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Reload Thread: 8" Cement Form Tubes

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    8" Cement Form Tubes

    anyone ever used these instead of those black pvc pipes for their box? better yet, anyone ever tried flaring one and resining it?



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    Re: 8" Cement Form Tubes

    the cardboard ones?? for pouring cement into??? or made of cement???




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    Re: 8" Cement Form Tubes

    never tried it but i think ive seen it, not flared though




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    Re: 8" Cement Form Tubes

    Would work good for speaker enclosure. Nuff said.



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    Re: 8" Cement Form Tubes

    abs?




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    Re: 8" Cement Form Tubes

    yeah they work...they are called sonotubes or something like that....




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    Re: 8" Cement Form Tubes

    iono what they call it but its made of thick paper card board. if i can somehow moisten the ends of it, i might be able to flare it. seems like it would be less work then flaring an abs pvc from home depot or lowes and then add a few layers of resin when the flare is done. doesnt sound bad for $8 prolly use it non-flared for daily though.





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    Re: 8" Cement Form Tubes

    There's a tutorial online somewhere that shows how to make wood flares for them. Saw it on a HT site somewhere and it shows how to do an internal flare also. Do a search and I'm sure it'll come up. If not shoot me a PM as I know I have the link saved at home...

    Here's an external flare I did for a 10" one. Pic doesn't really show it, but I used a 1/2" round over on the inside and outside. Came out pretty nice and no port noise even without the inside part being flared.





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    Re: 8" Cement Form Tubes

    im deciding to use a 10inch tube for my 9515. that way, i doubt there would be port noise. im thinking that if i soak part of the end of the tube, i might be able to flare it using some kind of bowl and let it dry like that.

    Quote Originally Posted by mlstrass View Post
    There's a tutorial online somewhere that shows how to make wood flares for them. Saw it on a HT site somewhere and it shows how to do an internal flare also. Do a search and I'm sure it'll come up. If not shoot me a PM as I know I have the link saved at home...

    Here's an external flare I did for a 10" one. Pic doesn't really show it, but I used a 1/2" round over on the inside and outside. Came out pretty nice and no port noise even without the inside part being flared.

    cant really tell if its flared. anyways, you got pm bro.



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    Re: 8" Cement Form Tubes

    I've used a couple. I would just buy aeros though.



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    Re: 8" Cement Form Tubes

    i used those to make a cat scratching post for my sons kitten




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    Re: 8" Cement Form Tubes

    they come inside one another (3 or 4 i think) so they stretch....... i thought that you didnt want flex when using somteting for an elclosure????




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    Re: 8" Cement Form Tubes

    yeah you can flare using a roundover bit and router, i do it on mmost of my boxes. With pvc all you need is to add a "flare baffle" or essentially another peice of wood on top of the pvc to flare it. Hope you know what the hell im talking about
    here i found this link of a box i did a while ago
    http://www.caraudio.com/forum/showth...ghlight=kicker




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    Re: 8" Cement Form Tubes

    Quote Originally Posted by Fattony911 View Post
    yeah you can flare using a roundover bit and router, i do it on mmost of my boxes. With pvc all you need is to add a "flare baffle" or essentially another peice of wood on top of the pvc to flare it. Hope you know what the hell im talking about
    here i found this link of a box i did a while ago
    http://www.caraudio.com/forum/showth...ghlight=kicker
    he meant can you flare the cardboard tube.... not the pvc




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    Re: 8" Cement Form Tubes

    NO $HIT, but a couple posts up mlstress mentioned flaring the wood....




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