Wilson is done again speaker what is reference many years.Bass is typically Wilsons fast,accurate,dynamic,middle area is very transparent,detail,fast,soundstage is fantastic,upper area is second best what i have hear,Acapella plasma tweeter is best and Sashas tweeter is close,i hear new voices every record,i am own and hear many ref class speakers and system my ref is Sound Lab ,Wilson,Acapella and Dunlavy 6 and couple others,if you want hear all record Wilson is very good choice,my system is Burmester 069 cd,Burmester 911 mk 3 monoamp,948 power and Transparent ref xl mm 2 cables of coarse.Sorry my bad English,and Happy Listening Tapsa