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Old 06-12-2008   #26 (permalink)
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Quote:
Originally Posted by Cap'n'Crunch View Post
no, its not paper thin
if it were, 14 ply birtch would be about as thick as a CD

i dont care about your employment history BTW
I agree. I just asked my dad and he said that his work uses 1/12, 1/10, or 1/8 depending on the which type of plywood theyre making.
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Old 06-12-2008   #27 (permalink)
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be sure to take lots of video..i wanna see one of the knots pop out and hit someone in the nuts or something..should be sweet

lmfao, i laughed too hard at that comment. sorry
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Old 06-13-2008   #28 (permalink)
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Originally Posted by Cap'n'Crunch View Post
no, its not paper thin
if it were, 14 ply birtch would be about as thick as a CD

i dont care about your employment history BTW
well obviusly not literally paper thin. but its thin as ****. all im sayin is that the plywood used 2 make that box is porus as ****. i bet if you get a pic of the edge of that box you can see mad little air pockets in there. all im tryin 2 say. so dont bite my head off captain, who knows i might bite back...

oh and BTW its 13 ply
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Old 06-13-2008   #29 (permalink)
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plywood with sub boxes the thing u need to watch for is the grain splittin apart with the vibration of the box, the box bows some the grain spreads more it spreads more it brakes apart weaker it becomes and it will end up just breaken apart, id rather use osb board rather then plywood cuz u get alot more varity in the wood sizes and grain pattern to help hold it together. particle board and mdf though the grain does not effect any because their is no grain to it.
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Old 06-13-2008   #30 (permalink)
 
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Originally Posted by mattison187 View Post
well obviusly not literally paper thin. but its thin as ****. all im sayin is that the plywood used 2 make that box is porus as ****. i bet if you get a pic of the edge of that box you can see mad little air pockets in there. all im tryin 2 say. so dont bite my head off captain, who knows i might bite back...

oh and BTW its 13 ply
are you comming on to me?

and you can see how porus the edges are but couldnt tell that it wasnt made out of MDF?

and 14 was a typo
plywood almost always uses odd numbered layers to keep it from flexing

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Originally Posted by fusionblazer View Post
plywood with sub boxes the thing u need to watch for is the grain splittin apart with the vibration of the box, the box bows some the grain spreads more it spreads more it brakes apart weaker it becomes and it will end up just breaken apart, id rather use osb board rather then plywood cuz u get alot more varity in the wood sizes and grain pattern to help hold it together. particle board and mdf though the grain does not effect any because their is no grain to it.
thats only if you dont pre-drill a hole
the same thing will happen to any wood
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Old 06-13-2008   #31 (permalink)
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Quote:
Originally Posted by Cap'n'Crunch View Post
are you comming on to me?

and you can see how porus the edges are but couldnt tell that it wasnt made out of MDF?

and 14 was a typo
plywood almost always uses odd numbered layers to keep it from flexing



thats only if you dont pre-drill a hole
the same thing will happen to any wood
when did i say that was mdf????

and its usually odd #s cuz theres usually a center ply.
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Old 06-13-2008   #32 (permalink)
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just Build a proper box for it..
that one looks like there was no thought to it,
like a "lets try this" design
its obvious you have more room wherever that enclosure sits cause you need room for them
asses to stick out...
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Old 06-13-2008   #33 (permalink)
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Originally Posted by usmc7980 View Post
I wonder how the plain old ply is gonna hold up
being 3/4 with chambers and 2x2 inner frame, you can jump on the thing and it wont move
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Old 06-13-2008   #34 (permalink)
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what species of wood for the ply, just curious?
no idea
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Old 06-13-2008   #35 (permalink)
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Quote:
Originally Posted by goingdef View Post
how does that box compare to say all four firing off the same face with porting
i was trying to make 1 that had all 4 lined up, but it wouldnt fit in my car. so i came up with this design. and as for ported, its loud and all, but with sealed, it sounds so clean.
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Old 06-13-2008   #36 (permalink)
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[quote=goingdef;662417]
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Originally Posted by sri3850341 View Post
it is called compound loading,iirc

so is that using the subs to push/pull each other and are they easy to bottom out that way or need less rms wattage to run at full tilt or is it just plain louder because the subs match each other in throw resulting in a much faster harder punching sub
not compound loading. its chambered 4 ways
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Old 06-13-2008   #37 (permalink)
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Quote:
Originally Posted by tater View Post
be sure to take lots of video..i wanna see one of the knots pop out and hit someone in the nuts or something..should be sweet
knots dont move. its layered plywood. 3/4 inch.
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Old 06-13-2008   #38 (permalink)
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its 3/4 inch and its made out of 5 evenly cut smaller sheets of ply. extremely strong. i didnt get flex on my 1/2 thick ply box i used to run. the 2x2 frame kills all movement. the design was a lets try it, and it works excellent. vids coming as soon as i can find someone to help me get it out of my room and into my car. it weighs a ton
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Old 09-02-2008   #39 (permalink)
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Finally Got videos! better 1's still to come.

http://video.cardomain.com/clip.aspx...3A33E7EB288EAB

http://video.cardomain.com/clip.aspx...6DBECEAE50FC25
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Old 09-02-2008   #40 (permalink)
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lol..not bad.
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Old 09-08-2008   #41 (permalink)
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http://video.cardomain.com/clip.aspx...3AD84BCFFBF7BF

Newest Video. Did it up nice too.
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Old 09-08-2008   #42 (permalink)
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i still say Build an enclosure ported or what have you.there has to be cancellation if you have the asses sticking out the front and the rears firing to the rear,no where for the front waves to go and the rear waves are going to bounce off the waves from the front subs when there trying to find a place to go...just my opinion but you have more usable room to obtain more performance with just 2.you also say each sub is in its own sealed enclosure,is that correct??just trying to help you out,your leaving some pressure on the table...
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Old 09-08-2008   #43 (permalink)
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i have a ta7402 and ta91002 (HUGE 2 channel) for sale if you want more matching amps
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but like I said, I have thrust balls if you want them and I may possibly have a shock shaft that you said is bent.
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Old 09-08-2008   #44 (permalink)
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i still say Build an enclosure ported or what have you.there has to be cancellation if you have the asses sticking out the front and the rears firing to the rear,no where for the front waves to go and the rear waves are going to bounce off the waves from the front subs when there trying to find a place to go...just my opinion but you have more usable room to obtain more performance with just 2.you also say each sub is in its own sealed enclosure,is that correct??just trying to help you out,your leaving some pressure on the table...
i kno theres more to be desired. i have them firing opposite eachother and that seems to work good. i'll build a new box eventually, but for now this 1 is beasty. noone in my area has a close setup so im good.
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Old 09-08-2008   #45 (permalink)
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i have a ta7402 and ta91002 (HUGE 2 channel) for sale if you want more matching amps
saving for a sundown...thanx anyways!
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Old 09-08-2008   #46 (permalink)
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ahhhhhhhhhh me too..bastard lol
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but like I said, I have thrust balls if you want them and I may possibly have a shock shaft that you said is bent.
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Old 09-08-2008   #47 (permalink)
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compound loading in that specific circumstance is effectively making the box seem twice as large as it is to the subs, 2 times the motor strength firing in the same direction isnt something id ever use, but whatever.
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Old 10-05-2008   #48 (permalink)
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compound loading in that specific circumstance is effectively making the box seem twice as large as it is to the subs, 2 times the motor strength firing in the same direction isnt something id ever use, but whatever.
its not compound loading. just 4 separate chambers. i wouldn't do compound loading either
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