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    Best way to raise tuning of an already built box

    I built a crx style box for 2 15' bls..Box is 7^3 @ 29hz...I personally don't like the way it sounds and want to raise the tuning to about 35hz...How do I go about doing this?







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    Re: Best way to raise tuning of an already built box

    shortin the port length



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    Re: Best way to raise tuning of an already built box

    I always thought it was to make the port longer




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    Re: Best way to raise tuning of an already built box

    wat about polyfill?




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    Re: Best way to raise tuning of an already built box

    Add panels inside the box to make the internal volume smaller.




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    Re: Best way to raise tuning of an already built box

    i usually use some wide cut 45's in the corners to drop volume and get rid of the 90's



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    Re: Best way to raise tuning of an already built box

    Quote Originally Posted by bookechu View Post
    wat about polyfill?
    i know that will slow the air movement down to make the box seem bigger not sure how much. recomended 1 bag of polyfill for 1 cu/ft. not sure bout tunage abllity of it. works great in small space enclosure.




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    Re: Best way to raise tuning of an already built box

    the best wa is to shrink the internal volume with some MDF
    pannels or fill the corners with 45* like mentioned above



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