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    project XXX18 SQL

    sup guys. I origonally bought my 18xxx for more of a sq sub but I can't get the spl bug out of my system. so I really want to hit my goal of 150 and I have 1800 rms to play with but the catch is its gotta sound good so no 50hz tunings. my starting point is 8.5 cu ft @ 27 w/ 130 sq in port. I'm also throwing around the TL idea but I think that might be too big. someone steer me in the right direction closer to 150 +/- cause I wasn't to happy with 140



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
    Subs: 4x eD 9Kv.2's




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    Re: project XXX18 SQL

    i say no way your hittin 150 with it tuned that low




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    Re: project XXX18 SQL

    I dont see a 150.




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    Re: project XXX18 SQL

    Quote Originally Posted by mazdakid
    i say no way your hittin 150 with it tuned that low
    x2


    I dont think theres any possible way to hit 150 with 27hz. And you also need more watts on top of that.



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    Re: project XXX18 SQL

    well lets start playing with the box. say tune it to 32 Hz make the port/box bigger? cmon people. I wanna get closer to 150 than 140. I'd be happy to hit a 148. hell if my two sx10's could hit 143 with 1800watts in a 3 cu ft box @ 30hz with little ports the 18 should be at least be able to beat that by 3-5 dbs



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
    Subs: 4x eD 9Kv.2's

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    Re: project XXX18 SQL

    noah should chime in here if he hasn't it i'd ask em.



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    Re: project XXX18 SQL

    Quote Originally Posted by Speedyd718
    noah should chime in here if he hasn't it i'd ask em.
    noah doesn't like helping me (we live in the same city and he want's to be the loudest) :P



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
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    Re: project XXX18 SQL

    Quote Originally Posted by myvanpounds
    noah doesn't like helping me (we live in the same city and he want's to be the loudest) :P
    Ha ha, bullshit... I'll help you whenever...

    So, I'd tune to 32-33 honestly... you'll still be able to hit the lows

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    Re: project XXX18 SQL

    Can you fire upwards?

    nG




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    Re: project XXX18 SQL

    Quote Originally Posted by ngsm13
    Can you fire upwards?

    nG
    firing upwards was the plan. I can also wall If need be but I don't wanna wall for one 18 unless I HAVE to



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
    Subs: 4x eD 9Kv.2's

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    Re: project XXX18 SQL

    i say put it in a 6th order bandpass ...have the 18 in 4 cubes ported tuned to 27hz with a 90 square inch port
    playing into a 4.5 cube ported area tuned to 70hz with 130square inch port

    u should get nice and loud with that and still hit the lows very well

    80
    can some1 model that up so he can see how it looks on a graph




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    Re: project XXX18 SQL

    Quote Originally Posted by 80INCHES
    i say put it in a 6th order bandpass ...have the 18 in 4 cubes ported tuned to 27hz with a 90 square inch port
    playing into a 4.5 cube ported area tuned to 70hz with 130square inch port

    u should get nice and loud with that and still hit the lows very well

    80
    can some1 model that up so he can see how it looks on a graph
    I'm modeling it in bb6p to compare.



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
    Subs: 4x eD 9Kv.2's

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    Re: project XXX18 SQL

    Quote Originally Posted by myvanpounds
    I'm modeling it in bb6p to compare.
    hows does it compare?


    80




  14. #14
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    Re: project XXX18 SQL

    Quote Originally Posted by 80INCHES
    hows does it compare?


    80
    box needs to be huge to get a controled freq response altho playing with it id does have a 5db peak around 70hz over a 5 cu ft 36 h ported box



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
    Subs: 4x eD 9Kv.2's

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    Re: project XXX18 SQL

    I'm liking what I'm seeing with a 4th and 6th order badpass boxes. I've got to play around to get the best freq response AND more db's. I'm using 8.5 @ 27 w 130 as my bassis for SQ box and a 5.4 @ 36 with 170 inch as my bassis for SQL



    2005 F150 XLT Supercab. 5.4L 3.73
    HU: Kenwood DDX-7015
    Sub amps: 2x autotek xs900.2's
    Midbass amp: autotek xs550.2
    Front stage amp: audison LRx 2.250 - FOR SALE
    Midbass: 2x eD 7Kv.2 (RIP lonny)
    Components:Phoenix Gold Rsd 6.5's - FOR SALE
    Electrical: Optima, Knukonceptz, Streetwires
    Subs: 4x eD 9Kv.2's

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