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    Best tuning for streetbeat comp?

    It's going to be in a ranger blow thru with an opening of 40" wide, as deep as it needs to be (up to 60") & 16" tall. 2 15" FI BTL's fully loaded and 2 Orion 2500. It's also a daily, so I'm trying to figure out what would be the best tuning. Whats your input?



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    Re: Best tuning for streetbeat comp?

    you still need to tune high for the meter, so make yourself a changeable port box.
    Lower/longer for daily, then have a competition port.



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    Re: Best tuning for streetbeat comp?

    37ish - 40ish.




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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by djman37 View Post
    you still need to tune high for the meter, so make yourself a changeable port box.
    Lower/longer for daily, then have a competition port.
    I think I can do that. What should I tune for the streetbeat port? I personally like 34hz for daily.


    Thx hoss. You posted before mine did, lol.



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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by oxsign View Post
    I think I can do that. What should I tune for the streetbeat port? I personally like 34hz for daily.


    Thx hoss. You posted before mine did, lol.
    depends on the res freq of your ride



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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by stuckinok View Post
    depends on the res freq of your ride
    That i'm not to sure. I peak at 50hz with the setup I have now. It's a very small space (single cab ford ranger).



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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by stuckinok View Post
    depends on the res freq of your ride
    you are going to tune below this anyways, and with a daily driver/street-beat/bass boxing set you are going to want a flatter response rather than a peaky response anyways.

    i have always had success with daily driver spl set ups tuned in the upper 30's to low 40's. much higher and your peak will start taking away from your lower end for daily, and your extended range for bass boxing. plus the vehicles transfer function will help with the down lows for daily




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    Re: Best tuning for streetbeat comp?

    gotta sealed enclosure? if so run tones one by one from 30Hz to 80Hz inside the car, then do the same with the same sealed enclosure and termlab mic outside the car. Subtract inside-car values from outside car values and the highest is your car's peak freq. I gotta whole tutorial on it from polecat, I can send you the file via email if you want it



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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by hoss View Post
    you are going to tune below this anyways, and with a daily driver/street-beat/bass boxing set you are going to want a flatter response rather than a peaky response anyways.

    i have always had success with daily driver spl set ups tuned in the upper 30's to low 40's. much higher and your peak will start taking away from your lower end for daily, and your extended range for bass boxing. plus the vehicles transfer function will help with the down lows for daily
    but he said he was going to try to do a removable port



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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by thegreatestpenn View Post
    gotta sealed enclosure? if so run tones one by one from 30Hz to 80Hz inside the car, then do the same with the same sealed enclosure and termlab mic outside the car. Subtract inside-car values from outside car values and the highest is your car's peak freq. I gotta whole tutorial on it from polecat, I can send you the file via email if you want it
    That would be great. Please send it to me at oxsign@earthlink.net thx.



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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by stuckinok View Post
    but he said he was going to try to do a removable port
    I will do this if it will give me the best results. I am open to anything right now. Thx for the help guys.



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    Re: Best tuning for streetbeat comp?

    can i receive a copy also please at pioneerpimp317@yahoo.com, seems very interesting.



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    Re: Best tuning for streetbeat comp?

    i dont think changeable ports are neccisary at all...

    your vehicles transfer function will help carry the low end as long as you dont go excessivly high on the tuning. and you can get suprisingly loud without tuning to the absolute peak enclosure. a large box ported around 40Hz will do good numbers on a mic, and sound reasonably good at the same time.

    a box can provide dual functions, its just a compromise between what you want to gain and what you are willing to sacrifice. and i think you can ask anyone who sat in my explorer or my silverado, they didnt sacrifice much from either end




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    Re: Best tuning for streetbeat comp?

    Quote Originally Posted by hoss View Post
    a large box ported around 40Hz will do good numbers on a mic, and sound reasonably good at the same time.

    a box can provide dual functions, its just a compromise between what you want to gain and what you are willing to sacrifice. and i think you can ask anyone who sat in my explorer or my silverado, they didnt sacrifice much from either end
    I like your thinking hoss. Every box i've built in the past 3 years has been @ 40hz. IMO unless you are looking for SQ anything below 35 is pretty much useless but tuning at 40 always gives you that extra "umph" when you are showing off



    back at it...

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    Re: Best tuning for streetbeat comp?

    So a box that is 16H x 40W x 40D tuned to 40hz would have a port (in the center of the 15"s) 18"H x9"W x 15"D (roughly 165sq" of port)? Does that sound about right?
    Last edited by oxsign; 12-27-2007 at 02:02 PM.



    1971 VW Fastback
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