I personally would not try to compare a speaker to an amp...following your statement I would be lead to believe Brystons would bring warmth to a stoic speaker like the Theils but I do not think thats the case. Ones experience as stoic can be someone elses detail and crispness. Ones warmth is anothers rolled off mid range. So its really up to each individuals tastes. Theil CS 2.3 is still one of top speakers rated by many stereophiles. It has loads of detail, definition and air ... like the M80Ti.