Dunlavy uses spectron digital amps to reveiw or test there speakers and further more John Ulrich the designer of spectron amps built the amps that drive their active speakers that they showed at the latesed Ces 2000 show.Spectron amps are great amps and compare with Levenson and krell amp some of the best amps available.Check there web site spectronav.com and check audioreview.com and their much cheaper than the big boys but I'll betyou their better top to bottom and virtualy no ear fatigue that you'll get from Lev,or Krell
