Custom fiberglass subwoofer encloser?
Well I'm wanting to put my subs in a fiberglass encloser I will be learning fiberglass at the technical school I will be attending but as opposed to regular mdf wood how do the subwoofers sound in a fiberglass encloser. Should I do it or is it just for look instead of sound. Or would it be a good idea. I know it takes work but I'm willing to do it all the sanding and stuff.
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If you are doing a sealed enclosure and you have a good method on measuring the volume you need to fiberglass, it will sound fantastic. Just make sure you do enough layers to make it pretty thick. I do 7 layers for the section that is formed to the car. For the baffle that will hold the sub, I stretch a large piece of fleece over the already hardened back piece and start SOAKING it with resin. Finish off with bondo and sanding for a nice finish.
If you are going ported, it is MUCH MUCH harder to get it perfect, all the curvature and angles inside the box will make the air turbulent and sound muddy at the port, also a ported enclosure is MUCH pickier on volume so you need a near perfect method on measuring volume. Don't forget that you have to subtract any sort of port volume.
All in all, if your going sealed, it will sound great if you get the volume right, and it will look fantastic. Plus it is a lot of fun doing this project. If you are going ported I would stick to MDF boxes where precision is easier, maybe until you are a pro glasser, then you can try it.
With the proper airspace and stiffness, fiberglass makes an excellent subwoofer enclosure material. Fiberglass can be molded to fit odd shaped spaces that a conventional enclosure made from MDF just won't fit in. And, the entire enclosure can be blended to the vehicle contours and finished to match vehicle interiors.
If you are willing to put the time into the project, I highly recommend fiberglass.
One of the best online resources for the materials you need is US Composites. Their resins are much better than your typical auto parts or home improvement store. Here's another online fiberglass store:
http://stores.infinityfrp.com/StoreFront.bok
confident they do must be a particular length for the final overall performance, yet a reliable installer must be waiting to do something with fiberglass, along with making a glassed field with the final airspace. And no fiberglass would not "harm" the sound, yet whilst improperly made, it definately can. only like a wood field.
I prefer the sound of them in a non-enclosed box, but the enclosed ones do look nicer. (How often will you be showing off their looks though...) But it also helps protect them from puncture.
i personally think it is more for asthetics than it is for sound... i like using epoxy plus resin myself