Originally Posted by Blackdawg
not worth in IMO. There is .65 cu ft per sub...thats WAY to small. Subs need lots of volume to function correctly and that is freakin tiny even for slim subs.
Not even close to accurate... Sure, a lot of "old school" subs needed lots of volume, but many many newer subs are designed for smaller boxes. You give up efficiency to run a smaller box with good output, but that is a trade off almost anyone is willing to give. Power is stupid cheap, so why not take advantage...
1st, it depends on the sub.
2nd, size matters. Most 8" and 10" subs need less airspace vs a 12 or 15.
3rd, what is the "Q" of the box you want to run? "Ideal" is about .71, but many subs perform with a much higher total q due to cabin gain of a room (or in this case, a truck, which is often much better than a room)
Lastly, use a program like WinISD, Bassbox pro, etc. to find the ideal enclosure. WinISD will even allow you to enter different numbers for the tuning and box size to see how it will affect the lower roll-off for the sub in question.
There are many 8" subs, and a few 10's, that will run ported in .65, and a whole lot more that do very well in that size sealed. (model up a Dayton HO 10, for example)
I think the Dayton HO12 only needs about .6 sealed...
TC (audiopulse) epic 10 only needs about .7 ported for a great looking response curve.
GTO8 only needs about .35 or so sealed, for an "ideal" enclosure.
Sundown E8 (not sure about the V2) only needed about .5 ported, and about .3 sealed.
PG RSD or RSDC 10" only needs about .6, and will play very deep.
Etc, etc, etc...
This is not to say "trust the MFG when the say it only needs XXX" for the volume of the enclosure, but do some investigating to see what will work.