TIT320C-4 Build

[JTSA75]

I'm new to the DIY projects. I have a Crown XLS 202D Amp. And was trying to pick a driver that will go good with this amp. I'm looking at Dayton TIT320C-4 12" or possibly the DVC385-88 15".

http://www.parts-express.com/pe/pshowdetl.cfm?&DID=7&Partnumber=295-404&ctab=1#Tabs

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=295-190

I'm looking for something that will go into the mid to low 20's. I somewhat understand xmax and I figured you guys will be able to help with choosing a driver that will work for what I could use.

[ThomasW]

We need more info.

How big is the room?
What's the distance from the listening position to where you want to put the sub.
What's the budget?
How big a box do you want to live with?
Sealed/ported/etc?

[gregnash]

subscribed... interested as I am looking for the same types of information and looking to keep the physical size as small as possible but still get the same frequency range.