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    event is near so what freq should i tune my box.

    i currently have my box tuned to 31hz but its a removable port so i want to just do a new port just for the event
    box is 11.5 net cuft on 2 18"s subs up port back, does any one know the res freq of a jeep cherokee 2dr.????
    i have a vid of the box set up min 1:41



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    Re: event is near so what freq should i tune my box.

    I want to say ~57hz is where they peak at, but maybe my memory is off...
    Last edited by RAM_Designs; 02-14-2010 at 07:02 PM.



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    Re: event is near so what freq should i tune my box.

    I like your install. It has inspired me. Im doing 2 18"s in close to the same box but more powa, trunk car. Waiting on the subs to get here then ill build the box. Also those are in my top 5 fav bump songs, lol.



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    Re: event is near so what freq should i tune my box.

    PM snoopdan, he has or used to have a 2-door jeep. I don't remember him running anything other than a wall, but just ask him if he knows what his peaked at with no wall.



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    Re: event is near so what freq should i tune my box.

    Quote Originally Posted by RyanM923 View Post
    PM snoopdan, he has or used to have a 2-door jeep. I don't remember him running anything other than a wall, but just ask him if he knows what his peaked at with no wall.
    jacob from sundown would know as well



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    Re: event is near so what freq should i tune my box.

    Quote Originally Posted by Dpc69ss View Post
    jacob from sundown would know as well
    His is 4-door I believe.



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    Re: event is near so what freq should i tune my box.

    Quote Originally Posted by RyanM923 View Post
    His is 4-door I believe.
    ahh, maybe. all i know is its ugly as hell, lol. someone else on here has one, as soon as I remember I'll post it.



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    Re: event is near so what freq should i tune my box.

    maybe they will let you do a little testing and tuneing you said it was interchangeable ports make one thats about 45 and bring a saw with you and shave it down a little at a time till you peak just an idea



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    Re: event is near so what freq should i tune my box.

    thanks a lot guys, i will start with 45hz and post results



    feedback
    buy/trade/sell Zeuslicious,Beerdrnkr,c0rrupted0ne
    Deck: Alpine CDA-9886
    Speaker Amp: Orion 8004
    Sub Amp: American Bas VFL 500.1
    Sub Stage:18" Hybrid NSV2 TC spider and basket
    Box: 5.5 Cubes @ 31hz
    Wire: 2runs AUDIOTECHNIX 1/0
    batts: (3) DEKA 9A31s
    http://i182.photobucket.com/albums/x45/drift_robb/DSC01665-1.jpg

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    Re: event is near so what freq should i tune my box.

    Have you tried moving your box forward at all? I know you'd probably have to fold the back seat down to do it, but your port looks too close to the liftgate for spl...it probably lowers your effective tuning when the gate is closed which might sound better for daily, but I bet you would gain on the mic moving it forward a few inches.
    45 is probably a good place to start, so I think your on the right track there.



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    Re: event is near so what freq should i tune my box.

    Quote Originally Posted by spltuscon View Post
    Have you tried moving your box forward at all? I know you'd probably have to fold the back seat down to do it, but your port looks too close to the liftgate for spl...it probably lowers your effective tuning when the gate is closed which might sound better for daily, but I bet you would gain on the mic moving it forward a few inches.
    45 is probably a good place to start, so I think your on the right track there.

    so i did the 45hz port and no gain at all not even 1db, moved the box like 3 inches forward and the same, need to try move more the box bun need to fold down the back seat and to do that i have to relocate my batts,worth mentioning that i am metering with the epic160, i know is not going to be the same numbers on the TL but just to get an idea.
    any feedback will be greatly appretiated.

    pics of the 45hz port vs 31hz








    feedback
    buy/trade/sell Zeuslicious,Beerdrnkr,c0rrupted0ne
    Deck: Alpine CDA-9886
    Speaker Amp: Orion 8004
    Sub Amp: American Bas VFL 500.1
    Sub Stage:18" Hybrid NSV2 TC spider and basket
    Box: 5.5 Cubes @ 31hz
    Wire: 2runs AUDIOTECHNIX 1/0
    batts: (3) DEKA 9A31s
    http://i182.photobucket.com/albums/x45/drift_robb/DSC01665-1.jpg

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    Re: event is near so what freq should i tune my box.

    What frequency are you peaking at?



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    Re: event is near so what freq should i tune my box.

    Quote Originally Posted by RyanM923 View Post
    What frequency are you peaking at?
    43hz, the wird thing is that i am peaking at the same freq. with the 31hz port, pointing to back my box, apears that the space from my hatch to the box is acting like port lowering the tuning



    feedback
    buy/trade/sell Zeuslicious,Beerdrnkr,c0rrupted0ne
    Deck: Alpine CDA-9886
    Speaker Amp: Orion 8004
    Sub Amp: American Bas VFL 500.1
    Sub Stage:18" Hybrid NSV2 TC spider and basket
    Box: 5.5 Cubes @ 31hz
    Wire: 2runs AUDIOTECHNIX 1/0
    batts: (3) DEKA 9A31s
    http://i182.photobucket.com/albums/x45/drift_robb/DSC01665-1.jpg

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    Re: event is near so what freq should i tune my box.

    ok Gained 1db by backing my box 1ft from the hatch, lets see how i do this sunday



    feedback
    buy/trade/sell Zeuslicious,Beerdrnkr,c0rrupted0ne
    Deck: Alpine CDA-9886
    Speaker Amp: Orion 8004
    Sub Amp: American Bas VFL 500.1
    Sub Stage:18" Hybrid NSV2 TC spider and basket
    Box: 5.5 Cubes @ 31hz
    Wire: 2runs AUDIOTECHNIX 1/0
    batts: (3) DEKA 9A31s
    http://i182.photobucket.com/albums/x45/drift_robb/DSC01665-1.jpg

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    Re: event is near so what freq should i tune my box.

    goodluck man it takes alot of testing and tuning to get things right just stick in there



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    1991 VDub 4dr jetta wolfsburg edition

    ASE certified in electrical and brakes

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    SUB- 18" nightshade
    COMP-spl 6x9s

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