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Reload Thread: Need someone to help with Ported box for two 15' L5s

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    aaron7114's Avatar
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    Need someone to help with Ported box for two 15' L5s

    Ok right now I have two 15 inch L5s in two separte sealed boxes. It is pretty freakin loud (147 db) but I want to get louder...i would like to get in the 150s. How hard would it be to turn my sealed boxes into ported boxes?

    Also is there a way to have a box tuned to 2 different frequencies like takin the port piece out and replacing it with a different size or something like that? I would like to have it tuned around 35 hz for daily driving then around 50 hz for competition.

    The boxes in there now are 4 cu ft each.

    This is in a honda accord so its in the trunk so I dont have a lot of room. I keep my back seat down unless there is more than 1 person riding with me so I was wondering if it would be possible to have the ports coming up through the backdash? That way when I had the seat up alot of the bass would still be coming through.

    If someone would kindly help me build this box I would greatly appreciate it.

    I will try to get my box dimensions tomorrow so if someone doesn't care they could figure out the port dimensions and all that stuff for me. I have never built a ported box before.
    Last edited by aaron7114; 09-06-2006 at 01:25 AM.



    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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    big_mike7254's Avatar
    big_mike7254 is offline Junior Member



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    Re: Need someone to help with Ported box for two 15' L5s

    sounds like a weak system. lmao, actually its about the loudest in town with the sealed boxes, so porting them would be insane




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    PhatTonyDeMarco's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    Where did that 147dB come from? Two L5's... sealed... in a trunk... Doesnt seem like it could manage a 147 to me.

    But, you are better off making new enclosures. The sealed enclsoure volume will not be enough to turn it into a ported one, it will be drastically too small... Also, yes many people have changeable tuning frequencies in which a port piece can be detatched and reattatched like you described. Also, aero ports are an easy way to change your tuning as often as you'd like!

    Edit- Just read your sig, 4 cubes sealed EACH? That can't sound good..
    But if the boxes are actually that large, then you might be able to convert them into ported. But, I dont reccomend it, make a new box.




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    aaron7114's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    Quote Originally Posted by PhatTonyDeMarco View Post
    Where did that 147dB come from? Two L5's... sealed... in a trunk... Doesnt seem like it could manage a 147 to me.

    But, you are better off making new enclosures. The sealed enclsoure volume will not be enough to turn it into a ported one, it will be drastically too small... Also, yes many people have changeable tuning frequencies in which a port piece can be detatched and reattatched like you described. Also, aero ports are an easy way to change your tuning as often as you'd like!

    Edit- Just read your sig, 4 cubes sealed EACH? That can't sound good..
    But if the boxes are actually that large, then you might be able to convert them into ported. But, I dont reccomend it, make a new box.
    the guy actually thought the mic wasn't workin bc he couldn't believe it was only hitting a 147, but anyways thats beside the point.

    My entire trunk is FULL with what I have now (see my avatar, or go to this topic which has more pictures: http://www.caraudio.com/forum/showthread.php?t=179133)

    I had to build 2 separate boxes because there is no way I could get 1 big one in there.

    Dont have a whole lot of room to work with bein in a accord.



    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
    big_mike7254's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    Quote Originally Posted by PhatTonyDeMarco View Post
    Where did that 147dB come from? Two L5's... sealed... in a trunk... Doesnt seem like it could manage a 147 to me.

    But, you are better off making new enclosures. The sealed enclsoure volume will not be enough to turn it into a ported one, it will be drastically too small... Also, yes many people have changeable tuning frequencies in which a port piece can be detatched and reattatched like you described. Also, aero ports are an easy way to change your tuning as often as you'd like!

    Edit- Just read your sig, 4 cubes sealed EACH? That can't sound good..
    But if the boxes are actually that large, then you might be able to convert them into ported. But, I dont reccomend it, make a new box.
    i was with this guy when he got it metered. and the guy really did think his mic wasn't working cause it was only hitting a 147. its hard to even breath in this street ride. trust me, when you get a quarter to flip on top of the car turned half way up, that's loud.




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    90accordman's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    i had L5s in my accord just about the same trunk space as you 6.5 cubes at 32hz in a JMAC designed box that i built was before i smashed the box up in pieces hitting 145 TL at the passenger kickpanel, i'll post a few pics of it in the trunk as i built in in a min



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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    Re: Need someone to help with Ported box for two 15' L5s







    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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    Re: Need someone to help with Ported box for two 15' L5s

    I would think you would be ok with 6 cubes with 15s as kicker recommended 2.5 per sub for mine



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

  9. #9
    coolahan's Avatar
    coolahan is offline 141.6 dB @ 36hz



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    Re: Need someone to help with Ported box for two 15' L5s

    Quote Originally Posted by 90accordman View Post
    I would think you would be ok with 6 cubes with 15s as kicker recommended 2.5 per sub for mine
    you put the carpet on in the trunk!? how hard was that



    - Kyle

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    sundownz, teamquakecelica, stuckinok, fosgaholic218, xtremesplokc, Smoknum, MillzThaYungin, iagrdshaka, Derek Irby, AlpineAndy, reed dollaz

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    90accordman's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    its not carpet, what carpet is shiny?

    its gloss black pearl auto paint



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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    coolahan's Avatar
    coolahan is offline 141.6 dB @ 36hz



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    Re: Need someone to help with Ported box for two 15' L5s

    Quote Originally Posted by 90accordman View Post
    its not carpet, what carpet is shiny?

    its gloss black pearl auto paint
    can't tell from the picture.. but that would explain it.



    - Kyle

    No system for the moment

    REFs
    sundownz, teamquakecelica, stuckinok, fosgaholic218, xtremesplokc, Smoknum, MillzThaYungin, iagrdshaka, Derek Irby, AlpineAndy, reed dollaz

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    90accordman's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    hmmi can see the glos on the pic oh well



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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    aaron7114's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    anyone know the dimensions of a 94 accords trunk?



    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

  14. #14
    PhatTonyDeMarco's Avatar
    PhatTonyDeMarco is offline C0CK,its whats for dinner



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    Re: Need someone to help with Ported box for two 15' L5s

    Quote Originally Posted by 90accordman View Post
    i had L5s in my accord just about the same trunk space as you 6.5 cubes at 32hz in a JMAC designed box that i built was before i smashed the box up in pieces hitting 145 TL at the passenger kickpanel, i'll post a few pics of it in the trunk as i built in in a min
    Yeah, a 145 with a ported box is believable, but a 147 sealed, with that little power? I just doubt it.




  15. #15
    90accordman's Avatar
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    Re: Need someone to help with Ported box for two 15' L5s

    same here but i wasnt there to see or hear it so i cant say one way or another...mine were only powered with 1100rms when i did the 145



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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