Fiberglass vs. Sealed MDF

[bdawson72 5,000+ posts]

I was going to put in a sealed box with polyfill for my 2 infinity kappa perfect 12.1d's but i have since found someone to fiberglass it for almost the same price.......Are there any benefits to fiberglassing besides asthetics.

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[skmfkr 5,000+ posts]

get some extra volume in odd shaped places, but thats kinda obvious

 

[bdawson72 5,000+ posts]

Which one would get the most SPL and which one has the best SQ

 

[Chevyaudio 5,000+ posts]

being that all things are equal as far as airspace, and that both boxes are built strong and sealed well, there would be no difference.

 

[LaBeLkilLs87 10+ year member]

hey man...i had the same exact subs and when i had my sealed box i put stuffing in there...where in va do you live? to answer the question.. theyd be about the same

 

[bjfish11 5,000+ posts]

being that all things are equal as far as airspace, and that both boxes are built strong and sealed well, there would be no difference.

x2.

if i had a dollar for everytime someone said, "i heard fiberglass boxes will not sound as good as mdf" i would be a very rich man.

 

[Chevyaudio 5,000+ posts]

You have to be carefull when you add Poly-fill to a box, Too much and it has the opposite effect, too little and it does nothing.

 

[bdawson72 5,000+ posts]

Danville................I was thinkin that MDF sounded better but if i do decide to get fiberglass i guess im gonna hafta stuff it with polyfill

 

[EddieB 10+ year member]

Ok I've read these posts ! I listen to rap music and R&B Whats sounds better sealed or ported and will making a completely sealed box damage my subs two 12"JL audio?//content.invisioncic.com/y282845/emoticons/up2something.gif.dd110ecf3ae4b76050d87598f2f8de7c.gif I've heard sealed sounds cleaner than ported is this true?

 

[squeak9798 5,000+ posts]

Ok I've read these posts ! I listen to rap music and R&B Whats sounds better sealed or ported and will making a completely sealed box damage my subs two 12"JL audio?//content.invisioncic.com/y282845/emoticons/up2something.gif.dd110ecf3ae4b76050d87598f2f8de7c.gif I've heard sealed sounds cleaner than ported is this true?

//content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

Start your own thread.

 

[squeak9798 5,000+ posts]

Danville................I was thinkin that MDF sounded better but if i do decide to get fiberglass i guess im gonna hafta stuff it with polyfill

Why would you have to stuff the fiberglass box with polyfill ??

 

[bdawson72 5,000+ posts]

because i dont think that there is enough volume.......and since polyfill somewhat tricks the sub into thinking its is in a bigger box.

 

[Buckshot 10+ year member]

Lol.

The fiberglassed enclosure is most likely to be larger in airspace than the MDF counterpart. :wink:

 

[bdawson72 5,000+ posts]

i know that but since the vehicle that im in has such little cab room i still dont think that it may be enough room.