I have a 5.2 system where the three front speakers are DSP5200. The two rear speakers and the two subs are non-Meridian analogs. In Stereo the right and left speakers are active and in Stereo the right and left speakers plus the subs are active. In Trifield all seven speakers are active.

861v8+ID41, 3x DSP5200SE (RLC), analogue rears, 2x analogue subs, Oppo BDP-81, 568, Linn Sondek LP12, Stax SRM-006tS, M80, MS200, AppleTV4k.