which would be louder? - Realm of Excursion



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Old 06-13-2008   #1 (permalink)
 
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Default which would be louder?

which of these would be louder?

a sealed box that is correct volume
or a ported box that is 20% too small for the sub
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Old 06-13-2008   #2 (permalink)
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what?
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Old 06-13-2008   #3 (permalink)
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lol ok this will help us better....

box rec specs..

box u can work with both seald and un seald...

and sub
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Old 06-13-2008   #4 (permalink)
 
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ok, i have 6 12,s the biggest box i can have is 32x32x14"

sealed they require 1.25ft^3

ported they require 1.75ft^3

i would like to use all 6, and for some reason it makes since that 6 12"s in an enclosure thats too small would be louder than 4 12's in an enclosure thats just right.....im sure thats wrong.....but it makes since to me
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Old 06-13-2008   #5 (permalink)
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um wow well i don't really know what to say you seem to have your mind made up allready. if it was me i'd go 4 ported, or have someone design a BP/horn/tline something different to get the most out of your subs.
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Old 06-13-2008   #6 (permalink)
 
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so you think 4 ported in a proper enclosure,would be louder than 6 ported in a slightly air starved enclosure?
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Old 06-13-2008   #7 (permalink)
 
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i was thinking about doing a new enclosure, i hate sealed....lol i have 4 sheets of mdf in my garage, with nothing to do with it
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Old 06-13-2008   #8 (permalink)
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Quote:
Originally Posted by GohillaAudio View Post
so you think 4 ported in a proper enclosure,would be louder than 6 ported in a slightly air starved enclosure?
yes IMHO
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Old 06-13-2008   #9 (permalink)
 
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ok, then the question is.....would 4 ported in a proper enclosure be louder than 6 sealed in a proper enclosure?
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Old 06-13-2008   #10 (permalink)
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now thats a good question and honestly no one can give you the answer, and if someone does their pulling answers out of their ass. theres so many variables honestly all i can say is go out make 2 different boxes and see which is "louder".
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Old 06-13-2008   #11 (permalink)
 
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yea, good call, prolly Build a new one tomorrow
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Old 06-13-2008   #12 (permalink)
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ported....you would be EXTREMELY surprised at how small of a box you can run for some subs
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Old 06-13-2008   #13 (permalink)
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Quote:
Originally Posted by dustin420 View Post
now thats a good question and honestly no one can give you the answer, and if someone does their pulling answers out of their ass. theres so many variables honestly all i can say is go out make 2 different boxes and see which is "louder".

this is a good reply, dont listen to any one else but this guy, ur best bet is to try both boxes (ur sealed you have and the new ported ur goin to make) and experiment, but imho, the ported will get lower no doubt, but not so much louder, but thats just me, good luck tho bro
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Old 06-13-2008   #14 (permalink)
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With six twelves, you should make a video of playing six twelves by webbie
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Old 06-14-2008   #15 (permalink)
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now im not 100% sure on this, could u make a box runnin 3 normal and 3 inverted have them all hooked up the same so each 2 uses the same air space, as one sub moves out the other moves in and vice versa, dont know if it works that way though.
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Old 06-14-2008   #16 (permalink)
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build the box for 6 12's...

the more woofers you run in a chamber the less volume per sub they need.
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Old 06-14-2008   #17 (permalink)
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Agreed, go ported.



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Old 06-14-2008   #18 (permalink)
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Quote:
Originally Posted by fusionblazer View Post
now im not 100% sure on this, could u make a box runnin 3 normal and 3 inverted have them all hooked up the same so each 2 uses the same air space, as one sub moves out the other moves in and vice versa, dont know if it works that way though.
its called push/pull or isobaric great for sq but sucks for spl.
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Old 06-14-2008   #19 (permalink)
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It doesn't "suck" for spl, it just costs more for amps and drivers. Great if you're strapped on space though.
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Old 06-14-2008   #20 (permalink)
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huh? not really a sealed box with one sub wil useally have the same output as 2 in an isbaric box. great if you don't have a lot of space and have to have 2 subs but not really worth it.
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Old 06-14-2008   #21 (permalink)
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Isobaric should only be used if space is an issue, since you loose 3dB output over a single sub...

ButYou have twice the Power handling and half the VAS, so if power isn't a problem(its cheap these days) it lets you get the same output with less space(but more power).

IMO its a poor compromise most of the time, I'd rather save space with a passive radiator...ports can eat up alot of a box when tuned low, passives use .1 cuft tops.



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Old 06-15-2008   #22 (permalink)
 
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what kind of Power are you planning to run...
if your going to run 6 12"s off more power than the 4 12"s ported, than go with 6 12"s sealed, if not, go with 4 12"s ported
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