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Reload Thread: The magestic 4th order

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    murph's Avatar
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    The magestic 4th order

    I know that the bigger the ratio the better but, when does this draw the line. Also on the sealed half what is recommended to go with the factory recommendation or what? Any other info that you may want to enlighten is appreciated.



    Hu: kenwood kdc-x995
    Sub: Boston acoustics G5 12 in a quasi 6th order
    Amp: Phoenix gold zx600.2 ti
    Front Speakers: Eclipse sc6500
    HIT UP FOR BASS ---> http://www.youtube.com/user/BassWithMurph?feature=mhee




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    Re: The magestic 4th order




    References: BigSix,

    This industry is about innovation and setting your own path

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    Re: The magestic 4th order

    Quote Originally Posted by VisceralSound View Post
    When in doubt, call upon Moble Enclosurs!

    and it's your*




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    Re: The magestic 4th order

    Quote Originally Posted by plantinseeds View Post
    When in doubt, call upon Moble Enclosurs!

    and it's your*
    There are many box builders on here with knowledge.



    Hu: kenwood kdc-x995
    Sub: Boston acoustics G5 12 in a quasi 6th order
    Amp: Phoenix gold zx600.2 ti
    Front Speakers: Eclipse sc6500
    HIT UP FOR BASS ---> http://www.youtube.com/user/BassWithMurph?feature=mhee

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    Re: The magestic 4th order

    Quote Originally Posted by plantinseeds View Post
    When in doubt, call upon Moble Enclosurs!

    and it's your*
    completely agree with this lol.

    also, if you want a quick answer you can run a simulation on winisd to get an idea, but for a detailed response wait for moble enclosures.
    last I heard he was pretty busy with box designs so might take a couple days but worth the wait




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    Re: The magestic 4th order

    Quote Originally Posted by RSDXzec View Post
    completely agree with this lol.

    also, if you want a quick answer you can run a simulation on winisd to get an idea, but for a detailed response wait for moble enclosures.
    last I heard he was pretty busy with box designs so might take a couple days but worth the wait
    I am looking for different facts no specific to an enclosure I am designing but, in general. Again there are many box builders on here with much knowledge.



    Hu: kenwood kdc-x995
    Sub: Boston acoustics G5 12 in a quasi 6th order
    Amp: Phoenix gold zx600.2 ti
    Front Speakers: Eclipse sc6500
    HIT UP FOR BASS ---> http://www.youtube.com/user/BassWithMurph?feature=mhee

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    Re: The magestic 4th order

    sealed half is sometimes to spec. other times it could be cut in half. all depends. i draw the line at 5:1 for daily.




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    Re: The magestic 4th order

    Quote Originally Posted by CAT MAN View Post
    sealed half is sometimes to spec. other times it could be cut in half. all depends. i draw the line at 5:1 for daily.
    What effect does no going to spec have on the performance? When looking for the best low end response I would assume cutting it in half would not be good.



    Hu: kenwood kdc-x995
    Sub: Boston acoustics G5 12 in a quasi 6th order
    Amp: Phoenix gold zx600.2 ti
    Front Speakers: Eclipse sc6500
    HIT UP FOR BASS ---> http://www.youtube.com/user/BassWithMurph?feature=mhee

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    Re: The magestic 4th order

    power handling also plays into the sealed side. there's a pretty good thread on caco about 4th orders.

    I'm just finishing my first one ever, for 10 18's. Pretty happy with it so far....




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    Re: The magestic 4th order

    I was told the sealed side should be smaller if you plan on big power but for low to moderate power you can go bigger I have built a couple in the past and they either sounded way to peaky or they sounded good but would eat woofers lol.



    "Originally Posted by Kangaroux" Bridging takes a way a lot of the SQ and it sounds extremely distorted. I believe when you bridge it it switches from a class A/B to a class D, but I"m not positive..

    "Originally Posted by lewshus " The ground shouldnt get any voltage?

    madcad-ninetyfail v.1

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    Re: The magestic 4th order

    depends on what ur requirements are for. the general rule of thumb is 3:1 but i have seen 1.5 :1 work pretty well but i havent gone over 3:1 before




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    Re: The magestic 4th order

    Quote Originally Posted by murph View Post
    There are many box builders on here with knowledge.
    Sorry, I totally agree haha.




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    Re: The magestic 4th order

    Yeah I know the ideal ratio is 3:1 and I plan to get as close to that as possible.



    Hu: kenwood kdc-x995
    Sub: Boston acoustics G5 12 in a quasi 6th order
    Amp: Phoenix gold zx600.2 ti
    Front Speakers: Eclipse sc6500
    HIT UP FOR BASS ---> http://www.youtube.com/user/BassWithMurph?feature=mhee

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    Re: The magestic 4th order

    My suggestion would be to keep the sealed chamber at spec of sub or just below it unless you enjoy buying subs.....i found this out the hard way......lol




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    murph's Avatar
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    Re: The magestic 4th order

    Quote Originally Posted by double 07 View Post
    My suggestion would be to keep the sealed chamber at spec of sub or just below it unless you enjoy buying subs.....i found this out the hard way......lol
    Ok so in a trunk would there be any benefit facing towards the trunk vs. aiming it in the cabin. (not sealed off) Does port size play a large factor in the performance the box?



    Hu: kenwood kdc-x995
    Sub: Boston acoustics G5 12 in a quasi 6th order
    Amp: Phoenix gold zx600.2 ti
    Front Speakers: Eclipse sc6500
    HIT UP FOR BASS ---> http://www.youtube.com/user/BassWithMurph?feature=mhee

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