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 Sub Box Mdf Wood Thickness? - How thick for PORTED or sealed??  

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boostn247
  • boostn247
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  • Joined: 14-July 04
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Post #1 post 17th November 2004 - 02:13 PM
Ok

Im building either a sealed sub box for 2x12's 18mm mdf, cause 21mm mdf is hard to find 4 me @ the moment!!!


do ported boxes have to be 18mm mdf, or can you go 12/15mm mdf, cause they wont be so flexed, just curious!

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`nigno
Post #2

15 should be alright, 12 might flex a bit on ya, ideally go the 18 or 21 though, the less flex/vibration the better. Your choice, from my experience if you skimp on the box and other basic shit, your never gonna get it sounding as good as you possibly could. meh my 2c

D1_Spec
Post #3

yer i used 18mm for two 15" subs and that is alright,
so yer i reckon 18mm or the 21mm if u can find it

boostn247
Post #4

benigno

dude thanks

ill go 18mm i reckon, liquid nails & a shit load of counter sunk screws! thumbsup.gif

NISMOgemini
Post #5

12 and 15 or pron to split when u screw the box together (12mm WILL split unless u drill guid hose b4 each screw), best of minimum 18mm. less chance os spliting the timber when screwing it all together..

big929
Post #6

yep, use 18mm and u shouldnt have any probs

mshan26
Post #7

i used 12, yes i had to pre drill all the holes. I would ahve used thinker but i had all of it laying around the house. Ohhh yeah i covered my boxes the toher day. looks good now

4X4 Monkey
Post #8

u can use liquid nails but after soem time it would probly vibrate to dust
remember liquid nails does not set rock hard

I would use Car bog.. it great stuff u can sand it mold it and it seals air tight .. and air tight is what u want for a sealed box
static existence
Post #9

you should only use liquid nails to seal the box from the inside so you get no air leakage not to "glue" the box together but all u'd need is just some wood glue

Fhrx
Post #10

For the kind of pressure 2 fully powered quality 12" subwoofers can push I am recommending a minimum of 25mm MDF or HDF, if you can make 36mm thick or 42mm thick even better. smile.gif

tripharn
Post #11

QUOTE
minimum of 25mm MDF or HDF, if you can make 36mm thick or 42mm thick even better. 


Stuff that... I would have no boot left after allowing for the space required for 2 ported 12" 's....

I've made mine from 18mm, got 2 x JL 12" subs.... ported box etc... runs fine. Well loud enough so that it can make you physically sick when not even at full volume. But then again, a good mono block amp helps too.

Tripharn

mshan26
Post #12

ok thats THICK, siscaflex (i cant spell) is the best to seal boxes with, its hell tuff and it still a bit flexdible. plus its white (dont no what that does but it counds good)

boostn247
Post #13

jesus..

so u reckon gluing 2x12 or 2x15 mm MDF wood together then cutting it to make box or what?

Gees that ll be one frigen heavey box, shees! blink.gif

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