My setup all analog:

Siruis DMX200 2ch-Front-Dynaudio Contour 4 -Phase positive
Classe CA100 1ch used- Center-Dynaudio Contour Center-Phase positive.
Primare A30.2 2ch Rear-Dynaudio Countour 1.3SE -Phase Positve
LFE ch REL Stadium3 -Phase negative.

Distances L,R,C,Lr,Rr,Sub
2,6m 2,6m 2,6m 1,2m 1,2m & 3,1m yes a have the front row in an arc.
Rears are at the sides of sofa as room limitations have me seated against a wall.

My stuff G98DH, G68J, DSP5200 ,DSP5200HC, DSP3100 HD621,AC11 , REL Stadium 3 Squeezebox Touch, Pioner BDP-LX71 ,Humax CXHD 5000C