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Old 05-11-2012, 06:46 PM
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Default ported wall or 4th order wall

Im stuck right now, im walling off the integra again, right now i have a shell built that is 24.7 cubic feet,
Plan on putting in 4 nightshade 15s, was wanting to go 7 cubes sealed firing into 14 cubes ported tuned to 45hz, but im afraid that after i add my baffles for subs and ports i wont have enough space,
i could easily go with a 12 cubic feet flat wall tuned to 35hz, but was wanting to try a 4th order

my question is, with the information given should i try to squeeze the 4ht order in or should i just go back with the flat wall ported

im wanting to kill the lows and have a demo monster with good spl
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Old 05-11-2012, 06:51 PM
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4th Order
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Old 05-11-2012, 06:54 PM
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thats what im wanting to do is the 4th just afraid with the limit space in my little car it will fail, lol
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Old 05-11-2012, 07:07 PM
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if u had to skim any do iton the sealed side it will work!!
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Old 05-11-2012, 07:10 PM
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ight thanks, much appreciated
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Old 05-11-2012, 08:43 PM
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anyone else have an opinion for me, kind of leaning towards the 4th order
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Old 05-11-2012, 08:56 PM
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4th order, its funny i was about to make a similar thread, but dont need too.ive been researching for a long time now. its a ton of things i like about 4th orders. but in my tahoe when ive ran sealed systems for some reason it seem did it pushed a ton of air even with sucky subs. i was quite surprised how loud 4 kenwood kfc-3011s got on 2 ap 15001s strapped. throat tickling loud move alot of air! i can only imagine a 4th order!
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Old 05-11-2012, 09:48 PM
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yea im wanting to try one bad, just struggling getting the volumes i need
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Old 05-12-2012, 09:21 PM
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would it benefit me to do a 4th order over a regular flat ported wall even if i cant get the full 21 cubes net for the 4th order
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Old 05-12-2012, 09:32 PM
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Quote:
Originally Posted by jmkanek View Post
would it benefit me to do a 4th order over a regular flat ported wall even if i cant get the full 21 cubes net for the 4th order
My wall for four 15s is a little under 7 ft^3 sealed and a little over 16 ft^3 ported. I would feel comfortable shrinking either side down by a bit. I might actually take out some volume on the ported side; it's still in the tuning stages. I've been extremely happy with mine so far...a 4th order "feels" completely different than a vented wall, much more brutal, lol.
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