I use v4 with my 5a's I like them they are simple and low maintance. Have not had any issues after 2 years except for going through tubes. I did hear the cary 211 annversity amp and did like it better, bigger sound stage but less focused. Of course that amp was triple the cost and several other people like the v4 it seems to be the amp to get and the best bang for buck.
As for a pre amp this made a huge difference going from a AR sp-16 to aseticx clispo (sp). huge soundstage now and better all around.
As for a pre amp this made a huge difference going from a AR sp-16 to aseticx clispo (sp). huge soundstage now and better all around.