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3 12" Sealed vs 2 12" Ported


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Give me some pros and cons of both sides please.

Which is louder?

Which takes up more space?

If you need this info:

Car is a 4 door Blazer, daily driver. Subs are shitty Kickers until I can afford DCs. Haven't really decided on an amp yet.

On 2/28/2013 at 2:52 PM, Chaise said:

"Now spread your butt cheeks so I can zap your asshole."

2008 Subaru Forester XT

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Well ill just use general air requirements for an average 12. Generally its 1-1.2 cuft sealed and 2 cuft or so. So that being said 3 12's should be on in 3 cuft or a lil less since its shared air. Maybe like 2.7 cuft. As for ported its about 2 cuft each so roughly 4 cuft plus port displacement. Without designing a box and knowing the dimension of the port I couldn't say how much air it will displace. But well just say .5 cuft. So I'd say 3.7- 4.2 cuft should be ok. As for what would be louder its impossible to say for sure but in general ported > sealed.

Again this is all general without knowing the details of your equipment.

Hope this helps

P4killer

Setup:


2010 Hyundai Elantra


Factory Unit via 4 chan NVX LOC


Excessive Amperage "H/O" Alt


Xs D3400/ Xs XP3000


Big 3. 2 Runs of +, 2 Runs of -


DD M3b and 2 12" AQ HDC4s

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As a general rule, ported gains around 2.7-3 dbs versus sealed with all factors being equal. Same power, probably be about equal, with the ported design having an edge over the 3 sealed.

Former USAC Director

MECP Certified First Class of 1997

First car in the world to register 150db from the dash and sealed, in the trunk of an escort, with 2 10 inch subs. In 1997:

http://audioforum.termpro.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=51;t=002600

Just my part in the modern development of SPL competition:)

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