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    Obsidian audio 18??

    Does anyone have experience with these subs? Looking to get 2 in about 3 days or so running off a crescendo 2k. Reviews look pretty good but don't wanna hop on it to fast. Or any 1 18" fi sub? Was really looking at the Spg4 (I think that's what it is). Same amp and both will be tuned to 32hz. Which would be louder? I mostly listen to rap but also a little country ��. Thanks and god bless







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    Re: Obsidian audio 18??

    Id get the single fi sp4. Should dig wayyy lower. What vehicle this stuff goin in?






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    Re: Obsidian audio 18??

    I would go straight cone area if you have the room for it do the 2 obsidian's they will absolutely get down. I love my 15's my they will straight dig in the right box.



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    Re: Obsidian audio 18??

    2004 f150...four door I took the whole back seat out already




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    Re: Obsidian audio 18??

    Quote Originally Posted by zeke813505 View Post
    2004 f150...four door I took the whole back seat out already
    Yea I would go with the higher cone area setup with obisdian's or save up a little more or what ever and get 2 Fi SSD 18's that would slap too.



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    Re: Obsidian audio 18??

    Quote Originally Posted by xShoWTeKx View Post
    Yea I would go with the higher cone area setup with obisdian's or save up a little more or what ever and get 2 Fi SSD 18's.
    Exactly what I was going to suggest.



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    Re: Obsidian audio 18??

    Quote Originally Posted by RicksI30 View Post
    Exactly what I was going to suggest.
    great minds think alike



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    Re: Obsidian audio 18??

    Quote Originally Posted by Dtrom View Post
    Id get the single fi sp4. Should dig wayyy lower. What vehicle this stuff goin in?
    are you fucking high? unless that sp4 has twice the xmax of the obsidians (it doesn't, btw) it's not going to be louder on the lows.



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    Re: Obsidian audio 18??

    Quote Originally Posted by T.I.K. View Post
    are you fucking high? unless that sp4 has twice the xmax of the obsidians (it doesn't, btw) it's not going to be louder on the lows.
    It is twice the rms of both obsidian though. Would that really play a big role or no?




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    Re: Obsidian audio 18??

    Quote Originally Posted by T.I.K. View Post
    are you fucking high? unless that sp4 has twice the xmax of the obsidians (it doesn't, btw) it's not going to be louder on the lows.
    It is twice the rms of both obsidian though. Would that really play a big role or no?




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    Re: Obsidian audio 18??

    Quote Originally Posted by zeke813505 View Post

    It is twice the rms of both obsidian though. Would that really play a big role or no?
    RMS means nothing as to how loud something can get, it's how it uses the power sent to it.



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    Re: Obsidian audio 18??

    Quote Originally Posted by zeke813505 View Post

    It is twice the rms of both obsidian though. Would that really play a big role or no?
    Not nearly as big a role as how much air your system can move.

    even two OA 15's would probably be louder than a single 18" sp4



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    Re: Obsidian audio 18??

    I've heard Nicks ( owner of obsidian audio ) crx the first time I went up there. The 2 18's he's got in that car is insane! Nicks running 3kw on them and the subs seem to laugh at him. The car is a daily driver for demos.




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