Enclosure Space Problems

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Old Dec 28, 2003 | 08:36 PM
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Enclosure Space Problems

The enclosure i plan on purchasing from subbox.net is a dual down fire for 2 12" subs. The owner of the site said i have 5" of mounting depth and about .65 cu ft. in a sealed enclosure to work with. Now my question is does anyone have recommendations for the best 12" subs that i can get that will fit in this enclosure. I know this question is kind of specific but any recommendations will be greatly appreciated.

Thanx for any tips
 
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Old Dec 29, 2003 | 10:46 AM
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I would say go with 2 10" subs or 1 12" sub instead. That is just not enough airspace for 2 12" subs at least not any that will have such a small depth and work in such a small air space correctly. If you go with any pair in that enclosure you are going to have a very high resonant frequency probably in the 80-95hz range. One other option that you can consider is stuffing the box with acoustistuff (polyfill) and it will help some if you are hell bent on getting 2 12" subs.
 
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Old Dec 29, 2003 | 03:26 PM
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to be completely honest i think it is pretty fair to say i am hell bent on getting 2 12" subs in my truck. I havent already purchased the aformentioned enclosure so it isnt a big deal that it wont provide the best sound. I am however willing to take suggestions from anyone that has done or knows where i can place the 2 12's. I am a little hesistant on building my own enclosure and dont really want to do any cutting. If anyone has an idea of where i can get a pre made enclosure that will give me more space to work with that would also be greatly appreciated.

anyway thanx for any and all advice
 
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Old Dec 29, 2003 | 05:27 PM
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Raise the seat..
 
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Old Dec 30, 2003 | 12:19 AM
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Well since you are definitely wanting to go the 2 12" route Roush said it best, raise the seat. That is your only option to get the airspace you need (well close to the airspace anyway). The only other option that you have would be to cut out metal and weld in a steel box to so you could extend the box below the floorpan. However, I think the brackets to raise the seat would appeal to you more. Then once you have the seat raised you should be able to get about 1 cu ft per sub. Look for a sub that will perform well in that small of an enclosure I would say check out the Eclipse aluminum cone subs I know that they work well in a small enclosure. I am sure there are also many others but the Eclipse is the only one I can think of right off hand.
 
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Old Dec 30, 2003 | 12:11 PM
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seat raising amount?

i have had friends that have raised the seat in order to get the space they desire. Among them 4" tended to be the most popular choice. In order to hit that magical 1 cu ft number how many inches would i have to raise the back seat in my 98'?
Also would i have to build my own enclosure or does anyone know where i can get one that is pre made that will give me the space i am looking for?

thanx again

Oh yeah if i got that 1 cu ft of space then filled the enclosure with some of that polyfill stuff will i be able to get peak performance?
 
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Old Dec 30, 2003 | 06:09 PM
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Do you need the back seat? You couls just get a hatchback box and stick it on the back seat. Or you could get a rectangular bansbass box or somthing along that line and put it on its end, and fold down the little seat on the drivers side and sit it there.l
 
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Old Dec 30, 2003 | 08:45 PM
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This guy does awsome work !!
http://www.woodlawncabinetry.com/
 
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Old Dec 31, 2003 | 12:54 PM
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ok u guys thanx

but one other question. does anybody no of another place where i can fit the subs besides the back seat? I believe i saw an enclosure that goes in the back part of where the passenger in the front puts their feet. If this can be done then maybe i could put a sub on the passengers side in the front and the drivers side in the back?

Anyway thanx for ur guys opinions
 
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Old Dec 31, 2003 | 11:04 PM
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sorry u guys that enclosure i just mentioned doesnt exist. it turns out the thing i was looking at is a kick panel. but honestly i cant get rid of the back seat, and dont really want to do anything so excessive as cutting any metal out. so if anyone has seen or has put their subs somewhere other then under the back seat ur input would be greatly appreciated.

thanx again

also does anyone know of some places on the web where i can get a seat lifting kit?
 
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Old Jan 16, 2004 | 11:46 PM
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Talking

See my thread

I replaced the lower part of the seat with my sub box. No cutting required. I am sure that a good box builder could fit 2 12's in there easily. Stay tuned for pics of my install.

The best part about the sub box is that I can still fit the same amount of ppl in my truck. (Although, they have to sit on the hard box instead of the soft seat....) But who cares? Its not like "I" am ever going to sit back there...
 

Last edited by t1n0m3n; Jan 16, 2004 at 11:50 PM.
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Old Jan 17, 2004 | 10:42 AM
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i have two thunder 8000 and they are awesome mtx makes a 9500 thats one better but are competition and may not have the mounting depth but the thunder 8000 are made in SVC and DVC and are 400 watts subs mine will hit so hard it will make an half empty coke jump out of the cup holder and sometimes a little too loud obnoxious as my wife likes to put it but when i chose my system money wasnt an option and i went with what would be best Two thunder 8000 and a mtx 801d mono block amp wired in parrellel pushing 800 watts per sub INSANE
 
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Old Jan 17, 2004 | 10:44 AM
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SOUND OFF AUDIO OUT OF FLORIDA WILL CUSTOM MAKE ANY BOX TO ANY SPECS THEY MADE MINE GOOD LOOK
 
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Old Jan 17, 2004 | 10:33 PM
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Originally posted by cgorris
I would say go with 2 10" subs or 1 12" sub instead. That is just not enough airspace for 2 12" subs at least not any that will have such a small depth and work in such a small air space correctly. If you go with any pair in that enclosure you are going to have a very high resonant frequency probably in the 80-95hz range. One other option that you can consider is stuffing the box with acoustistuff (polyfill) and it will help some if you are hell bent on getting 2 12" subs.
Cgorris is right. 2 10"s or 1 12" will be louder and more responsive than 2 12"s. There is just not enough air space. 2 12"s wont be able to resonate as much in the box therefore the sound wave wont be as long, there for it wont be as loud. If you care about the response and loudness of your system, i would go with 2 10"s or 1 12".
 
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