1st Attempt Fibreglass Sub Box
Printed From: the12volt.com
Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=79237
Printed Date: May 03, 2024 at 6:34 PM
Topic: 1st Attempt Fibreglass Sub Box
Posted By: Cougar.Modder
Subject: 1st Attempt Fibreglass Sub Box
Date Posted: June 17, 2006 at 12:24 PM
This is my first attempt at Glassing. I made this hoping to have it painted to match my car exterior. Lots of work and reading to get me to the point I am at now. Thanks to all that post here as you guys give lots of inspiration and quality feedback. Let me know what you guys think. Ready for Bondo then SANDING, then maybe more Bondo if needed then SAND some more. Painting first week of July.  Basic structure layout.  Left Side  Right Side  Glassed up  Before Sanding and Body Filler  Body filler and Sanded ready for Bondo  Left Side Before Bondo  Right Side Before Bondo  Front View Before Bondo Feedback welcomed good or bad. Remember, first time ever with the stuff. Thanks!!! ------------- Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Replies:
Posted By: killer sonata
Date Posted: June 17, 2006 at 12:27 PM
Looks pretty good so far to me. How are you going to take care of those back corners that stick out like a sore thumb? Lots of bondo? thats a huge box. lol. What made you go with one big one instead of sectioning it down the middle? Just curious thats all. ------------- "People with mullets live 40% longer" - Ricky Bobby
Posted By: Cougar.Modder
Date Posted: June 17, 2006 at 12:38 PM
The cut outs in the top corners are made like that to fit in the back trunk flush under the back strut area. The box is built into two chambers and there is a middle piece seperating the two from the other two subs, so a left and right.
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Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Posted By: killer sonata
Date Posted: June 17, 2006 at 12:48 PM
Oh sorry my mistake. I missed that part in the pics. Looks good. All I can say is have fun sanding from here. lol. I just finished my door panels in my car and the sanding is the worst part. Take your time and do it right and you will absolutely love the end product. Keep us updated.
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"People with mullets live 40% longer" - Ricky Bobby
Posted By: jlord16
Date Posted: June 18, 2006 at 8:10 AM
Looks good, what drivers and amps do you plan to use with it?
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Clarion DB36MP
Infinity Kappa Perfect 10"
Respone 800w Mono
ALPINE MRP-F250
*Custom fabrications*
Posted By: auex
Date Posted: June 18, 2006 at 12:44 PM
Looks good so far. Personally I think the angles on the lower subs are a little harsh. Also you might consider throwing in some bracing from the front to back on each side (where the front is flat).
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Posted By: Cougar.Modder
Date Posted: June 18, 2006 at 3:17 PM
I am using 4 Phoenix Gold 10" subs for Drivers and a McIntosh 4X100 Watt Amp. Sounds great in the pre box I had non fibreglass of course.
As per the stiffening of the box. I have the center piece of MDF 3/4" that goes from front to back that should provide a STIFF response. The box is solid as heck for the structure itself on the outside. Especially in the middle portion where I put two extra layers of glass, top and front.
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Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Posted By: Aruman
Date Posted: June 18, 2006 at 7:31 PM
Looks very great so far, what color are you planning to paint it?
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Shaking The Neighborhood
Posted By: Cougar.Modder
Date Posted: June 19, 2006 at 7:10 AM
Painting the box the same as the factory paint on the outside which is BLACK/ clearcoated like crazy. Can't wait to finally put this bad boy in the car and fire it up. Been a LONG project. Thanks for the comments so far guys. ------------- Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Posted By: Teamrf
Date Posted: June 19, 2006 at 11:47 PM
Looks good...keep us posted.
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~The Rookie~
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Posted By: Melted Fabric
Date Posted: June 20, 2006 at 6:16 PM
For a first timer, you had me fooled. Excellent looking box. One question though, how did you calculate the air space inside the enclosure before you layed the fleece or Fglass over it? You know, so each woofer is slapping around the air properly.
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I have not failed. I've just found 10,000 ways that won't work.
When you do not know what you are doing and what you are doing is the best -- that is inspiration.
Posted By: Cougar.Modder
Date Posted: June 20, 2006 at 9:16 PM
Thanks for the replies again guys.
I used the calculation of each sub needing .5 - 2 Cubic feet each, and there is 2.75 cu feet per side for the subs. I am not sure the exact sound it will produce until them subs are in. But honestly, I just can't wait to hear the BOOM BOOM again. Keep you all posted on the sanding, sanding and paint as it goes along.
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Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Posted By: Melted Fabric
Date Posted: June 22, 2006 at 10:53 AM
Well, your overall design is solid. I am sure it will sound like what your expecting. Damn man, good job again for a first timer. I love shots, post as many shots of your project you can.
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I have not failed. I've just found 10,000 ways that won't work.
When you do not know what you are doing and what you are doing is the best -- that is inspiration.
Posted By: Cougar.Modder
Date Posted: June 26, 2006 at 6:44 PM
Anyone ever use the Bondo that is Sun Hardened? I am trying this NEW REVOLUTIONARY material out and it goes on nice and easy. Hardly any mess and spreads very smooth. Its clear when it dries up pretty much except if you have little blobs then its a yellowish colour. Wondering if this was a good choice for the final coats. Anyone got experience with this stuff???
Thanks
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Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Posted By: mustangfoo
Date Posted: June 26, 2006 at 6:55 PM
quick question bud, I am having probs on my build up right now and cant get the dowels to stick and not move, what did you use to hold down your dowels and speaker mounts?
Posted By: Cougar.Modder
Date Posted: June 26, 2006 at 9:26 PM
Lots of HOT GLUE STICKS. Just I had my wife hold the rods. Like she's never done that before for me!!! (He He) but then it was easy so make sure you have a good glue gun and dowel alreaady cut to size then go to it. Good luck.
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Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
Posted By: mustangfoo
Date Posted: June 26, 2006 at 9:28 PM
thx I tryed that but everytime I seem to stretch the fleece it collapses!
Posted By: Cougar.Modder
Date Posted: June 26, 2006 at 9:32 PM
Try using more dowels then. How many speakers and what size are you trying. Maybe start a new thread as this is now off topic here or PM me.
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Alpine 7830 HU-4X100 W McIntosh -2X110 W McIntosh-MB Quart Q's Mid Tweets-4X10" Phoenix Gold Subs-Phoenix Gold EQ215ix-AC Epi-PG Line Driver-Phoenix Gold 1 Farad Cap -Clifford Avantguard 4-2 Ear Plugs
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