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Im getting a good deal on two 12" subwoofers from some shop that I know of, and its so good im thinking of buying 4 of them and putting two dual ported boxes together.. Can I do that???
How are you going to put them together? I don’t see why not. The thing to remember with woofers is that they need there recommended space in the box. If a sub requires 2.0 cubic feet of encloser, and you only give it 1 foot your going to deprive them of the sound they would produce.
You could always run them as isobaric. Where you mount one sub on top of another [<| |>], this allows for a push pull configuration, requiring the woofer that is mounted in the box to need less space. It takes some power, and each speaker will combine to about 1.5x the sound (instead of 2 speakers, you only get 1.5).
A guy I knew back in the day had 4, 10 inch soundstream reference series… ran isobaric, because he didn’t have the room to mount 4, 10" subs in his trunk.
I am surprised his car could handle the bump!
Right here!
http://www.the12volt.com/installbay/forum_posts.asp~TID~74519~PN~1
Have Fun!
rockford fostgate recommends a ported enclosure with a gross volume of 3.12 cubic foot volume and tuned to 40 Hz. They also have dimensions available on their website.
For rockford Punch 3 15″ what would somebody recommend. Ported and vented or just ported. Does venting really help?
Some things to know http://spkrbox1.spaces.live.com
i have a 1970 gmc pickup and have about 6 inches under the seat and need a box to out some subs in but they are all too big.
are there any boxes that will fit a 10 inch alpine under my seat
not that i know of ..but you could make your own out of some MDF
its quite easy and you can make it to fit any size ..the only thing you must remember is the speaker will have to have a height of no more than 5" so that you allow for the thickness of the MDF
I have a 2001 Toyota Tundra SR5. Want a prefit/molded box so that they are hidden under the rear bench seat. Which folds up to reveal cubby spaces under the seats. Crutchfield has them. Just wondering if any other sites are out there to compare prices.
I have the Toyota Tundra SR5 Access Cab.
Ebay has tons of boxes for this truck…check em out.
well im trying to find a website that makes quality subwoofer boxes at good prices
you’re not going to find one online for a good price. Not because people wont’ make them cheap, but because shipping on a box is ridiculous. A quality box with 3/4" MDF, even a single chamber box, is very heavy. It would be cheaper to find someone locally to make one for you. Or make one yourself, if you have space to do it, and are patient, it’s quite easy.
Unless you want a fiberglass box of course, but in that case it should be made to your cars’ shape.
What benefits does it have? and what exactly does it do?
i just built a sub box and someone suggested putting the insulation inside the box.
Pollyfil is a sound absorption, dampening fiber that will deepen bass, provide cleaner midrange, tone down any unwanted reverberation and improve the dynamic extension of any speaker system.
It also helps eliminate standing waves, which is something like an echo inside the box. This will give you tighter and more accurate bass. It also helps to give a flatter frequency response to the overall sound, which is good. Besides this, it also helps reduce the vibration of the box, which results in less distortion. There is a big difference to the bass when you have an insulated box.
Damping also increases subwoofer efficiency by dissipating some energy that affects the sub, particularly the voice coil. It is advisable to put damping material inside a box. Pillow polyfill and fiberglass insulation are common, though polyfill is a lot easier on your skin. Polyfill also “tricks” a sub into thinking it is in a bigger box. Most sealed and vented enclosures require 1/2 lb. of dampening material per cubic foot of internal enclosure space. For best results it is recommended to loosely fill the material throughout the enclosure.
I am making a ported subwoofer box for in my room. Will there be any notable sound difference between the subwoofer box that has the sub at a 45 degree angle like this (http://i.ehow.com/images/GlobalPhoto/Articles/4073/sub-main_Full.jpg) or one that is just square all round. Thanks in advance
Oh, forget to add..the subwoofer i will be using is a 10″ car audio subwoofer.
The angle really does not make a difference – what does make a difference is the volume of the box. If the volume inside each box is the same, the bass will be about the same.
Angled subs are usually used in cars – the square box will be easier to build and will look better in your room.
I know subwoofers specify specifications for type of box. So when fabricators create a custom enclosure for a specific area of a car and the supwoofer manual says the box needs to be ported or needs to be this specific size for peek performance, whats the deal there?
depends. some boxes are built just for show. infact i would say most are. but some fiberglass boxes are built to manufacturs specs. most dont have ports, but its not impossible to make one with it. the problem would be making it look cool.
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