I'm almost embarassed to post this, but my listening music genre has changed slightly, so I'm looking for a logical way to meet my listening needs while maintaining my budget and prolonging my marriage. Here is the deal. I have modest, simple though technically adequate system for music listening and since I am now listening to much more classical music, I need more bass. My system is a Conrad-Johnson 2300 power amp, a pair of B&W 802 Matrix speakers, and a Theta Miles CD player; i.e no vinyl or changer in my set-up. Can a few of you suggest a starting point for a powered sub-woofer that I could add to this system? I am looking to add a single item, and not to change my amp and other things. I guess that I would pitch the line signal to the sub-woofer amp, and back to my amp, and then back out to the L/R speakers. So, any suggestions for a vendor/model sub-woofer?