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Old 09-03-2011, 03:50 PM
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Default Wall enclosure plans.

So, I'm drawing up the enclosure for my wall which is going to consist of 4 OA12d2's. I've got a box drawn up that is 7.74 cubes net (after woofer displacement and bracing, etc.) with 109 sq inches of port tuned to right around 34hz. Im curious if that is too much port for these woofers or if it should get down.

Also I'm going to be powering this with a Hifonics HiFi2500d @ 1 ohm (I know I know, cheap amp, wont do 2500, plan to upgrade when the wall is completed).

EDIT: changed a few numbers around.

Last edited by jinxd; 09-03-2011 at 06:15 PM.
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Old 09-03-2011, 06:31 PM
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Get it down to 7.0 ft^3 after all displacement. Port area looks fine.
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Old 09-03-2011, 06:42 PM
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what is this going in? If its a car, why not just do 2 12's off that amp
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Old 09-03-2011, 07:09 PM
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Quote:
Originally Posted by Electrodynamic View Post
Get it down to 7.0 ft^3 after all displacement. Port area looks fine.
Alrighty. Just curious to the reasoning behind 1.75 cubes per woofer instead of ~1.9 my current plans give them. Not disagreeing seeing as they're kind of your woofers and all!


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Originally Posted by dunbar91 View Post
what is this going in? If its a car, why not just do 2 12's off that amp
Nissan 200sx. I mean, that's like telling anyone that's built a wall "Why not 2 12's?", cause they wanna get loud! I plan on running more power once the money's right anyways.
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Old 09-03-2011, 07:15 PM
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Originally Posted by jinxd View Post
Nissan 200sx. I mean, that's like telling anyone that's built a wall "Why not 2 12's?", cause they wanna get loud! I plan on running more power once the money's right anyways.
Nope, didnt know you were planning on adding power so yeah if you were not adding more power the other 2 12's would be a waste. Just cuz you have 4 under powered subs doesnt mean its going to be louder than 2 subs powered perfect, need the power behind the cone area to make it shit.

anyways, i love my obsidians so im sure you;ll be happy
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