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AznRevlAzn
11-15-2004, 11:37 AM
http://l2concept.nrgservers.net/box1.JPG

http://l2concept.nrgservers.net/box2.JPG

http://l2concept.nrgservers.net/box3.JPG


tell me if i need any more work on it, besides the fact that i am only 50% done. The way it works is that I will have 2 Lanzar MAX12's (1000w RMS Each) or 2 B-52's (1000w RMS Each). For the subs, one of the drivers will be inside the box and the other woofer's driver outside the box (as shown).

If you see any flaws so far in it's design, please let me know.

Oh yeah, this is a perfect custom fit for my Volvo 960 Luxery Sedan :present: . Thats why you see the odd out of the blue cut-out on the upper left of the bottome of the box.

req
11-15-2004, 11:45 AM
i dunno. i guess it is interesting to say the least. there are a few questions i would ask about the wood, and how its ... connected?

looking at a few spots (under the driver, the right wall, and the wall directly left of the driver) makes me think a little bit. im not sure how you made this, but i guess it looks like it should work.

AznRevlAzn
11-15-2004, 11:51 AM
it's going to be a completely sealed enclosure with no air flow ports what-so-ever. I only got about 2 sides left to finish (minus the custom fit blocks for the gayness of a volvo trunk design).

iono if this would work though, i mean, when one subwoofer is pushing the air (the right speaker) into the box and the other subwoofer (the left) pushs the air outside the box, the inside of the box should be an even flow of air even though it is a sealed enclosure. I tested with what i have done so far (3rd pic) and the sound is crap, lol everything in trunk was vibrating so i'll need some dynamat.

BASS OUTLAW
11-15-2004, 11:58 AM
@ my first look b4 reading ur posts, i thought its gonna be vented box, with a large port area ;)

btw , how much cuft came out from that ??

squeak9798
11-15-2004, 12:00 PM
Those B-52's are pretty old school, aren't they?

AznRevlAzn
11-15-2004, 12:04 PM
umm, i think about 2-3 cubic feet, Not too sure. And yeah, these B-52's are old skool competition speakers. Nice tight bass as well. And the best part... ...I got them for free from my cousin bwuahahaha.

tRiGgEr
11-15-2004, 12:12 PM
There will be no air flow... Just compressed air...

req
11-15-2004, 12:17 PM
it sounds like you have one sub INSIDE the box like regular, and the other mounted on TOP of that sub, in reverse outside the box.

i suppose it should work for SMALL SEALED ENCLOSURES.. but 2'^3 is alot. im not sure about this one.

ShakinSupra
11-15-2004, 12:21 PM
It should work, but when you wire up the subs, the one with the magnet mounted outside the enclosure should be wired out of phase with the first so they are moving together correctly.

AznRevlAzn
11-15-2004, 12:32 PM
if i need to make it smaller, because i am near the final phase, it won't be a problem for me to shorten the back of the box. Takes like what? 30 minutes tops? Not much of a waste of time for me. So if i do in fact need to make it smaller, please tell me y/n. Knowing this will be crucial for my project.

tRiGgEr
11-15-2004, 12:36 PM
I still don't know what you are trying to accomplish. I don't even think you know what your building.

Are you saying it is an Isobaric enclosure???

req
11-15-2004, 12:38 PM
thats what it sounds like to me tiggerman ;)

can we get a picture of the INSIDE of the box with the subwoofers installed?

tRiGgEr
11-15-2004, 12:45 PM
thats what it sounds like to me tiggerman ;)

can we get a picture of the INSIDE of the box with the subwoofers installed?

Ahh ok.

If it is an isobaric inclosure we can not confirm anything by looking at a pic. Except on how purdy it is...

dbornotdb
11-15-2004, 12:48 PM
Definatly sounds Iso to me.
When an Iso was used, it was to be able to use a smaller box than needed for 1 of the same subs, but cost you 2 subs. If your sub needed 2cuft, Iso would allow it in 1cuft, as an example. You have to wire it with the sub outside, out of phase with the sub inside but on the same channel or in mono.

I'm gonna sit back andwatch this one develope. :popcorn:

AznRevlAzn
11-15-2004, 12:57 PM
hmm, so i guess i have to make this enclosure a bit smaller eh? No problem. And i guess you guys are correct about bteh enclosure being WAY too big for an isobaric. I'll trim off about 4-5 inches from the back. But i'll test out how it performs with it's current size.

dbornotdb
11-15-2004, 01:02 PM
So what part is the back?

