Hi I am a new member to the forum but a long time owner of a pair of Aerius speakers(circa 1993). These were bought with a pair of VTL(Manley) Compact 160's mono blocks with KT90 tubes(switchable 110Watts Triode into 5ohm Load or Tetrode 180Watts into 5ohm load, so the specs say!), I was using a...