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    Slot Port Opening

    does it matter how wide the slot port is. I am looking at a box 35x15x16. With a slot port of 2.5 inches wide its about 33.75 tuned to 35 hz. A opening 3" wide is tuned to 37.6 with 40.5 sq inches of port. Whats the general rule on the width of a port without getting port noise. Also if i wanted to use a 4" pvc is says it will be 4.9 inches long for 35 hz. I would think that would not be enough for a single driver and be very high tuned. Thanks



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    Re: Slot Port Opening

    slot port rule of thumb = 12-16 in^2 per ft^3



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    Re: Slot Port Opening

    make sure to include port and subwoofer placement in your box

    so if 35x15x16 is what your subs need you will need to make it bigger




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    Re: Slot Port Opening

    Quote Originally Posted by mmouse57 View Post
    make sure to include port and subwoofer placement in your box

    so if 35x15x16 is what your subs need you will need to make it bigger

    lmao did you mean displacement??
    lol gotcha b-4 edit lol



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    Re: Slot Port Opening

    yea, displacement. With my box 35x15x16 and a slot port opening 3" 13.5" long It gives me the proper hz i am looing for. Do I have to make a 90 degree turn, or can the port just be straight going toward the back of the box. If I turn the port 90 degree the hz go way down. I was trying to get 35-37ish



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