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Reload Thread: Port Placement in a 4Runner

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    UnderFire's Avatar
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    Port Placement in a 4Runner

    Alright, so I'm getting ready to submit a design request to buck for my 4runner, but I just had another new thought.

    I'm trying to decide between these 2 designs for a Daily Driver / Demo Rig set-up. Numbers are not a concern at all.

    Sub up, Port to the driver's or passenger's side.

    Measurements:

    36 D, 20 H, 38 W.

    Port 7 Inches from side walls, wheel well not obstructing the port.



    Sub Up, Port back

    Measurements:

    31 D, 20 H, 38 W

    Port 5 Inches from the rear hatch


    I just need some guidance since I've never done an SUV until now. Please specify which side you think the port should be on to yield the best results.



    97 4runner, 3RZ, 5 Speed

    Headunit: Alpine CDA-9887
    Mids: CDT HD-6CF
    Tweets: CDT DRT-25
    Fronts Amp: Hertz HDP4
    Sub Amp: American Bass VFL150.1
    Substage: 18" SSA ZCON
    Electrical: 160 Amp Alt, Duralast Gold, C&D270FR, 2/0 Throughout




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    Re: Port Placement in a 4Runner

    subs up ,port back ,in the center




    pioneer avhx 5500 dvd, gzpa 1.4000 x 2
    ab vfl 350.4 ,7 pc 2150 and a 150 ah power ware agm ,275 amp singer alt , 2nd one coming soon
    cdt 6.5 es 6 im mids,cdt es 010 tweets,es 02 mids ,mx1000 3 way x overs , sky high and stinger hpm o gauge wires ,also 2 tantric hdd 15's in a 9.5. ^3 ported no wall box 11.5 octo port.
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    Re: Port Placement in a 4Runner

    Quote Originally Posted by mylows10 View Post
    subs up ,port back ,in the center
    A center port would have to be put in the bottom of the box, I originally planned on that, but the numbers don't match up, most port area per cube I can get without getting like 34Hz tuning would be 12.32 / ft, and I'm also not sure that the box design would work well.



    97 4runner, 3RZ, 5 Speed

    Headunit: Alpine CDA-9887
    Mids: CDT HD-6CF
    Tweets: CDT DRT-25
    Fronts Amp: Hertz HDP4
    Sub Amp: American Bass VFL150.1
    Substage: 18" SSA ZCON
    Electrical: 160 Amp Alt, Duralast Gold, C&D270FR, 2/0 Throughout

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    Re: Port Placement in a 4Runner

    Generally sub up, port back is the first choice, and sub up, port up is the second. That's what I see roll through this site anyway.



    Quote Originally Posted by ducatipaso View Post
    15inch subs can't play fast beats, they take more power and that taxes the vehicles electrical system. You will wake up and "hear" then see the light at the end of the tunnel and it will be 3 10's pounding so hard you wont even open your trunk or turn your system on because you 15's will sound sloppy & weak.
    Quote Originally Posted by benbenondatrack View Post
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    Re: Port Placement in a 4Runner

    Quote Originally Posted by gckless View Post
    Generally sub up, port back is the first choice, and sub up, port up is the second. That's what I see roll through this site anyway.
    That's what I've seen too, but I've heard of the Port up configuration sounding terrible due to loading issues on the roof, and the majority of the recommendations for the sub up, port back set-up I've seen were for people chasing numbers.



    97 4runner, 3RZ, 5 Speed

    Headunit: Alpine CDA-9887
    Mids: CDT HD-6CF
    Tweets: CDT DRT-25
    Fronts Amp: Hertz HDP4
    Sub Amp: American Bass VFL150.1
    Substage: 18" SSA ZCON
    Electrical: 160 Amp Alt, Duralast Gold, C&D270FR, 2/0 Throughout

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    Re: Port Placement in a 4Runner

    Quote Originally Posted by UnderFire View Post
    That's what I've seen too, but I've heard of the Port up configuration sounding terrible due to loading issues on the roof, and the majority of the recommendations for the sub up, port back set-up I've seen were for people chasing numbers.
    Well I can't help you any more than that
    @pro-rabbit @Buck @double 07 might be able to shed some light.

    I'll be watching this though because I'm going to be doing a build in the spring in (hopefully) a Blazer.



