diy 18" sub inuke

Hi guys I'm relatively new to sound systems so I'm hoping you guys can help me out. I want to build a sub myself because apart from it being a fun experience the quality for the price will probably be much better. I like a lot of bass so subs are a must. I was hoping to do an 18 or 21 inch. What...

My wife decided we needed two 18" subs and I need a new project around the house...so I will be building them. After reading post after post I think I want to do a ported box instead of a sealed box. Due to the spot I want to put the subs in my oddly shaped room I don't have a ton of space side...