I have had a pair of Thiel 1.5's for a year now, and I am currently using an AR SP3-B and AR D130 with them. On the front end I am using a CAL CD player and a Clearaudio phono cartridge. The clarity and definition is extremely detailed and acturate, with the analoge being a little more musical than the digital. I think that an AR tube pre-amp, would help in this regard. I have not yet made a final decision, as to cable usage, I like you, am not certain which direction to go here. I listen to a lot of classical and jazz, and these speakers are great for jazz listening. Good luck and happy hunting. Regards, AEW
