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Reload Thread: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

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    4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    OK, I had 80INCHES design a 4th order BP for my quartet of 9Kv.2's.... I had them in a sealed box, 1.4cf, and was happy with the output (139.1 @ dash on TL), but wanted to try something different...

    After a couple days of listening, I'm pretty pleased with the results.... definitely louder than the sealed setup and hits MUCH harder, rock is pretty awesome. The subs are still taking the full 1200w and not having a problem with it. The lows are nice and, again, louder than with the sealed box. Overall, the setup has a fuller sound.

    Low pass is set to 80Hz, SSF to 30Hz, but I'm going to play with backing the SSF down a bit to see if I can get some more lows out of it

    Played some Lil Jon, Ying Yang twins, etc.... obviously the strong suit for this design. No complaints!

    The videos below were shot playing Late Night Tip and Georgia Dome.

    Questions, comments?

    VIDEOS:

    Video of hat in port

    Video of sub excursion

    Video of bottle on roof

    Video of some roof flex


    PICS:



























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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    I love how the coils are sooo close. lawl

    But anyways, dude, your boxes are amazing, but you don't need anyone to tell you that.

    Port is ****!

    8x4?



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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Saw a pic of this the other day............

    Sweet.
    I couldnt get the last 3 vids to work though.



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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Thanks guys...

    Yeah, apparently the last 3 vids haven't been "approved" yet or whatever.... it says to give it a few minutes...




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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Quote Originally Posted by kicker06 View Post
    Port is ****!
    8x4?
    5 x 12




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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Nothing wrong with 60" of port.

    So ****. I don't see how you attached the port to the front.

    How'd you do it?



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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Quote Originally Posted by kicker06 View Post
    Nothing wrong with 60" of port.

    So ****. I don't see how you attached the port to the front.

    How'd you do it?
    Glued & clamped to the front baffle, then used a flush bit on the router to cut it out... and then 1/2" roundover bit




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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Oh sweet. That's a good idea. So is it like a tongue and grove?



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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Quote Originally Posted by kicker06 View Post
    Oh sweet. That's a good idea. So is it like a tongue and grove?
    Nope, just secured with glue It's strong enough




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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    very nice build on the box, looks like it slams good.




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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Quote Originally Posted by mattmcss View Post
    very nice build on the box, looks like it slams good.
    Thanks I'm pretty happy with the performance for 4 8's...




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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Wow


    My mans got skills



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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Quote Originally Posted by Thieroff View Post
    Wow


    My mans got skills



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    Thank you very much!

    I uploaded the videos elsewhere, these should work...











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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    We will have to get that metered big guy



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    Re: 4th order box for 4 eD 9Kv.2's, designed by 80INCHES **PICS and VIDS**

    Quote Originally Posted by 9512ds View Post
    We will have to get that metered big guy
    You betcha!!!!




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