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    High density fiberboard

    Well, it's that time of the year. I'm a Senior in high school, and that means shop classes. I plan on finally finishing up my enclosure here in the shop, and I had a quick question.

    We're trying to get most of our wood from the local lumber shop. My instructor says they've got high density fiberboard, but he's not sure about MDF. Now, would 'HDF' work just as well as MDF? Do you guys know how much more expensive it'll be, if at all?





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    Re: High density fiberboard

    I expect functionally it would be better, though it's hard to tell if it's as easy to work with.... though I think MDF really is awful to work with and I'd see what you can get for a good "cabinet grade" plywood.




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    Re: High density fiberboard

    Quote Originally Posted by hispls View Post
    I expect functionally it would be better, though it's hard to tell if it's as easy to work with.... though I think MDF really is awful to work with and I'd see what you can get for a good "cabinet grade" plywood.
    I'm really curious how much stronger it'd be than MDF...it's probably gonna add some weight, though.





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    Re: High density fiberboard

    Quote Originally Posted by Full Tilt View Post
    I'm really curious how much stronger it'd be than MDF...it's probably gonna add some weight, though.
    You're going to have to just go for it and let us know how it works.




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    Re: High density fiberboard

    Quote Originally Posted by hispls View Post
    You're going to have to just go for it and let us know how it works.
    I might make a smaller enclosure for testing...I'd just hate to make a nice 6 cube enclosure out of the ish and have it end up not working as well.





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    Re: High density fiberboard

    It's a good bit heavier than MDF. Nice stuff to work with as far as getting sharp edges and other shaping is concerned. Eats bits and blades a bit quicker, too.



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    Re: High density fiberboard

    Ya dude I bet that is heavy heavy.



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    Re: High density fiberboard

    Quote Originally Posted by ciaonzo View Post
    It's a good bit heavier than MDF. Nice stuff to work with as far as getting sharp edges and other shaping is concerned. Eats bits and blades a bit quicker, too.
    Thanks for the reply. Is there any sort of difference in the structural integrity between the two?





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    Re: High density fiberboard

    HDF is stronger than MDF, and waaaayyy heavier. It's what high end home speaker cabinets are made with (covered in veneer). If you've ever had to move a piece of furniture like a computer desk that was made with HDF you'd know what I mean.



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    Re: High density fiberboard

    Quote Originally Posted by maylar View Post
    HDF is stronger than MDF, and waaaayyy heavier. It's what high end home speaker cabinets are made with (covered in veneer). If you've ever had to move a piece of furniture like a computer desk that was made with HDF you'd know what I mean.
    So do you think a 6 cube enclosure (possibly with a double baffle) would get a little too heavy?





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    Re: High density fiberboard

    That's gonna be really heavy. A sheet of 3/4" mdf 4x8 weighs 96 lbs. So im guessing hdf is probably gonna be around 150 lbs. Id like to see how it comes out considering I always split mdf =/




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    Re: High density fiberboard

    Quote Originally Posted by Full Tilt View Post
    Thanks for the reply. Is there any sort of difference in the structural integrity between the two?
    I'm guessing that it's less porous, not sure about that. Seems like a higher glue to wood ratio, makes a higher ring when you tap on it.



    Quote Originally Posted by audioholic View Post
    Saying "clipping doesn't kill speakers" is a half-truth at best. Technically no, clipping itself does not hurt the speaker. But in clipping your amp, you can easily create a situation that WILL kill the speaker. Was the squared waveform the DIRECT cause of the failure? No. In the end, the answer is, always has been, and can only be... heat kills speakers. BUT, clipping increases heat generation, sometimes by a drastic amount. So to start a thread simply to state that clipping does not hurt speakers is, again, a half-truth at best.

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    Re: High density fiberboard

    I suppose I'll do it simply for the experience. Thanks for the reply guys, I'll keep you updated as it goes together.





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    Careful, by those definitions Spider Monkey is a contributing member, I don't think he even knows what a subwoofer is.
    Quote Originally Posted by Truman View Post
    Thanks quackhead. Your the only person who agrees with me. Jesus Christ I have like 40 post and I've been called a ******* like 37 times

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    Re: High density fiberboard

    From my understanding most hdf isn't 3/4" thick. But from the stuff I've seen it is heavier but just as easy to work with.




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    Re: High density fiberboard

    And also hdf if most compressed and "dense" the Mdf




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