Both sets are 2 way stereo.

(living room 4mx7m)
speaker: Harbeth s3/5a
preamp: Me 15 (AU)
pwramp: Me 550 (100w x2) (AU)
cd player: Denon 1030

(study room 4mx4m)
speaker: Castle Isis
preamp: Naim 42 (UK)
pwramp: Naim 90 (UK) (30w x2)
cd player: Rotel 965BX Le

all DIY cables.