After using the PI-160 for nearly two months for checking the master CDs for cpo I must confess that I am totally enthusiastic about the warmth and the naturalness
of its sound! Before I had used the Yamaha AX-860 but yours is preferable
and much more analytic.
Burkhard Schmilgun
Director of CPO (respectable classical CD label)
http://www.musicweb-international.com/classrev/2007/june07/Schmilgun.htm