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Old 08-13-2009, 08:54 PM   #1
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Custom Trunk Sub Box

is finally complete! originally had plans to downfire it, but after making the cuts, realized it had to be moved to the side. Took out about 2" of back seat cushioning, but it sounds great! any q's just ask.

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Old 08-13-2009, 08:55 PM   #2
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Old 08-13-2009, 08:58 PM   #3
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Looks good!
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Old 08-13-2009, 09:09 PM   #4
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looks nice, now how are you going to finish the back seat?
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Old 08-13-2009, 09:14 PM   #5
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looks nice, now how are you going to finish the back seat?

well i think the duck tape should hold for the most part. if not then i'll have to think of something else. I might go back over the whole backseat with black ducktape so it all looks uniform.
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Old 08-13-2009, 09:22 PM   #6
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well i think the duck tape should hold for the most part. if not then i'll have to think of something else. I might go back over the whole backseat with black ducktape so it all looks uniform.
What if you just got some of that cloth or carpeting stuff you can get from Lowes and just stitch it back up?
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Old 08-13-2009, 09:33 PM   #7
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mmm i'll look into that. i didn't know they sold stuff like that. I called A.C. Moore and all the employees told me i'd have to go to some professional upholstry dealer for the fabric. i'm beginning to think that some might not like the duck tape look? haha.
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Old 08-13-2009, 09:34 PM   #8
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Did you slice and dice the padding out of the back of your seat and what for?
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Old 08-13-2009, 09:34 PM   #9
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It would be a slightly different color but I think it would look a lot better than the duct tape, but it is your Jeep so whatever you like
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Old 08-14-2009, 12:27 AM   #10
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if you are going to butcher your seat like that you better have a better sub to put in there than an xplode I mean come on not even JL?I would have put in a RF at the least but i would love a memphis 12 and memphis 4x6's in the dash with memphis 6 1/2's in the soundbar! Memphis all the way,its the way to go
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Old 08-14-2009, 06:31 AM   #11
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Did you slice and dice the padding out of the back of your seat and what for?
Ya i did. pretty easy took 10mins. had to let the sub breathe. the box was right flush against the back seat. and i dont want to remove it. plus. its not like i'm sitting back there. so i could care less.
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Old 08-14-2009, 06:35 AM   #12
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if you are going to butcher your seat like that you better have a better sub to put in there than an xplode I mean come on not even JL?I would have put in a RF at the least but i would love a memphis 12 and memphis 4x6's in the dash with memphis 6 1/2's in the soundbar! Memphis all the way,its the way to go
So do you even have aftermarket speakers in your jeep? and you can make your arguement for the sub box, but if you create the proper box with correct volume space, make the installation right and have a solid amp, you can make a shitty subwoofer sound amazing compared to an expensive one that's not fitted correctly. so for the time being. i'll keep with the cheapo sony till i need a new one. thanks for the opinion though.
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Old 08-14-2009, 06:37 AM   #13
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Why did you decide to go with front facing instead of down firing? Supposed to sound 10x better with a down firing sub.

Check out Terry Masons build.



He says the seat feels like it doesn't have the box under it but I'm sure you can feel the thing when it is pounding. Feeeeeel the viiibbbeeesss Some people might like it!

Not much box under there either.




I'm not giving you a hard time by the way just talking. I'm wanting to build my own custom down firing box once I get the money to do it the right way. I'd like to find some solid water proof subs so if things get wet I don't have to worry about it too much. We might be getting rid of the mustang pretty soon so I'll have two Fosgate 12's but they would be too big for a down firing box behind the seat.
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Old 08-14-2009, 07:15 AM   #14
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This is the kind of box I'm looking to build.