When first looking at it, I was thinking where the green lines are was the back. It looks as if you can't remove any from there. Looks tight now on space for the inside sub.

Is the back where the unfinished side is? Pics of the inside of the box??

AznRevlAzn
11-15-2004, 01:10 PM
well, the front is there you see the sub, the back is opposite to that side.

tRiGgEr
11-15-2004, 01:12 PM
well, the front is there you see the sub, the back is opposite to that side.

No duh.

But where is the second sub going. Does not look like enough room behind the first one.

dbornotdb
11-15-2004, 01:27 PM
well, the front is there you see the sub, the back is opposite to that side.


Why didn't I think of that? :wow:
Then I don't see you trimming the back off. It could have been going to be mounted so the unfinished part was against the seat back or something. You will need to start cutting that area down. And it will help if you know what subs you are going to use. You have that figured out yet??

swimfreak26
11-15-2004, 02:08 PM
Do you know how big the box actually is? You really need to design a box based on the subs you're using, not on the vehicle they're going in.

AznRevlAzn
11-15-2004, 06:02 PM
http://l2concept.nrgservers.net/box4.JPG

http://l2concept.nrgservers.net/box5.JPG

this is the near finished product. w00t w00t. Now i have decided to only have one sub, preferably a Audiobahn AW152T 15" 1300W Excursion Subwoofer. Don;t worry, i'll make the cut out biggr until i recieve the subwoofer. Wish me luck!

as you can see in the above pictures, the second subwoofer would have been placed on the front left, you know that big blank area of disgustingness. Anyways I might even decide to get 2 Audiobahn Excursions and put one of them in there, lol. But for now, that will be placement for my amp or some kind of emblem, Use your imagination.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=18804&item=5732233120

AznRevlAzn
11-15-2004, 06:45 PM
http://l2concept.nrgservers.net/box6.JPG

http://l2concept.nrgservers.net/box 7.JPG

and there it is in all it's glory, after taking another look at it, A 15" Audiobahn Excursion will not fit sadly, but none the less, this box BOOMS. I am so happy! Guess, i'll go for those Lanzars or another Audiobahn woofer.

Next up, i'll need to carpet this stuff, anyone know where i can get the regular grey carpeting?

JimJ
11-15-2004, 07:43 PM
Parts Express or Crutchfield's both sell gray auto carpet.

AznRevlAzn
11-15-2004, 09:06 PM
Parts Express or Crutchfield's both sell gray auto carpet.

thanks man!

tRiGgEr
11-17-2004, 11:10 AM
You know what. After lookig at your box and the way you discribed it you just threw something together not knowing what you were doing. That would not have been Isobaric. Just a large, abnormal sealed box with two subs in it.

On that note good sealed box...

BASS OUTLAW
11-17-2004, 11:17 AM
this enclosure is way large for 2 subs (normally mounted) not even iso.
but hey if it sound good 2 u, thats the important issue

req
11-17-2004, 11:22 AM
http://l2concept.nrgservers.net/box6.JPG

wow dude. that box could eaisly be half that size and still play loud. id be very careful with the amout of power you give that woofer. it looks pretty old, and i dont think that its meant to go in what LOOKs to be about 4 cubic feet sealed. id make a bet that the thing is gonna start ripping apart with too much power too it.

that would be a classic example of how to reach a mechanical limit.

so be careful with the giains and volume dude. :fyi:

AznRevlAzn
11-17-2004, 11:46 AM
yeah, i never go any higher than it was meant to go. I know the limits of these B-52's and i used a Tone CD to make sure i had it just right and safe.

When i get the Audiobahns, i don't think it would really matter after that lol.

also, the way i designed it, i can still actually cut this thing smaller by removing the excess at the back of the box. I still got some extra MDF so i am basically prepared for the worse. But as of right now, this box booms like my bandpass box never did. And the bandpass was just as big as the box i have right now maybe a bit smaller.

tRiGgEr
11-17-2004, 11:47 AM
Hey as long as your happy bro.

packerfan
11-19-2004, 06:47 PM
Those are some phatty ricer neons ya got there ;)

jellyfish420
11-19-2004, 08:35 PM
http://l2concept.nrgservers.net/box 7.JPG

that sticker in the back side window almost looks like a screen in the head rest...