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Reload Thread: 6th Order bandpass for DD1508

  1. #16
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    Re: 6th Order bandpass for DD1508

    By the way, might be the wrong place to ask about this, it should probably be a thread in it self, but how does a 6th order work exactly? I mean, I understand the basic principle, it's like a 4th order, except two ported instead of 1 sealed, so you get two different ported enclosures basically making the pass band range of the box wider with less of a one note wonder peak. My question is... wouldn't the box sound like two subwoofers working out of phase? When the sub moves one direction, one port inhales while the other exhales, the sub moves the other direction and it repeats just backwards and vice versa. Wouldn't this just sound like alot of rushing air with no actual sound pressure being created? Where is 80 to explain?



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    I design and build boxes.
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  2. #17
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    Re: 6th Order bandpass for DD1508

    lol some odd logic i guess...



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  3. #18
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by mmouse57 View Post
    the sub fires into chamber#1 that pressure which is tuned via the port effects the tuning of the low end or chamber#2

    these boxes are made to play a really narrow freq band but yeild a very nice +db boost at the tuned freq of chamber1 and 2.

    do it wrong and oyu have a mess for sound. these boxes are very boomy sounding if oyur into tight acurate bass 'SQ lovers' this box shouldnt ever be a thought in your head, but they can prodice some serious SPL in the freq band if its tuned right
    was explained already
    very nice building skills..it should workout well...but dam u got that box up quick..lol
    80




  4. #19
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    Re: 6th Order bandpass for DD1508

    this is the sub thats going in this box


    and it will be getting power from an mtx81000d.
    iam into 1 sub, high output systems and this should deliver very well.



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  5. #20
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    Re: 6th Order bandpass for DD1508

    Needs vids when installed



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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by thevic24 View Post
    hmm....
    is this for you? if so im happy to see you trying out my suggestion.
    i thought about doing one of my own but for 4 of them it was just going to be to big for the vehicle.


    EDIT:
    after checking the rest of the thread out my question was answered.




  7. #22
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by CJL View Post
    Needs vids when installed
    only if yall are good



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  8. #23
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by 80INCHES View Post
    was explained already
    very nice building skills..it should workout well...but dam u got that box up quick..lol
    80
    If you wouldn't mind, do you have a link to a post or thread explaining it? I've checked stickies, and I know the general principle behind it, that's all that is explained on most "informational" websites, they just don't go indepth enough for what I'm after.



    ----My Two 10's Flexin' ----
    http://www.youtube.com/watch?v=hLrj5PmrKVM
    Quote Originally Posted by mossberg385t View Post
    im calling goob greedy because the ad revenue was suppost to go to site maintenance and upkeep, i havent seen anything but a slow *** server, a virus, self centered mods, and excuses to be expected from steve meade. I just hope the money is going to a good cause such as a heroin addiction

    I design and build boxes.
    References
    http://www.caraudio.com/forum/showthread.php?t=404022


  9. #24
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by bones22 View Post
    is this for you? if so im happy to see you trying out my suggestion.
    i thought about doing one of my own but for 4 of them it was just going to be to big for the vehicle.
    tis for me, i took your suggestion, had 80 come up with a design and mr. ninja to do the build and i should get to enjoy it soon.



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  10. #25
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by thevic24 View Post
    tis for me, i took your suggestion, had 80 come up with a design and mr. ninja to do the build and i should get to enjoy it soon.
    im really looking forward to seeing the outcome of the box and how it works out.

    if it turns out how i hoped i have 12 - 1508's sitting here unused wanting to go in something.




  11. #26
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by bones22 View Post
    im really looking forward to seeing the outcome of the box and how it works out.

    if it turns out how i hoped i have 12 - 1508's sitting here unused wanting to go in something.
    12-1508's dam bro



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  12. #27
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by bones22 View Post
    im really looking forward to seeing the outcome of the box and how it works out.

    if it turns out how i hoped i have 12 - 1508's sitting here unused wanting to go in something.
    UHHh?


    You could sell me 1 or 4.















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  13. #28
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by thevic24 View Post
    12-1508's dam bro
    yep. just some stuff thats been in storage for a while.
    depending on the outcome of this i may find something to throw them all in and do my own 6th order




  14. #29
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    Re: 6th Order bandpass for DD1508

    Quote Originally Posted by bones22 View Post
    yep. just some stuff thats been in storage for a while.
    depending on the outcome of this i may find something to throw them all in and do my own 6th order
    thats going to be a really, really BIG box



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  15. #30
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    Re: 6th Order bandpass for DD1508

    some more pics of this sloow going build

    inside of the box will be fleckstone....and that is Plexi over the hole. Gonna be slick when finished









    Quote Originally Posted by chase007 View Post
    if u need a box...I'l taked 3 years of shop class so i know what im doing.

    after i explained to him there's more to a proper box than boards and glue and he should practice before trying to sell boxes to others

    Quote Originally Posted by chase007 View Post
    yes personaly if it was some one elce that just starting making boxes but i'v taken shop for 3 years now...Making a lil box is nothing i don't need to pratice on a box to get it right i learned alot of stuff from 1 box and i can fix that in my next box
    after i told him that customers would care about the looks of the box

    Quote Originally Posted by chase007 View Post
    if u want some thing that looks pretty why don't u find a black guy with a big d*ck.

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