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Old 12-10-2008, 03:21 AM
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sneaky peaky!

heres a cardboard mockup of the box i decided to build. im happy with it,especially the cost. it only cost me 30$ for the wood instead of 400 for a box.

im prob going to do a window with plexi but im not positive yet.




Old 12-10-2008, 07:54 AM
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Nice! I can't wait to see this...

What direction will the sub face?
Old 12-10-2008, 09:55 AM
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Looks good dude, did you decide you were going to keep the car? I know a few weeks ago you were thinkin bout getting something new. Did you decide to keep it in the Acurazine family
Old 12-10-2008, 10:47 AM
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If you need some help Marty give me a call. I still have enough carpet that matches the trunk carpet left over from my box if you need some. Let me know....
Old 12-10-2008, 11:36 AM
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matt,i could DEF use the carpet,i was gonna have to figure out where to get it...also if u have any more of that dynamat ill buy some off u.


i decided to keep the car.

this is a very rough lookin mockup cause its cardboard lol...but i think the finished product should look real good.

i havent decided which way to face the sub but im leaning towards facing the armrest hole and putting a plexi in front so u can see the inside.
Old 12-10-2008, 11:56 AM
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I will let you know on the dynamat as I have a project that I am planning on doing over the Chrustmas break, but I should have alittle left. Probably not as much as you will need with the power you "should" be running with that sub........

Carpet is yours for free, there was only one place over by Fry's that sold a carpet that matched really well. It was pretty expensive, but I bought 3 times too much lol
Old 12-10-2008, 12:20 PM
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Looks like a good set up. Kind of looks like the one i'm getting this weekend but i have 2 JL subs. I wanted to do a plexi window, but dont think i'll have room with 2 subs because i plan on putting LEDs around the subs anyway but wated them inside as well.
Cant wait to see it finish, good luck
Old 12-10-2008, 01:30 PM
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lembowski: can you tell me where you got the matching carpet? can I order online? TIA

Marty: If you fire toward the front you'll get better bass if you seal off the front of the woofer from the rest of the trunk. I've been playing around with my box positioning over the last few weeks and noticed this.
Old 12-10-2008, 02:01 PM
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I'll have to check my receipt for the companies name and to see if they have a website.
Old 12-10-2008, 03:57 PM
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Thanks man. I appreciate the effort.
Old 12-10-2008, 05:32 PM
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Originally Posted by lembowski
I will let you know on the dynamat as I have a project that I am planning on doing over the Chrustmas break, but I should have alittle left. Probably not as much as you will need with the power you "should" be running with that sub........

Carpet is yours for free, there was only one place over by Fry's that sold a carpet that matched really well. It was pretty expensive, but I bought 3 times too much lol
Nevermind... I just saw Trew posted the same question.

Last edited by BlueAc; 12-10-2008 at 05:35 PM.
Old 12-11-2008, 11:18 PM
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well..i got everything wired up and the box built...i hooked it up,and there was alot of air coming out of the wire hole,but i tried to adjust it to sound right as much as possible before i took it back out to seal it completely over night.

the box didnt fit right,the sides were completely off....i really dont know how that happened...

also,when i did the mock up with the wood,its almost like it ruined the sound from the box just sitting in the trunk....it was sounding good all night but i just couldnt get the gain n stuff right to hit decent with decent sound. i just dont feel like its hitting hard enough all around...its NOT blown,but to me it seems like it stopped hitting harder out of nowhere...i will mess with it more tomorrow,and i think im going to rethink my box build.
Old 12-12-2008, 01:55 AM
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i also forgot to mention that i accidently made the box about an inch and a half too deep because i didnt realize i had to use 1/4 inch smaller measurements cause i was using 5/8 wood...


soooo because i wasnt paying attn,i ended up with my box being 1/4 inch too wide...1/4 inch too tall...and 1-1/2 too deep...

so im going to just cut the back off and make it 2" less deep.
Old 12-12-2008, 01:57 AM
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Wow, awesome looking mock up - can't wait til this is done. IMO, do the window w/ plexi, i think it'll look cleaner. Damn these teaser pictures...keep us posted deltaboxxx!
Old 12-12-2008, 08:18 AM
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Can we see it before you scrap it?

You should get a speaker wire connector instead of just having the speaker wire come through a hole.

Also, make sure you seal ALL the joints air tight. I used wood glue on all the mating surfaces and I put a bead of silicone on all the joints.
Old 12-12-2008, 01:13 PM
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^thats what i did.
Old 12-12-2008, 02:21 PM
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Hmm.. The only other thing I can think of is maybe the inside volume doesn't match the recommended size from JL. It should be 1.25cf + the displacement of the sub.

Have you tried playing with the positioning of the sub to see if it will sound better?
Old 12-12-2008, 02:27 PM
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4th order bandpass fired through the armrest or out the rear deck where the OE sub was located...removes all mechanical noise as well as all unwanted harmonics...yields a 1.5 - 8 db gain depending on Q curve...not to mention drastically reduced trunk and rear package tray vibrations...

-Jason
Old 12-12-2008, 02:52 PM
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i noticed a difference with how far it sits from the back of the seat..if its too close,it sounds like shit.


my box should be exactly in specs now,im pretty sure, i cut it and put a new back and now its drying.
Old 12-12-2008, 03:24 PM
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WTF IS SQ? i thougt it was sound quality but i guess not? so what is SQ?
Old 12-12-2008, 05:23 PM
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SQ is sound quality...

