[need help: box for 1 DD 3518]

thanks for the reply man.. the maximum dimension would be L41,W20-22,H20-22.. need atleast 6cuft net.. can you please give me an exact measurement for this? the sub would be facing at the back with port.. i don't like to do it on a UP-FIRING.. just wanted to do a REAR-FIRING.. thanks..

[need help: box for 1 DD 3518]

guys.. i'm newbie here.. can anyone please help me with this? can anyone give me the right measurement for my 1 DD 3518e.. hoping to tuned it at around 39-40hz.. my amp would be a 2000wrms @ 1ohm.. hopefully the box would be a ported box.. the maximum length could be around 41 inches.. thank you guys.. really appreciate your comments and suggestions.. and if ever, can you make a sketch? thanks again..