JHardee 10+ year member
Cadillac
alright so i have a box design for my Fi Q 15", and its a 4 cube @ 28 hz with 57 sq port area.. but i really want my sub to produce the best SQ i can get out of it. i wanstn sure if should have such a big port or even a port at all. maby thinkin sealed. any suggestions? or should i just stick with the port and tuned low. hrmm just dk..