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Reload Thread: Dual Fi SP4 18s

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    Dual Fi SP4 18s

    Can I get someone to assist me with an enclosure design for dual SP4 18s. Max dimensions are 27W x 30D x 30H. I'm currently running 2 15s and wanting to go with 18s. Power is a non issue since I'm now using two Crescendo 3.5ks. If this is possible please let me know. Looking to order the subs this week.

    Also looking to go subs up, port back.







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    Re: Dual Fi SP4 18s

    @Buck ;



    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: Dual Fi SP4 18s

    @Buck ; Can you chime in?




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    Re: Dual Fi SP4 18s

    @gckless ; I hit you up last night. What's up with you bro? Where the hell you been hiding man?




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    Re: Dual Fi SP4 18s

    pm me @CaddieJapan ;




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    Re: Dual Fi SP4 18s

    @DbDesigns ; done.




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    Re: Dual Fi SP4 18s

    Quote Originally Posted by CaddieJapan View Post
    @gckless ; I hit you up last night. What's up with you bro? Where the hell you been hiding man?
    I replied back man! Where YOU been?? Lol.



    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: Dual Fi SP4 18s

    Quote Originally Posted by gckless View Post
    I replied back man! Where YOU been?? Lol.
    4 day weekend, so just kind of kicking it around man. Been thinking about going with the 18's like you mentioned man. First and foremost though, just wanting to see if I have the optimal space to do so. If so then I will go for it man.




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    Re: Dual Fi SP4 18s

    Quote Originally Posted by CaddieJapan View Post
    4 day weekend, so just kind of kicking it around man. Been thinking about going with the 18's like you mentioned man. First and foremost though, just wanting to see if I have the optimal space to do so. If so then I will go for it man.
    Well that's like 14 cubes gross, so minus port area, drivers (unless you mount inverted, would look pretty bitchin in the van if you did), and other displacement you have a little over 5 cubes each. Might be tough :/

    But check the texts.



    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: Dual Fi SP4 18s

    I wouldn't do that. You have about 11.67 after six sides with double baffle, you want 12 minimum IMO for those woofers net.



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    Re: Dual Fi SP4 18s

    I'm tellin you man, go HDD's. Just talked to Murph and he said 5-8 cubes would be fine.



    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: Dual Fi SP4 18s

    You should try 4 12's.



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    Re: Dual Fi SP4 18s

    Or that ^^

    4 HD 12's



    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: Dual Fi SP4 18s

    Quote Originally Posted by gckless View Post
    Well that's like 14 cubes gross, so minus port area, drivers (unless you mount inverted, would look pretty bitchin in the van if you did), and other displacement you have a little over 5 cubes each. Might be tough :/

    But check the texts.
    That was my thought. Looks like the correct box volume for 1.




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    Re: Dual Fi SP4 18s

    Are you going to have the subs on the same plane when your max dimension for any side is 30"? How is the box for the 15s you have now?



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