Box construction woes

[BiaBia 10+ year member]

So, here in Okinawa, they only have 1/2 MDF and smaller. I plan on pushing four 10'' TC Sounds subs (I can't remember what model... 175w RMS each) in a ported box @ 32hz. With internal bracing, would 1/2 MDF suffice?

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[bubbagumper6 5,000+ posts]

Do 2 layers all around...

 

[BiaBia 10+ year member]

Each sheet (based on ¥82:$1) is about $30... this is going to be one expensive box.

Any advice on any techniques (other than gluing two sheets together then building)? I'm afraid that if I did that it would split when I screw two pieces together.

 

[budahbuddy803 10+ year member]

It depends on how large the enclosure is I think. I would go ahead and build it with one layer and internal bracing, if when the glue dries, you hook it up, and it flexes, then you can add more exterior layers.

 

[BiaBia 10+ year member]

That's what I figured. I was tossing up the idea of fiberglassing the interior but it's almost triple what you would pay in the states.

 

[RAM_Designs 5,000+ posts]

I'm still trying to figure out what TC sub has a rms rating of 175 watts...what do they look like?

 

[BiaBia 10+ year member]

Nevermind, they're not TC subs. I had a TC before... these are Sundown SD-1 10s

 

[Buck 5,000+ posts]

If you do 1/2 MDF, I think you should just do a good amount of bracing. I wouldn't imagine you'd have too much flexing with 350w total. But you could brace the inside of the box kind of like a frame.

 

[BiaBia 10+ year member]

There's going to be a total of about 7-800w RMS going through four subs in a ported box. The box is looking to be about 4 cu/ft @ 32hz.

 

[CHEMMINS 10+ year member]

Can ya get baltic birch?

 

[BiaBia 10+ year member]

I'll have to check the stores today but pretty much the thickest material around here is all 1/2''.

 

[RAM_Designs 5,000+ posts]

SD-1's aren't going to tear your box apart if you do 1/2" with a good deal of internal bracing(basically no more than a foot between brace points). Go with a double baffle and flush mount them while you're at it. //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 

[BiaBia 10+ year member]

I'm going to pick up some wood this weekend then... need to get some designs. PM coming your way.

 

[gsuchyta 10+ year member]

for a 4 cubic foot box I would double up on the 1/2" that's just too big a box for just 1/2" even with a lot of bracing. I could understand for 2 10's but 4 I would double up on it.

 

[RAM_Designs 5,000+ posts]

for a 4 cubic foot box I would double up on the 1/2" that's just too big a box for just 1/2" even with a lot of bracing. I could understand for 2 10's but 4 I would double up on it.

He was able to find 18mm(~3/4") MDF.