My first fiberglass project
07-22-2007, 12:05 PM
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My first fiberglass project
I've always wanted a 4080 box but feel they are not worth the money. So this weekend I decided to make my own. For $90 of materials and about 10 -12 hrs of labor I came up with this. Not bad for my first project. It was messy as heck but once I got going it was pretty easy. If I had known it was this easy I would not have waisted $150 on the bazooka tube I no longer need. My next project will be some interior parts....after the smell of resin wears off for this job.
07-22-2007, 06:12 PM
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I actually have more room now the bazooka tube is gone....not even thinking of getting rid of the spare. Whatever doesn't fit in the trunk goes on the back seat....problem solved.
07-23-2007, 08:13 PM
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If I knew how to do that, I would do it even if it took me 30 hours. Nothing like the self satisfaction of being able to say, "I built that box by myself, costed me $90 and it looks and sounds great." Props man, looks real clean.
07-24-2007, 05:48 AM
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https://www.rx8club.com/series-i-do-yourself-forum-73/diy-custom-fiberglass-subwoofer-enclosure-guide-97522/
I read this thread before I started but took some additional steps. Where he used two fiberglass clothes/mats I used four.
07-25-2007, 12:10 PM
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Looks great. I built my first fiberglass box a couple months ago, and unfortunately I am sorta regretting it. It fits great and everything, the only problem is the sound. I think I messed up by buying a 12'' type r, I should have just gone with the 10 inch. Same sound and hits the same, just smaller. Anyway, the problem is that when I turn mine up as soon as it gets past a certain loudness, it almost sounds as if the center of the sub is hitting something at the back. I am almost positive that there was at least 2 inches from the back of the sub to the fiberglass. My friend has a 10'' type r and it sounds 10x better. So I was just wondering if anyone had any suggestions? I guess I will either have to live with this, or buy a new box 
. I think the sub may have just been too large in the first place. Does anyone know if other 12'' subs will be able to mount in the same pre-drilled screw holes i have already? Thanks
sorry to sidetrack from the original post, I'm happy to see another hand built 4080 box, and yes the best part is telling people I built it myself. They tend to be impressed
. I think the sub may have just been too large in the first place. Does anyone know if other 12'' subs will be able to mount in the same pre-drilled screw holes i have already? Thankssorry to sidetrack from the original post, I'm happy to see another hand built 4080 box, and yes the best part is telling people I built it myself. They tend to be impressed
07-26-2007, 11:10 PM
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Looks great. I built my first fiberglass box a couple months ago, and unfortunately I am sorta regretting it. It fits great and everything, the only problem is the sound. I think I messed up by buying a 12'' type r, I should have just gone with the 10 inch. Same sound and hits the same, just smaller. Anyway, the problem is that when I turn mine up as soon as it gets past a certain loudness, it almost sounds as if the center of the sub is hitting something at the back. I am almost positive that there was at least 2 inches from the back of the sub to the fiberglass. My friend has a 10'' type r and it sounds 10x better. So I was just wondering if anyone had any suggestions? I guess I will either have to live with this, or buy a new box . I think the sub may have just been too large in the first place. Does anyone know if other 12'' subs will be able to mount in the same pre-drilled screw holes i have already? Thanks
sorry to sidetrack from the original post, I'm happy to see another hand built 4080 box, and yes the best part is telling people I built it myself. They tend to be impressed
. I think the sub may have just been too large in the first place. Does anyone know if other 12'' subs will be able to mount in the same pre-drilled screw holes i have already? Thankssorry to sidetrack from the original post, I'm happy to see another hand built 4080 box, and yes the best part is telling people I built it myself. They tend to be impressed
There are shallow mount subs out there that you can try. You might be able to make the hole smaller by adding fiberglass then recut it to hold a 10" sub. I have way to much bass with the box and polk sub I'm using. If you look at my first photo you can see my box is larger than the 4080 box.....I think I could have put a 12" sub in mine. Not complaining about the 10" though.
Last edited by 1stgen8; 07-26-2007 at 11:14 PM.
07-27-2007, 12:35 AM
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You can do it...heres how
https://www.rx8club.com/showthread.php?t=97522
I read this thread before I started but took some additional steps. Where he used two fiberglass clothes/mats I used four.
https://www.rx8club.com/showthread.php?t=97522
I read this thread before I started but took some additional steps. Where he used two fiberglass clothes/mats I used four.
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