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d audio 450
01-04-2003, 01:21 AM
i know it would be alot harder than just a normal rectangle trisub box, but would biulding a box somewhat like the picture below be a stupid idea?, would anyone advise against it for any specific reasons?
any comments appreciated
thanks
-pat




the drwing aint the greatest, but i think i got the idea across- i would mount that middle sub upside down- its really just an idea--- id plan for there to be about 1.0cubic feet per 10"sub
thanks again

evo2k3
01-04-2003, 01:42 AM
no...the idea is fine....for simplity you could build the 3 boxes and glue them together....its a bit stronger, but you do have 2 extra peices of mdf in there....by upside down, do you mean inverted? (basket out) ....i dont know that i would advise that, although in theory it should work out ok to mix inverted and standard mount....just be sure to reverse polarity on the one thats inverted.

d audio 450
01-04-2003, 01:45 AM
im debating whether to do it or not- but definitly thanks for remimdin me to switch polarity on the inverted sub...not doing that would put it 180 out of phase- and cancel half the bass- def thanks man
-pat

evo2k3
01-04-2003, 12:21 PM
more like 2/3 the bass would be gone, if your like me, i would mess it uip and then spend hours figuring out why i dont have insane bass.

d audio 450
01-04-2003, 01:43 PM
yea, i put a syatem in for my friend with 2 12" xplods and a kenwood "1000w" amp- turned it on, cranked it up, and crap- the lousy-est bass youve ever herad, nothing real low, just like 150hz and it sounded like crap- lookin at the subs, you could tell that one wasnt actin right...it was pu;llin in while the other one was kickin out...then i realized that the person who hooked the speakers up to the box had switched the polarity on the one sub- making for close to 100% cancelation because the subs werent indpendently sealed, and SPL in the box wasnt going changing inside the box- fixed it, now it pounds like hell-
-pat