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    aaron7114's Avatar
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    subs sounds like its bottoming out with doors closed...

    My friend has a 2000 Ford Ranger extended cab. He installed his system in it last night 12' Comp MTX sub in a sealed box and a Kicker KX1000. With both doors shut and windows up the sub sounds like it is bottoming out and is not very loud at all. The amp was set with a DMM also. It sounds like this at lower volumes too. However when he opens both doors it does not sound like that and it gets at least 3 times louder.

    What is the cause of this and is there any way to fix it?



    Headunit:
    JVC AVX2 (3.5" Screen)
    Mids and Highs:
    Kicker 6 1/2" door speakers
    Four 3 1/2" Kicker Speakers in the sub wall
    Subs:
    Two 2006 15" Kicker L7s
    Amps:
    Kicker KX120.2 for Mids and Highs
    Kicker KX2500.1 for Subs
    Box:
    8 Cube wall tuned to 50 hz for comp and 36 hz for daily.
    150.4 db @ 47 hz on TL with 3 day old subs. Done a 156.8 since then on Audiocontrol
    Refs: 1 Hugh Jass, k4rts, vitveet, pioneerpimp, Colt9699, caligirl2k




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    skadude016's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    it could be the cab rattling



    HU:Kenwood Excelon KDC-889
    Speakers: CDT 61A's with rainbow x-overs
    Front amp: Autotek MM100.4
    Sub amp: (2) Audiopipe 1500's
    Subwoofers: (4) 15" Crunch GPV
    Box: 16 cubes tuned to 28hz (removable port)
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    azimuth's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    they will always be louder with the doors or windows open.






    2003 chevy s-10 ext. cab
    hu: jvc kd-avx1
    precision power 356cs components
    front amp: infinity 475a
    sub: diamond audio d6 10d4
    enclosure: 1.1 cubes ported tuned @ 31hz
    sub amp: JL G1700

  4. #4
    aaron7114's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    Quote Originally Posted by skadude016 View Post
    it could be the cab rattling
    its not that. I can hear the sub makin the bottoming out sound.



    Headunit:
    JVC AVX2 (3.5" Screen)
    Mids and Highs:
    Kicker 6 1/2" door speakers
    Four 3 1/2" Kicker Speakers in the sub wall
    Subs:
    Two 2006 15" Kicker L7s
    Amps:
    Kicker KX120.2 for Mids and Highs
    Kicker KX2500.1 for Subs
    Box:
    8 Cube wall tuned to 50 hz for comp and 36 hz for daily.
    150.4 db @ 47 hz on TL with 3 day old subs. Done a 156.8 since then on Audiocontrol
    Refs: 1 Hugh Jass, k4rts, vitveet, pioneerpimp, Colt9699, caligirl2k

  5. #5
    BASSMEKANIK's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    Quote Originally Posted by aaron7114 View Post
    My friend has a 2000 Ford Ranger extended cab. He installed his system in it last night 12' Comp MTX sub in a sealed box and a Kicker KX1000. With both doors shut and windows up the sub sounds like it is bottoming out and is not very loud at all. The amp was set with a DMM also. It sounds like this at lower volumes too. However when he opens both doors it does not sound like that and it gets at least 3 times louder.

    What is the cause of this and is there any way to fix it?
    drive with the windows down

    either there getting a clipped signal or subs could just be junk. how big of a box are they in?





    HU: Kenwood KDC-x789
    Speakers: CDT HD-62 with TW-25S's
    Subs: (2) Treo CSX 12.22's
    Sub Amp: (2) Hifonics XI Zeus's
    Box: 6.0 cf 96 sq in tunable port
    Wiring: Monster 1/0

    http://www.myspace.com/texasbassproductions


  6. #6
    aaron7114's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    Quote Originally Posted by BASSMEKANIK View Post
    drive with the windows down

    either there getting a clipped signal or subs could just be junk. how big of a box are they in?
    I think its 1.5 cubes. its just one 12. the sub isn't junk thats for sure. Its a pretty nice sub. Sounds amazing with the doors open.

    I used to have it in my car and it sounded great.



    Headunit:
    JVC AVX2 (3.5" Screen)
    Mids and Highs:
    Kicker 6 1/2" door speakers
    Four 3 1/2" Kicker Speakers in the sub wall
    Subs:
    Two 2006 15" Kicker L7s
    Amps:
    Kicker KX120.2 for Mids and Highs
    Kicker KX2500.1 for Subs
    Box:
    8 Cube wall tuned to 50 hz for comp and 36 hz for daily.
    150.4 db @ 47 hz on TL with 3 day old subs. Done a 156.8 since then on Audiocontrol
    Refs: 1 Hugh Jass, k4rts, vitveet, pioneerpimp, Colt9699, caligirl2k

  7. #7
    BASSMEKANIK's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    Quote Originally Posted by aaron7114 View Post
    I think its 1.5 cubes. its just one 12. the sub isn't junk thats for sure. Its a pretty nice sub. Sounds amazing with the doors open.

    I used to have it in my car and it sounded great.
    ok, what kinda hu? got good rca's?





    HU: Kenwood KDC-x789
    Speakers: CDT HD-62 with TW-25S's
    Subs: (2) Treo CSX 12.22's
    Sub Amp: (2) Hifonics XI Zeus's
    Box: 6.0 cf 96 sq in tunable port
    Wiring: Monster 1/0

    http://www.myspace.com/texasbassproductions


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    kotec123's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    its most likely the cab rattling....there is no way that the change in pressure in the cab would cause the sub to bottom out??? it would however chance the way the sub puts pressure on the cab....

    next time when its hitting, go to the sub itself and put ur ear right by it....thats how u know if its the sub or not



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  9. #9
    Twistid's Avatar
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    Re: subs sounds like its bottoming out with doors closed...

    same thing happend to me , turns out it was my rear panel slapping against the metal...



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