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    dd9518g box design help

    Hey all I got a DD 9518 and I need to put a box in my car, Im thinking about taking one of the back seats out for the sub to sit and porting through the armrest.

    The sub will be slightly recessed so I can put the seat back in and the aeroports will come slighlty through where the hole in the armrest section is.

    I dont know for sure but im thinking im going to get around 4-5.5 cubes out of the trunk.

    Question is how would the sub sound in a box of that space range tuned to 30hz off of 1500 watts at first and 3000 later, would it be lacking on the high end and overpowering the lows or what and how many/what size ports would it take to get that tuning, if possible I would like to make plugable ports to change the tuning on the fly (has anyone heard/done this, what were results) which I think would mean more would be better as you would get more tuning options. Im aiming for 4 of them and being able to jump from 30 to 45 hz tuning in 5hz increments.



    here are some pics of what the box would look like roughly








    Refrences: Tonyguy (Bought from), duece212 (Bought From) blackbonnie (Sold To) Woofer Cooker (Trade) Zeuslicious (Trade)

    Headunit: Kenwood Excelon X995
    Speakers: Alpine SPR-60Cs
    Sub : DD 9515h series
    Sub Amp : Alpine MPR2000
    Wire: 0/1 Kicker Hyperflex




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    Re: dd9518g box design help

    try making it bigger than 5cft...



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    Re: dd9518g box design help

    limited trunk space, 1996 grand prix se





    Refrences: Tonyguy (Bought from), duece212 (Bought From) blackbonnie (Sold To) Woofer Cooker (Trade) Zeuslicious (Trade)

    Headunit: Kenwood Excelon X995
    Speakers: Alpine SPR-60Cs
    Sub : DD 9515h series
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    Wire: 0/1 Kicker Hyperflex

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    Re: dd9518g box design help

    do a wall if that is really a"PureSPLprix". you cannot possibly get a box that will do that 9518 justice in your trunk.



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    Re: dd9518g box design help

    Haha, it WAS a PureSPLprix but now I have a son with a carseat man and his momma dosnt have a car so this is our only means of transportation which means that puts a cramp on my options, plus I want to keep my backseats anyway =).


    The box, if I can figure a way to get it in there could go all the way to the back of the trunk minus space for some batteries, or my second option which im really trying to avoid would be scrap the left side seat all together, I know I could get another 1-1.5 cf out of the space where you sit but like I said I want to keep the seat.

    Plus If I can put the seat back over the sub thats a little extra security cause if someone breaks into the car and opens the trunk all they are going to see is a big *** box and some batteries





    Refrences: Tonyguy (Bought from), duece212 (Bought From) blackbonnie (Sold To) Woofer Cooker (Trade) Zeuslicious (Trade)

    Headunit: Kenwood Excelon X995
    Speakers: Alpine SPR-60Cs
    Sub : DD 9515h series
    Sub Amp : Alpine MPR2000
    Wire: 0/1 Kicker Hyperflex

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    Re: dd9518g box design help

    nobody????





    Refrences: Tonyguy (Bought from), duece212 (Bought From) blackbonnie (Sold To) Woofer Cooker (Trade) Zeuslicious (Trade)

    Headunit: Kenwood Excelon X995
    Speakers: Alpine SPR-60Cs
    Sub : DD 9515h series
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    Re: dd9518g box design help

    Quote Originally Posted by PureSPLprix View Post
    nobody????

    DAMMIT bro.....i JUST sent you a pm asking a similar question about 4 DD 12's.....sorry bout that. i know the 95's use a huge amount of airspace to work "right" but you might wanna buy JR. some earplugs



    There is NEVER a stupid question but there ARE always dumb answers.........usually given by a matching individual.





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    Re: dd9518g box design help

    Quote Originally Posted by 9seconlives View Post
    DAMMIT bro.....i JUST sent you a pm asking a similar question about 4 DD 12's.....sorry bout that. i know the 95's use a huge amount of airspace to work "right" but you might wanna buy JR. some earplugs
    Naw I wouldnt bump with him in the car thats just wrong bump for a answer though





    Refrences: Tonyguy (Bought from), duece212 (Bought From) blackbonnie (Sold To) Woofer Cooker (Trade) Zeuslicious (Trade)

    Headunit: Kenwood Excelon X995
    Speakers: Alpine SPR-60Cs
    Sub : DD 9515h series
    Sub Amp : Alpine MPR2000
    Wire: 0/1 Kicker Hyperflex

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    Re: dd9518g box design help

    3 4inch ports.




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    Re: dd9518g box design help

    Do a build in with a swappable port kind like I did.



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    Re: dd9518g box design help

    and why a 30hz tune? Seems like you have the wrong sub for your application...




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    Re: dd9518g box design help

    Quote Originally Posted by mlstrass View Post
    and why a 30hz tune? Seems like you have the wrong sub for your application...
    x2 Also IDK if you have enough height in the trunk for an 18 to face forward. Or enough room to get the box in there.
    Last edited by themommyvan; 07-20-2008 at 01:48 PM.



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    Re: dd9518g box design help

    Quote Originally Posted by themommyvan View Post
    x2 Also IDK if you have enough height in the truck for an 18 to face forward. Or enough room to get the box in there.
    I dont, thats why the subs going to have to tilt at a angle, and whats wrong with tuning it to 30 hz how would it sound

    I want it to be as much of a low end monster as possible while still hitting the highs with some force, if tuning at 40 will do this I dont mind but I want it to go LLLLLLOOOOOOOWWWWWWWWWWWWz





    Refrences: Tonyguy (Bought from), duece212 (Bought From) blackbonnie (Sold To) Woofer Cooker (Trade) Zeuslicious (Trade)

    Headunit: Kenwood Excelon X995
    Speakers: Alpine SPR-60Cs
    Sub : DD 9515h series
    Sub Amp : Alpine MPR2000
    Wire: 0/1 Kicker Hyperflex

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    Re: dd9518g box design help

    this is just my opinion but i don't think DD 9500's are very good with the lows....i mean 33hz and up is fine but i dunnoa bout anything lower then that.



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    Re: dd9518g box design help

    lol.....dont believe that one, itll play lows as welll as anything else..... i had a 33hz tune and played down to 24-26 with ease.... also your gonna want more then 4.5-5 gross cubes , somethin more like 6 net and up , otherwise look for a 9515 ..... itll play much better in the space you have to use..... or take the back seat right out and use some of that space too....



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