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Reload Thread: 7.5 cubes for btl 18?

  1. #1
    on1wheel01's Avatar
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    7.5 cubes for btl 18?

    Well I'm about to build a box for a 02 Tahoe gettign a 18" d2 loaded fi btl triple 1" slug motor. Thinking 44"w 15" h 33" d. 10" wide port 7.5 cubes tuned to 31, may change it up to get 30 hz for da loz. But is 7.5 a little high for it?
    Or just figured this one up 48" w 33d 16h 11" wide port l2 of 20" 6.8 cubes tuned to 30 hz 23 " of port per cube(thats not to high is it dont wanna get port noise badly). Maybe that would be better.


    Thoughts



    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin




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    on1wheel01's Avatar
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    Re: 7.5 cubes for btl 18?

    Ok after some thought I may go with this 46"w 15"h 33"d, 11" wide port l2 port wall of 14" 6.4 cubes tuned to 31.5 hz, with 23" of port per cube.



    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin

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    basshedz06's Avatar
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    Re: 7.5 cubes for btl 18?

    with sub disp an port disp you are looking at about 9.4 after disp an 10 before lol. so you was wayyy off with 7.5
    i used the .18 disp of the fi btl an your dimensions for the first box an port would tune it to 31hz. i hope you havn't built that box thinkin one thing when iits another. good luck with what ya come out with man.



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    Re: 7.5 cubes for btl 18?

    thought that .18 was kinda small for an 18 lol it was for a 12 lol .26 is for 18 an that would put your tuning down to 31hz but the net airspace is still 9.some change



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    Re: 7.5 cubes for btl 18?

    Quote Originally Posted by basshedz06 View Post
    with sub disp an port disp you are looking at about 9.4 after disp an 10 before lol. so you was wayyy off with 7.5
    i used the .18 disp of the fi btl an your dimensions for the first box an port would tune it to 31hz. i hope you havn't built that box thinkin one thing when iits another. good luck with what ya come out with man.
    how in the world u get that, im thinkin ur math is off



    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin

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    Re: 7.5 cubes for btl 18?

    Quote Originally Posted by on1wheel01 View Post
    how in the world u get that, im thinkin ur math is off
    Yes, his math is off a bit. It comes out to around 10 cubes before port and sub displacement, which would make it to probably around 7.5-8 cubes (I would have to draw it up) And 7.5 would be great for it man, I build an enclosure for one last week and it slammed... Is this a daily? if so, i would decrease the port area just a bit.



    Dustin

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    thisistiny's Avatar
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    Re: 7.5 cubes for btl 18?

    let me know how that build goes. I drive a 05 Tahoe myself and planning on going with a single 18" in a few months here.



    '05 Tahoe HU: Pioneer AVH-P4200DVD w/ XM add-on

    Fronts: Crescendo CCX65
    Rears: Alpine SPS-600
    Powered by: Sundown SAX-100.4D

    Subs: JL Audio 2 10w7 - 3ft^3 @ 35hz
    Powered by: Sundown SAZ-1500D

  8. #8
    on1wheel01's Avatar
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    Re: 7.5 cubes for btl 18?

    Quote Originally Posted by bassman3 View Post
    Yes, his math is off a bit. It comes out to around 10 cubes before port and sub displacement, which would make it to probably around 7.5-8 cubes (I would have to draw it up) And 7.5 would be great for it man, I build an enclosure for one last week and it slammed... Is this a daily? if so, i would decrease the port area just a bit.
    Yea it's for daily i was thinking of going with this one '



    Ok after some thought I may go with this 46"w 15"h 33"d, 11" wide port l2 port wall of 14" 6.4 cubes tuned to 31.5 hz, with 23" of port per cube.



    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin

  9. #9
    Carnivorous18's Avatar
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    Re: 7.5 cubes for btl 18?

    I need an SUV for this beast I have the same as you but for now I gave up the backseat in my civic for it. Ill be downgrading to a 15 though so it can fit in the trunk




    My car: 1999 Honda Civic EX EJ8
    System: 2 12" DC XL (not installed) ~Amp: Sundown SAZ-3000D
    XS D5100R & XS D3100
    DC Power Engineering 180amp HO Alternator
    HU: JVC KD-A815
    Front & Back Stage: ID CTX65CS on MB Quart Onyx4.60 @280w per channel
    Thanks to Don @ SoundDeadenerShowdown I shouldn't be rattling

  10. #10
    on1wheel01's Avatar
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    Re: 7.5 cubes for btl 18?

    Finished box., huge port go big or go home. It's good for that wow factor when he shows it off.






    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin

  11. #11
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    Re: 7.5 cubes for btl 18?

    **** that's a big port...

    I am running mine in 7.25^3 net at 34hz with 3-6" aeros... best of 150.2 @ 35hz on 3600~ watts (had to stay under 4Kw for that class) clamped 51XX during qualifying and I didn't have time to tweak it too much so...




    Refs: http://www.caraudio.com/forum/buyer-seller-feedback/454340-k_schutte-feedback-2.html

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    on1wheel01's Avatar
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    Re: 7.5 cubes for btl 18?

    Lol yea go big or go home style. I figured it would be good that big. So he could show his buddys and what not, good for that wow factor. Hopefully it's nice n loud/low.



    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin

  13. #13
    Carnivorous18's Avatar
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    Re: 7.5 cubes for btl 18?

    Gosh **** yea thats huge. Whats that stuff on the outside of the box? Gives it a concrete texture




    My car: 1999 Honda Civic EX EJ8
    System: 2 12" DC XL (not installed) ~Amp: Sundown SAZ-3000D
    XS D5100R & XS D3100
    DC Power Engineering 180amp HO Alternator
    HU: JVC KD-A815
    Front & Back Stage: ID CTX65CS on MB Quart Onyx4.60 @280w per channel
    Thanks to Don @ SoundDeadenerShowdown I shouldn't be rattling

  14. #14
    on1wheel01's Avatar
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    Re: 7.5 cubes for btl 18?

    Man this thing is effin loud lows and output like hell. It's paint texture from lowes.



    REFS
    bought from nismos14,lask48180,wu501,teamsolo,thegreatestpenn, 1phatclipse,lorilee8284,Louisiana_CRX,woofercooker ,97maxima,Bad4Health
    sold to sotogrip,bobby32,rgplayer,mxer657,deathpenalty18,C ahm Rohn
    traded with grimreper912003,5cr4ppy
    1999 Durango 2 Memphis Mojo 15's Audiopipe ap3k
    4 Date Safe 75 ah batts Alpine hu. Lots of wangin

  15. #15
    Carnivorous18's Avatar
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    Re: 7.5 cubes for btl 18?

    Oh I see. Yea dude I just yesterday put some screws on the bottom right side of the box to fix a rattling issue and I covered the small gaps in the edges where air was escaping. Omfg it sounds so much better the sound quality and tightness of the bass is much better and im feeling more air come out of the port. Im gonna miss it but i'll be happy to have my back seats back




    My car: 1999 Honda Civic EX EJ8
    System: 2 12" DC XL (not installed) ~Amp: Sundown SAZ-3000D
    XS D5100R & XS D3100
    DC Power Engineering 180amp HO Alternator
    HU: JVC KD-A815
    Front & Back Stage: ID CTX65CS on MB Quart Onyx4.60 @280w per channel
    Thanks to Don @ SoundDeadenerShowdown I shouldn't be rattling

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