I'm using M-60 with Quad ESL 2912, MP-1 and Lampizator Big7. Previously I was using Ear V12 and Quad II Eighty amplifiers. Only Atmas are able to make Quads speakers go down to 30Hz. Neither EAR V12 or Quad Eighty were able to do it. It's actualy the first time with Atmas that I've heard a...