after all displacements( spl box 4.79 after displ.)
    Planet Audio BB2400.1
    2 runs of 1/0 Gauge Wire
    Kinetic HC800
    Crappy Pioneer HU
    doing 162db in port, 147db in kickpanel




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    Re: box volume and effects on a subwoofer

    bump



    FI BTL 18" Fully Loaded
    6cuFT box after all displacements( spl box 4.79 after displ.)
    Planet Audio BB2400.1
    2 runs of 1/0 Gauge Wire
    Kinetic HC800
    Crappy Pioneer HU
    doing 162db in port, 147db in kickpanel

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    Re: box volume and effects on a subwoofer

    What is the size of the enclosure and port now?




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    Re: box volume and effects on a subwoofer

    What driver are you using?




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    Re: box volume and effects on a subwoofer

    Quote Originally Posted by Michael Scott View Post
    right now my box is 7.66 cubic ft, and is tuned to 37 hz.

    my goal is 33 hz, but in order to keep same box and just make port longer, i will be losing 1.66 cubes of box volume, putting me @ 6 cubes even @ 33hz and i will be adding 19.25" to the port length.

    question is, what will the difference in sound and air movement from the loss in box volume.

    will it move more or less air? will it sound better or worse in term of quality and spl?
    You wont be able to tell the difference in spl by ear. Your score may go down due to lost efficiency by shrinking the box. But may seem louder to the ear because your peak will be lower. As far as moving air..... low freq moves tons. IMO tuned to 33hz sounds alot better for daily use



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    Re: box volume and effects on a subwoofer

    Something sounds wrong to make a drop of only 4tints ha and equal 1.6 cubes of space. Must be a massive port in area.

    ---------- Post added at 11:54 AM ---------- Previous post was at 11:53 AM ----------

    4 hz * auto correct ***** on new DROID



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