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    XDrkmanX's Avatar
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    RE XXX box

    Does this sound about right for a box.

    4 cubic feet after all displacement
    Tuned to 36hz.
    Slot Ported

    1000 watts per sub.







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    nismo's Avatar
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    Re: RE XXX box

    Originally posted by XDrkmanX
    Does this sound about right for a box.

    4 cubic feet after all displacement
    Tuned to 36hz.
    Slot Ported

    1000 watts per sub.
    daily driver, spl setup, street bumps...what?

    thats about right for killer street output...but wouldnt sound the best for sq, or have the most output either...

    eric



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    I would say...
    SPL.




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    nismo's Avatar
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    best thing to do, is build you (or borrow) a sealed box. toss one of the subs youre gonna use in there, and measure the frequency response in your car, and outside (in an abandoned parking lot (if you can find one) or if there's an anechoic booth you have access to. there should be a peak right between 50 and 55 hz...that shows up on both of the rta printouts (when you lay one on top of the other) and thats your resonant frequency. then use winisd. figure out what the biggest possible box you can build is, and tune it so that the peak is right at the resonant frequency (dont tune it TO the resonant frequency, cuz it will peak wrong, and youll lose output)...

    bottom line...bigger box, perfect port, bigger peak.

    bigger peak...more trophies

    eric



    WANG MOON PRODUCTIONS, inc.

    overpecker & audiomobile's biggests ANTI-fan

    CLASS 'D' AMPS ARE NOT DIGITAL!!!! YOU WILL GET FLAMED BY SOMEONE...EVEN IF ITS NOT ME.

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    how did an sq guy get so versed on spl!?!


    wonder what happens when an sq guy hangs out with bassmonkeys all the time..?



    Dangerous and Unstable....
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    Originally posted by black00
    how did an sq guy get so versed on spl!?!


    wonder what happens when an sq guy hangs out with bassmonkeys all the time..?
    L

    O

    Y

    D

    do i need to spell it out?

    eric



    WANG MOON PRODUCTIONS, inc.

    overpecker & audiomobile's biggests ANTI-fan

    CLASS 'D' AMPS ARE NOT DIGITAL!!!! YOU WILL GET FLAMED BY SOMEONE...EVEN IF ITS NOT ME.

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    XDrkmanX's Avatar
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    I guess I forgot to mention that I don't know all that much about the tech side of car audio.




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    nismo's Avatar
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    Originally posted by XDrkmanX
    I guess I forgot to mention that I don't know all that much about the tech side of car audio.
    well, we'll either learn ya quick or drive you insane.

    eric



    WANG MOON PRODUCTIONS, inc.

    overpecker & audiomobile's biggests ANTI-fan

    CLASS 'D' AMPS ARE NOT DIGITAL!!!! YOU WILL GET FLAMED BY SOMEONE...EVEN IF ITS NOT ME.

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    Originally posted by nismo
    well, we'll either learn ya quick or drive you insane.

    eric

    Please teach me
    I'm tired of going up to Tweeter and making an *** out of myself.

    How do you measure FR?




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    nismo's Avatar
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    Originally posted by XDrkmanX
    Please teach me
    I'm tired of going up to Tweeter and making an *** out of myself.

    How do you measure FR?
    i think they call it 'hazing'...everybody makes fun of the new guy.

    the frequency response is measured on an rta (real time analyzer) and you should be able to get a print out of the peaks/dips. your car will naturally have a few of them at various frequencies. the peak in the 50 hz area is the most popular...and im guessing b/c its where the sub has the most effectiveness (as far as output)...the other guys (bigbassman, and black00, and a few others could likely explain it better, as im just working my way into spl...im an sq freak, soon to be bassmonkey)

    best bet is to go to tweeter and tell them you need to find out exactly what your resonant frequency is...and go from there.

    eric



    WANG MOON PRODUCTIONS, inc.

    overpecker & audiomobile's biggests ANTI-fan

    CLASS 'D' AMPS ARE NOT DIGITAL!!!! YOU WILL GET FLAMED BY SOMEONE...EVEN IF ITS NOT ME.

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    Thanks for all your help.

    The box info above is what the tech's at REAUDIO sent me.

    I'll wait for other to post and see what they say.




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    Well my man if your going for straight SPL just like the wemon say bigger IS better. You just gotta know what to do with the box, test out different hz ranges, different amounts of port space. are you a good carpenter? if so then building the boxes wont be a problem if your not then it might get kinda expensive. Your best bet might be a daily driver box built to what RE says.




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    Originally posted by XDrkmanX
    Thanks for all your help.

    The box info above is what the tech's at REAUDIO sent me.

    I'll wait for other to post and see what they say.
    Well...guess what....
    "Tech at ReAudio" is <drum roll please> "Team PSI" on this board....yes...he's a posting member of this particular board....he happens to be me best friend.... (and personal chearleading squad)

    I'm very sure that the box in question is gonna be a daily driver box that can beat like a hammer...cause thats how david (Team PSI / Tech @ Reaudio) thinks. He wants it to beas "LOUD AS IT POSSIBLY CAN BE!" while still able to play music, it posesses him.

    WHAAAAAAAAAA!



    Dangerous and Unstable....
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  14. #14
    bigbassman's Avatar
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    Originally posted by black00
    Well...guess what....
    "Tech at ReAudio" is <drum roll please> "Team PSI" on this board....yes...he's a posting member of this particular board....he happens to be me best friend.... (and personal chearleading squad)

    I'm very sure that the box in question is gonna be a daily driver box that can beat like a hammer...cause thats how david (Team PSI / Tech @ Reaudio) thinks. He wants it to beas "LOUD AS IT POSSIBLY CAN BE!" while still able to play music, it posesses him.

    WHAAAAAAAAAA!
    Im surprised David has time to answer emails... chronic masturbators really don't have alot of spare time...

    Loyd L.



    SQL Prolly

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    Originally posted by bigbassman
    Im surprised David has time to answer emails... chronic masturbators really don't have alot of spare time...

    Loyd L.
    you seem to have mastered the 'type with one hand' skills...

    eric



    WANG MOON PRODUCTIONS, inc.

    overpecker & audiomobile's biggests ANTI-fan

    CLASS 'D' AMPS ARE NOT DIGITAL!!!! YOU WILL GET FLAMED BY SOMEONE...EVEN IF ITS NOT ME.

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