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Reload Thread: Dual 10 4th order Bandpass Build

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    rpfuror's Avatar
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    Dual 10 4th order Bandpass Build

    I have been playing around with designs, this one is a 4th order 3 chamber (2 separate sealed firing into a single vented chamber) bandpass designed around a set of 10” assassins.

    Here are the specs:
    S Value : 0.70
    Gain : 2 dB
    Fb : 52Hz
    Passband :
    Lower cutoff 32Hz
    Upper cutoff 85Hz

















    More to come when it get a little warmer... Let me know what you think.



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    Re: Dual 10 4th order Bandpass Build

    looks good-can't wait



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    Re: Dual 10 4th order Bandpass Build

    subscribed!



    What did you say?

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    Re: Dual 10 4th order Bandpass Build

    I'll be watching this thread



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    Re: Dual 10 4th order Bandpass Build

    Here are a couple shots of the drivers:




    & a shot of the first sealed chambers face.



    I'll let the glue dry tonight and work some more tomorrow.



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    Re: Dual 10 4th order Bandpass Build

    Looks really good.

    Why are you recessing the subs if they aren't going to be visible?



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    Re: Dual 10 4th order Bandpass Build

    Excellent, can't wait for more pics!






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    Re: Dual 10 4th order Bandpass Build

    Quote Originally Posted by evan View Post
    Looks really good.

    Why are you recessing the subs if they aren't going to be visible?
    my guess would be less turbulance? lol but doesnt seem like it would be...since it is sealed anyways...




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    Re: Dual 10 4th order Bandpass Build

    nice my friend real nice.



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    Re: Dual 10 4th order Bandpass Build

    looking good, keep posting more pics please.




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    Re: Dual 10 4th order Bandpass Build

    looks like good cuts.

    nice box.



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    Re: Dual 10 4th order Bandpass Build

    Quote Originally Posted by evan View Post
    Looks really good.

    Why are you recessing the subs if they aren't going to be visible?
    I am recessing the subs so that the net volume of the port area is not effected by the small mass of the drivers face. With them sitting flush it would have caused turbulance due to restriction volume in the vented area and would have caused the passband to change.

    Also, I flipped the recess around to make it easier to place the driver, you will see in upcoming photos.
    Last edited by rpfuror; 01-29-2007 at 08:07 AM.



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    Re: Dual 10 4th order Bandpass Build

    Nice detail and some thought went into it.

    Are these going to be 180 degrees out a phase? Seems that they would cancel each other out firing that close at each other?

    Let us know how it tunes out.




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    Re: Dual 10 4th order Bandpass Build

    I designed it around the drivers being in phase, but I will be giving area to change this internal when I start to test.



    **rpfuror_designs**
    ** Ask me about box design and construction **

    Build: bigmike8771, bama350z, nismos14, speedyg76, onnoff7, orioles26, Airman21

    Design: RFmustang, e22s, Platestacker45, lilgator, diminishedpower, hannibal05

    Buy/Sell: 00maxima, Flyhalf, CaliforniabOY5, angrytrucker78, shawnfleming, dre2390 , IM IN HERE, Spellman, LazyRider, mikescanlon, AZ-ss, BLD 25, x1le woofercooker, Twisted_0912

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    Re: Dual 10 4th order Bandpass Build

    nice build kep the pics commin

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