    Quote Originally Posted by ducatipaso View Post
    15inch subs can't play fast beats, they take more power and that taxes the vehicles electrical system. You will wake up and "hear" then see the light at the end of the tunnel and it will be 3 10's pounding so hard you wont even open your trunk or turn your system on because you 15's will sound sloppy & weak.
    Quote Originally Posted by benbenondatrack View Post
    stfu lesbo.why are you worried about me so much? you must want to date me ya little cookie monster but i dont even like sweets. your just a cup full of ice, dirt dead nasty azz ice...without the water.

    Dat Build Log: http://mobileaudioforum.com/forum/showthread.php?2566-1999-Chevrolet-Blazer&highlight=1999+blazer

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    Re: Port Placement in a 4Runner

    Port back, subs up, port center or across bottom, depends.



    Alpine - ASE (local) - Batcap - C&D Tech - CT Sounds - DC - eD - Excessive Amperage - Rainbow

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    Re: Port Placement in a 4Runner

    Quote Originally Posted by Buck View Post
    Port back, subs up, port center or across bottom, depends.
    told you




    pioneer avhx 5500 dvd, gzpa 1.4000 x 2
    ab vfl 350.4 ,7 pc 2150 and a 150 ah power ware agm ,275 amp singer alt , 2nd one coming soon
    cdt 6.5 es 6 im mids,cdt es 010 tweets,es 02 mids ,mx1000 3 way x overs , sky high and stinger hpm o gauge wires ,also 2 tantric hdd 15's in a 9.5. ^3 ported no wall box 11.5 octo port.
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    Re: Port Placement in a 4Runner

    go big or go home
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    Re: Port Placement in a 4Runner

    very dependent on a lot of things but in a 4runner a while back I did a single 15" btl on 1500 watts with a sub up port back kerfed passenger side and was doing 148s on music average.



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    Re: Port Placement in a 4Runner

    Quote Originally Posted by Buck View Post
    Port back, subs up, port center or across bottom, depends.
    Alright, sending you my spec sheet now then.



    97 4runner, 3RZ, 5 Speed

    Headunit: Alpine CDA-9887
    Mids: CDT HD-6CF
    Tweets: CDT DRT-25
    Fronts Amp: Hertz HDP4
    Sub Amp: American Bass VFL150.1
    Substage: 18" SSA ZCON
    Electrical: 160 Amp Alt, Duralast Gold, C&D270FR, 2/0 Throughout

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    Re: Port Placement in a 4Runner

    I threw together a couple designs for both set-up's, still can't get the numbers I want on Port back, but port to the side the options are seemingly limitless, anywhere from 7.5-9 Cubes, 31-34Hz, all perfect Port area/ft. Waiting to see what Buck comes up with for Port back.



    97 4runner, 3RZ, 5 Speed

    Headunit: Alpine CDA-9887
    Mids: CDT HD-6CF
    Tweets: CDT DRT-25
    Fronts Amp: Hertz HDP4
    Sub Amp: American Bass VFL150.1
    Substage: 18" SSA ZCON
    Electrical: 160 Amp Alt, Duralast Gold, C&D270FR, 2/0 Throughout

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    Re: Port Placement in a 4Runner

    If it's one sub than port up sub offset rear to one side.



    Alpine - ASE (local) - Batcap - C&D Tech - CT Sounds - DC - eD - Excessive Amperage - Rainbow

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    UnderFire's Avatar
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    Re: Port Placement in a 4Runner

    Quote Originally Posted by Buck View Post
    If it's one sub than port up sub offset rear to one side.
    I'm assuming you mean sub firing into the hatch, I'd really prefer not to have that set-up I don't trust ~2" of wood to keep the sub solid.



    97 4runner, 3RZ, 5 Speed

    Headunit: Alpine CDA-9887
    Mids: CDT HD-6CF
    Tweets: CDT DRT-25
    Fronts Amp: Hertz HDP4
    Sub Amp: American Bass VFL150.1
    Substage: 18" SSA ZCON
    Electrical: 160 Amp Alt, Duralast Gold, C&D270FR, 2/0 Throughout

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    Re: Port Placement in a 4Runner

    Subs up port back. It also looks wicked as hell when those subs are pounding. Waiting on my second Xcon and this should be beating hard. This box is close to your measurements btw.

    Port Placement in a 4Runner-20121216_133609.jpg




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