I have a Nemesis NA650 and an Eden D215XLT cab. The cab stays at my drummer's house where we rehearse. I was planning on buying a 210 or something small to use at home, but I cleaned out my garage, and found a car sub box that has a couple of 12" Earthquake subs in it. They are 8 ohms, and rated at 220 watts each. I figure if I build a cab for them, and wire them in parallel (4 ohms) they will make for an acceptable practice cab. I realize I won't get much high frequencies, but like I said, this will just be for practice. What do you guys think? By the way, I'm also looking for instruction on designing a cabinet. If someone has a link, that would be cool.