building speaker boxes
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building speaker boxes

  1. #1
    Senior Member slotracer's Avatar
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    Default building speaker boxes

    i need to build some boxes that are not just your everyday boxes. whats everyone using to build their boxes with? plywood or mdf? how thick is it?
    slot
    87 eliminator
    76 cole tr1-1/2
    next boat crazy
    new owner of the redneck yacht club
    stockton, ca.

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  3. #2
    ....at the Speed of Sound SPL2K's Avatar
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    Depends on size, shape, and the elements it will be exposed to but typically 3/4" MDF.

    Ive built about a million of them. Let me know if you need any help with design, dimensions, tuning, etc.

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    Senior Member slotracer's Avatar
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    1 set will be in an 1983 s-10 ext. cab behind the seat. it needs to be 2 seperate ones with a shelf in between for the amp. above the tire jack in the middle of the truck against the back of the cab. and the other set-up will be for my wife's eliminator open bow. i liked to put a couple under the back side and some under the front seats. need to enclose them in seperate boxes under the seats so i could still use the storage without having to worry about destroying the speakers. any help would be great. how do you tune boxes?
    Last edited by slotracer; 02-04-2010 at 06:16 AM.
    slot
    87 eliminator
    76 cole tr1-1/2
    next boat crazy
    new owner of the redneck yacht club
    stockton, ca.

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    Lord of the Drinks Havasu Hangin's Avatar
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    The key for box material is consistancy. Most shops use 3/4" MDF because it's easy to cut, and it's cheap.

    For strength, I would use marine plywood ("marine" means no gaps).

    Boxes are tuned based on the speaker specs.
    "Warming the globe...16 cylinders at a time."

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  6. #5
    Senior Member slotracer's Avatar
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    Quote Originally Posted by Havasu Hangin' View Post
    The key for box material is consistancy. Most shops use 3/4" MDF because it's easy to cut, and it's cheap.

    For strength, I would use marine plywood ("marine" means no gaps).

    Boxes are tuned based on the speaker specs.
    so should i buy the speakers first, then decide on the boxes?
    slot
    87 eliminator
    76 cole tr1-1/2
    next boat crazy
    new owner of the redneck yacht club
    stockton, ca.

  7. #6
    mud slinger plaster dave's Avatar
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    Quote Originally Posted by slotracer View Post
    so should i buy the speakers first, then decide on the boxes?
    yes
    Don't sweat the "Petty", Pet the Sweaty!

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    Senior Member ultra26shadow's Avatar
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    The box's for the boat I would coat them in some resin and cover in some marine grade carpet.

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    gotta disagree here....

    Figure out your box first(how much room you are willing to sacrifice), and then find a compatible speaker. Some speakers like small sealed boxes, others are designed for big ported ones.

    Being an extended cab, you should be able to do either....just depends on how much room you want to give up. MDF is preferred...

    The boat boxes I would go with marine plywood as suggested, and probably stick to a smaller sealed boxes....hate to have to vacuum water outta ports...... .....again though figure out how much room(box volume) you have and then go shopping....

    Quote Originally Posted by plaster dave View Post
    yes
    Last edited by camusmuse; 02-22-2010 at 11:46 PM.

  10. #9
    Senior Member slotracer's Avatar
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    its a learning curve here. never knew that speakers needed a certain size box to sound right.
    slot
    87 eliminator
    76 cole tr1-1/2
    next boat crazy
    new owner of the redneck yacht club
    stockton, ca.

  11. #10
    ....at the Speed of Sound SPL2K's Avatar
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    Quote Originally Posted by slotracer View Post
    its a learning curve here. never knew that speakers needed a certain size box to sound right.

    Yes...the sub box is as important as the sub itself. A $50 sub in the right box will out perform a $500 sub in the wrong box.

  12. #11
    Senior Member slotracer's Avatar
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    Mike, did you get my pictures?
    slot
    87 eliminator
    76 cole tr1-1/2
    next boat crazy
    new owner of the redneck yacht club
    stockton, ca.

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    True that....lol....

    I have seen guys spend thousands, only to be outdone by some hodge podge home speaker based setup.

    Not only is the box important, but also the placement, and if it is in a closed environment(below deck) or up top.... and even where the listener sits. What sounds good in the drivers seat, might sound horrible in the back.

    Of course there is a learning curve, and its a pretty big and diverse one. There are lots of different approaches to take to design and installation, and what works for one, might not work for the next....so in reality...each install has its own curve. One thing I have learned though....is the KISS concept...keep it simple. Dont get me wrong a heavily designed(and tweaked) system will probably outperform my basic setup, but at this point in my life I would rather be boating(err...working on the boat) than working on the stereo.

    Just for kicks...here is an OLD install my cousin and I did back in highschool in his extended cab s10.....keep in mind this was the early 90's....lol...didnt get into fiberglass for a couple more years.....



    That ended up being too much for him(hard to tell but there were two tens per side). He eventually went with just two tens....I still have, and use, the other two....lol... I tried like hell to talk him out of those rear fill mids....oh well....his ride, not mine....

    Quote Originally Posted by SPL2K View Post
    Yes...the sub box is as important as the sub itself. A $50 sub in the right box will out perform a $500 sub in the wrong box.

  14. #13
    ....at the Speed of Sound SPL2K's Avatar
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    Quote Originally Posted by camusmuse View Post
    Just for kicks...here is an OLD install my cousin and I did back in highschool in his extended cab s10......keep in mind this was the early 90's....lol

    haha...definately early 90's with fleck stone and a cd changer.

    Here is my "early 90's" install with fleck stone.

    16 and then 20 12's in my 90 civic hatchback.....






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    sorry to get off topic, but......

    oh thats just obnoxious.....I LIKE IT!!! What kind of subs are those? Looks like maybe neo magnets from the size....dont recognize the dust caps....the baskets look "standard"

    you had to have some phase problems there though....I worked on a couple similar builds.... I was really more in to SQ myself...with a few exceptions.

    cant knock the fleck stone for its time....i'd probably still use it....sparingly though....changes the Q of the box too..... lots of ways to tune a fish...

    I still use my changer...guess im stuck in the past....cant stand mp3...and love the old sony mobile es(and xes) gear....i even have the home version that uses the same sony 10 disk cartridges....and yes I will put my sq up against just about anything new..... carputers and digital crossovers are the future though

    Quote Originally Posted by SPL2K View Post
    haha...definately early 90's with fleck stone and a cd changer.

    Here is my "early 90's" install with fleck stone.

    16 and then 20 12's in my 90 civic hatchback.....






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