I was foruntate enough to have a quick listen to this setup... unfortunately it was at a "bose" re-seller which happened to have this beauty hooked up to a set of 901s :p

have a check

Home Entertainment: Yamaha Aims High With CD-S2000 CD Player and A-S2000 Amplifier

A-S2000 : YAMAHA Audio and Video

CD-S2000 : YAMAHA Audio and Video

as far as I could tell, they powered very well, but the speakers were sevearly limited its potential