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Old 08-14-2009, 07:25 AM   #15
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We might be getting rid of the mustang pretty soon so I'll have two Fosgate 12's [B]but they would be too big for a down firing box behind the seat.
well my brilliant engineering budy and i constructed a box off of this 3D program for it all in the engineering dept on campus. we thought we had it made, so we cut the pieces and what do you know. we forgot to add in the 3/4" MDF. so the cuts were too big. there's only 13" from the bottom of the seat to the trunk door so once we cut them down we realized that it would be extremely tight to get that sub to downfire, even if we angled it, some of it would have been hitting the bottom floor. so i just decided to side fire it against the back seat. i wanted to downfire it, but i couldn't find a way to get it done without removing the back seat. i lookedat just4effect's and i can't figure out how he does it. but to be totally honest i was actually impressed with the sound of the thing. i feel like the back seat does something to make the bass sound deeper. i dunno. no pro here, just trying my best to be one.
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Old 08-14-2009, 07:27 AM   #16
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This is the kind of box I'm looking to build.

right that's exactly what i planned for mine. we just decided to extend the wood all the way accross the trunk so it'd look nice. plus like you see in one of those photos i could relieve some stress off the box and screwed the amp on that long back plate. plus don't forget about the back seat release and the hinges/lock to the trunk.
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Old 08-14-2009, 07:29 AM   #17
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Yea I'm thinking I'll have to go with 2x10's or something along those lines which aint a big deal but saying you have 2x12's seems to get peoples attention. Darn heep and lack of space!

ISO Cherokee =P


I'd like to get my hands on one of those box's because from the looks the Box is angled so it misses the hinge.
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Old 08-14-2009, 07:44 AM   #18
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I'd like to get my hands on one of those box's because from the looks the Box is angled so it misses the hinge.
The angled part goes against the back seat. you'd lose a lot of ability to utilize an effecient amount of cubic volume if you angled both sides of the box. i bet that box might be short enough though so you wont have to worry about it. are gonna make it yourself? 2 10's would be perfect it think. i mean i don't plan to make this thing go crazy, i like everything, but when i listen to my rock and alternative, i like the lower wavelengths from the woofer. the systems in jeeps are so hard to get lower end wavelengths with the sound bar w/o rattling the whole set up. i mean i put rope caulk around those speakers too to absorb the vibrations
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Old 08-14-2009, 07:46 AM   #19
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The angled part goes against the back seat. you'd lose a lot of ability to utilize an effecient amount of cubic volume if you angled both sides of the box. i bet that box might be short enough though so you wont have to worry about it. are gonna make it yourself?
I started drawing it by hand few months ago but a 3d program should would help. =P

I'd like to build it my self as a project because I hate buying pre-made stuff. There are a few other Wrangler down firing box's on the net that have the box built to miss all the hinges and other items on the tail gate.
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Old 08-14-2009, 07:58 AM   #20
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ya, it takes some time, buts its fun. go to crutchfield and type in how to build a sub box. i used a lot of that information to help me out through it all. i'd suggest 3/4" MDF and using 2" drywall screws, predrill the holes cuz the wood will split otherwise. also put glue on the screw and then screw it in. extra firm hold. and it would proabably be easiest to buy a larger sheet of MDF instead of those smaller ones. you never know if you'll make a mistake and need the extra wood too. from there, ya just need a table and jigsaw.
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Old 08-14-2009, 08:08 AM   #21
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ya, it takes some time, buts its fun. go to crutchfield and type in how to build a sub box. i used a lot of that information to help me out through it all. i'd suggest 3/4" MDF and using 2" drywall screws, predrill the holes cuz the wood will split otherwise. also put glue on the screw and then screw it in. extra firm hold. and it would proabably be easiest to buy a larger sheet of MDF instead of those smaller ones. you never know if you'll make a mistake and need the extra wood too. from there, ya just need a table and jigsaw.
Yea, I have basically all the tools to do it. I was a Carpenters Apprentice but the funny thing is. All the guys in wood shop were building sub box's and all us guys in Metal shop were just welding scraps together building all kinds of rusty weapons and really odd towers of scrap. I should have took wood shop I think.
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Old 08-14-2009, 08:14 AM   #22
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ha happens. ah well.

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