i still have the sub in it original box with the specs sheet.
so basically just use the box measurements the manufacturer supplied.

 

seal box for metal
Ported 32 hertz has failed hardcore with my slipknot =( also started smelling burnt voice coil lol

 

^^that sucks.
ty everyone for the input.

 

13"H x 14"W x 15"D will give you 1.12 cubic feet, which after subwoofer displacement should give you roughly 1.08 cubic feet sealed

 

honnestly for rock u want a thumper so get 2 10's
2 12's will over do it

 

i was just gonna use what i have right now until i can afford new gear later on.

 

tru tru

 

for heavymetal you definately want a small sealed box...too much fast snap and double bass as mentioned before to play in a ported box

ported is great for rap and crap that really has only several key frequencies
it'll give you good output.... but for music that has a wide range of sound that you need to be able to distinguish you need a sealed box

and also you want to stay around 0.7 cu ft plus displacement of sub with about 25-50% poly fill

 

he's playing metal not rap or reggae thats way too big for a 10" for rock/matal big sealed box will sound sloppy and uncontrolled

 

what would the use of poly fill be for?