Quote:
Originally Posted by Valley olds
Forgive my ignorance, but what is bad about using small subs if they are rated at the same rms level? I know bigger speakers go lower frequencies, but don't smaller speaker still punch certain bass notes hard?
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All is good, it's not ignorance on your part.
The smaller the sub is, the less cone area it has.
I'll riddle it to you like this. 1 15" sub will punch more hard than 2 12" subs using the same air space (for this example, lets use 2.0 cubic feet). So while you need more room to have 2 12"s at 2.0 ft2, you can be more efficient with one 15" because the bigger the cone area, the more air it can produce/compress. Therefore the smaller cone areas of 8 and 10 don't have the power to compress the same air in a 2.0ft2 box as a 15 or a 12 can. In fact, there is such thing as a box that's too big that it can't compress the air within it. This is why you'll never see a big box with 2 10s in it the way you do with 12's.
So while you do lose frequency at 8, you also lose pressure, and it will take a good box for it to sound near the size of a 10".
The only other way to get good pressure from a small sub is get a square one. MTX makes em as well, but I trust Kicker more.
http://www.ebay.com/itm/Kicker-Solo-...e m461f6aff0c
Something like this will make you sound like a 10" and you can side mount it where the access area for the tail lights are.