Do you mean Vandersteen 2CE? If so, I have been using a Tube Audio Design-150 by Bizzy Bee audio to drive my 2CE sigs. I had an ST-140, upgraded to the reference 4420 then to the McCormack DNA-1. The B&K to McCormack transformation showed me that I was missing some of the music. The tube pre created the wide and deep soundstage...
Eagleman
Eagleman