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    ace_800's Avatar
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    How do I find the port length and diameter using pvc?

    Trying to find out if I should use 2 aero ports of 3" in diameter or 1 port of 4". They both would be around the same length for 32htz. Is there going to be a difference? Thanks
    Last edited by ace_800; 03-23-2007 at 07:19 PM.



    Current set up: 94 Toyota Chaser (1JZ motor) On deck for that car? No HU atm, 3 way active (Vifa Tweets, CDT 04's and 06's) powered by either a Zed Draconia , 2 Obsidian Audio 10's powered by a B2 Audio Zero.3

    Nissan Cube3: Stock Nav HU, need Processor, speakers and subs. Will be using Soundstream DaVinci for power

    66 Pontiac GTO, modified stock radio, Crossfire CFA 302, Kicker KS6.2's in the front kicks, Crossfire CFA 452 for the 6x9's I need.




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    W8 a minute's Avatar
    W8 a minute is offline CarAudio.com Elite



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    Re: How do I find the port length and diameter using pvc?

    Too many variables here.

    What sub?
    T/S parameters?
    Net volume of box?
    Tuning frequency?

    I have a hard time believing they"ll be "around the same length" and still have the same tuning frequency.



    Refs: Kmanian, Mj-TC, mennitti, iceteebone


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    Re: How do I find the port length and diameter using pvc?

    The tc9 subs that were being sold on here

    3.2^3

    approx 32htz

    I was using the psp-inc calculator

    Its coming up 12.45 with 1 4"
    and
    14.98 for 2 3"
    Last edited by ace_800; 03-23-2007 at 08:06 PM.



    Current set up: 94 Toyota Chaser (1JZ motor) On deck for that car? No HU atm, 3 way active (Vifa Tweets, CDT 04's and 06's) powered by either a Zed Draconia , 2 Obsidian Audio 10's powered by a B2 Audio Zero.3

    Nissan Cube3: Stock Nav HU, need Processor, speakers and subs. Will be using Soundstream DaVinci for power

    66 Pontiac GTO, modified stock radio, Crossfire CFA 302, Kicker KS6.2's in the front kicks, Crossfire CFA 452 for the 6x9's I need.

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    ace_800's Avatar
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    Re: How do I find the port length and diameter using pvc?

    Anyone?



    Current set up: 94 Toyota Chaser (1JZ motor) On deck for that car? No HU atm, 3 way active (Vifa Tweets, CDT 04's and 06's) powered by either a Zed Draconia , 2 Obsidian Audio 10's powered by a B2 Audio Zero.3

    Nissan Cube3: Stock Nav HU, need Processor, speakers and subs. Will be using Soundstream DaVinci for power

    66 Pontiac GTO, modified stock radio, Crossfire CFA 302, Kicker KS6.2's in the front kicks, Crossfire CFA 452 for the 6x9's I need.

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