_Jason
Old 12-12-2008, 06:48 PM
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ok..so im not crazy then lol
Old 12-12-2008, 06:53 PM
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Originally Posted by deltaboxxx
ok..so im not crazy then lol
Yes you are Too bad I can't see pictures at work I'll check it out when I get home.
Old 12-12-2008, 08:18 PM
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ok,so i got the wall built,and i put it in,and to me,it ruined the SQ ()


honestly,it feels like its not hitting nearly as hard as when i just had the box sitting in the middle front facing the armrest hole.

and now it has a slight rattle when it gets to a high bass part. (the sub,not the deck)
Old 12-12-2008, 08:19 PM
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Old 12-12-2008, 09:14 PM
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ok,so i just went for a drive...and it sounds like SHIT.

i think im going to take the wall down and just run it with the box in the middle,it sounded so much better then.
Old 12-13-2008, 10:59 AM
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Hey marti why dont you buy the box and then make an faux enclosure around the box to make it look like a wall.
Old 12-13-2008, 11:05 AM
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hmm interesting. cant wait till its finished
Old 12-13-2008, 12:52 PM
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its not the box that sounds like shit,its the enclosure that ruined the sound....;pay attention phong... lol


the box alone,in the middle front of the trunk,facing the arm rest sounds GOOD,but when i put the walls up,it ruined the sound big time...but it cut down trunk rattle 90%

id rather dynamat my whole trunk then run it like it is sounding like shit.
Old 12-13-2008, 01:22 PM
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Are you coming down tomorrow or today? If you want you can swing by and hang out tomorrow and let me check it out and see what you are talking about.
Old 12-13-2008, 01:34 PM
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im going down today but im going to be driving the diesel...still have one more load of stuff to take to storage then i am officially moved out.
Old 12-14-2008, 03:00 AM
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so can anyone else chime in on why they think adding the walls ruined my SQ?


should i maybe just make a flat wall? or no wall at all and just run the box in the middle like i started? it looks tacky like that.

helpppp...ima work on this prob all day tomorrow.
Old 12-14-2008, 10:45 AM
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Originally Posted by deltaboxxx
so can anyone else chime in on why they think adding the walls ruined my SQ?
The wall did not ruin your SQ. It killed your SPL. It's like a road block keeping the sound pressure from getting into the cabin of the car. Your enclosure also is hindering the bass from entering into the car. Assuming that your OEM sub was removed you should have way better bass response if you moved the woofer away from the seat back a little and ditched the wall. Yup... that will totally take up all your trunk space.

I know a guy that makes custom enclosures that fit into the rear corner of the trunk. It's sweet. Completely out of the way. The woofer fires straight back for maximum bass response and perfect sound quality. Let me know, I'll give you his contact info.
Old 12-14-2008, 11:15 AM
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Originally Posted by uncald4
I know a guy that makes custom enclosures that fit into the rear corner of the trunk. It's sweet. Completely out of the way. The woofer fires straight back for maximum bass response and perfect sound quality. Let me know, I'll give you his contact info.
LOL - I bet you do!

Do you by chance make one for the passenger side that can allow for the navi dvd to remain intact? I'm looking to put 2 JL 12w6's back there. I'm having the same problem as Marti and Matt (I Hate Cars). I don't want to lose my trunk space but it only sounds really good when I move the sub back away from the seat.

Let me know please.
Old 12-14-2008, 11:52 AM
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Originally Posted by Trew
Do you by chance make one for the passenger side that can allow for the navi dvd to remain intact?
I don't make one for that side because of the nav drive. I don't want to be the cause of system failure for anyone. Vibration or overheating that puppy will kill it with a quickness.

Just for the record.... a single 10" or 12" subwoofer in my custom enclosure is way louder and hits harder than the same sub in a wood box up against the seat. Most people only do a single enclosure and it's more than they expect. There is no better configuration for airspace, location and direction of fire.
Old 12-14-2008, 12:23 PM
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Originally Posted by uncald4
I don't make one for that side because of the nav drive. I don't want to be the cause of system failure for anyone. Vibration or overheating that puppy will kill it with a quickness.

Just for the record.... a single 10" or 12" subwoofer in my custom enclosure is way louder and hits harder than the same sub in a wood box up against the seat. Most people only do a single enclosure and it's more than they expect. There is no better configuration for airspace, location and direction of fire.
doesn't that depend on the sub and it's enclosure requirements?
Old 12-14-2008, 12:38 PM
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Originally Posted by eggyhustles
doesn't that depend on the sub and it's enclosure requirements?
Great question. I don't make universal enclosures. Every custom enclosure built is fabbed to the requirements of the subwoofer, the music preferences of the driver, the power capability of the amp and the parameters of the car. That's just to determine the airspace and firing direction of the sub.

A buyer can also pick the final look of the enclosure. Carpet, plexi, carbon fiber, Kevlar, vinyl, suede, etc..

EDIT: Sorry for the thread hijack. I'm done. Carry on.
Old 12-14-2008, 01:36 PM
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very funny travis lol..but thanks for the info...

i just dont want to spend that much on a box right now, my wife already flipped about the system when she found out..well i dont mind SO much,but my wife will,and i dont like to make her any more mad than i already do just by being me.

shes in the navy and shes gone on deployment,so when i bought it she didnt know,but when i told her,she was pissed...and i know if i bought a 350$ box,id be in troubleeee.
Old 12-14-2008, 01:37 PM
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just send me a pm with your design and dimensions,and ill make my own fiberglass one lol...

i learned how to use fiberglass in collision repair school.
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