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Old January 19th, 2013, 11:43 AM   #1
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Default Sub box help

I'm rebuilding my box yet again. Going from 2 12s to 3
Would it be better to build a one chamber box not ported for all 3 or a 3 chamber box, one for each sub, also not vented.

Btw this is a truck box so its small chambers.
I would assume 1 would be best being that the cu ft is under factory recommendation?
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Old January 19th, 2013, 12:04 PM   #2
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I like seperate boxes when ever possible. I think you get a better sound when several drivers arn't competing for the same air space. Just my personal thoughts.
If you are working with a small area consider building out of fiberglass and just using mdf where your drivers mount. You can use every inch of available space by building with glass.
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Old January 19th, 2013, 12:22 PM   #3
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I like seperate boxes when ever possible. I think you get a better sound when several drivers arn't competing for the same air space. Just my personal thoughts.
If you are working with a small area consider building out of fiberglass and just using mdf where your drivers mount. You can use every inch of available space by building with glass.
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Old January 19th, 2013, 12:56 PM   #4
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My only though ( which may be wrong)
If the sub req 2cu ft min. If I do single chambers it will be, say 1.5 each. if I did one single it would be 4.5 cu ft. I just don't know what would sound better.
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Old January 19th, 2013, 01:18 PM   #5
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I'd separate them

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Old January 19th, 2013, 01:18 PM   #6
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From my experience single chambers and if you can't give them what they want don't waste your time. two with the correct space will sound/perform better than three with incorrect.
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Old January 19th, 2013, 01:25 PM   #7
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From my experience single chambers and if you can't give them what they want don't waste your time. two with the correct space will sound/perform better than three with incorrect.
This x2.

A properly setup 1 woofer system can out perform a multiple woofer system that isn't setup properly.
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Old January 19th, 2013, 01:51 PM   #8
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This x2.

A properly setup 1 woofer system can out perform a multiple woofer system that isn't setup properly.
^what this guy said

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Old January 19th, 2013, 02:24 PM   #9
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With them all sharing the same air space they will "choke" each other out unless you have a pretty large port, with seperated parts to the box each sub can have their own airspace which IMO gives a cleaner/tighter sound.
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Old January 19th, 2013, 03:35 PM   #10
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Good to know. I will get the min specs and see if I am within them. I have to add up what my box is first than ill know if I have room.
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Old January 19th, 2013, 06:12 PM   #11
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Quote:
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From my experience single chambers and if you can't give them what they want don't waste your time. two with the correct space will sound/perform better than three with incorrect.

this
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Old January 19th, 2013, 08:37 PM   #12
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when does it not matter how much bass you have?
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Old January 19th, 2013, 08:43 PM   #13
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If you're doing 3 12's, have you considered instead of {ooo}, making it {o0o}? It would make it more of a triangle design, but you would create a lot more airspace.
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Old January 19th, 2013, 09:48 PM   #14
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Quote:
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From my experience single chambers and if you can't give them what they want don't waste your time. two with the correct space will sound/perform better than three with incorrect.
This man has it right! I have not seen a under boxed setup that would out perform a lesser number of correct volume subs.
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Old January 26th, 2013, 08:55 PM   #15
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.88 is min cu ft for a non vented box, so i should be good
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Old February 9th, 2013, 12:20 PM   #16
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What does filling the box with cotton do? I see this alot.
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Old February 9th, 2013, 12:25 PM   #17
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slows down the sound waves if I remeber right. Dont need much, I went overboard back in the day with bad results. Also if you have it ported it will probley come out anyways, mine did and I was always restuffing it back in. IMO you want that for a sealed box.
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Old February 9th, 2013, 01:40 PM   #18
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You can trick the woofers with poly fill to make up for the lack of space. In a sealed box. If this is going in a truck, you want a sealed box
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Old February 9th, 2013, 02:49 PM   #19
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Boom Boom!
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Old February 9th, 2013, 02:54 PM   #20
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Definatly seperate chambers. Also if your 2 12s arent cutting it for ya you can get nice results out of 4 10s with proper box and easier to fit them in a truck. Ive even listened to an s-10 with 8 infinity reference 8s that suprised the hell out of me!

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