I have also AVM Ovation - gear which has SA-8 amplifier (~350 Wpc @ 4 ohm) According it's peak level meter I have very seldom gone over 100 Wpc. And an average listening level is then way over 90 dB. I measured how much it draws from wall socket: It was little over 100W, although it operates partially in A-class.
Edit: Source cd-player, track Leonard Cohen / Slow. Devialet volume level 0 dB. Peak power from wall socket was ~120W.
Edit: Source cd-player, track Leonard Cohen / Slow. Devialet volume level 0 dB. Peak power from wall socket was ~120W.
Sonos - Devialet 200 - Dynaudio Evidence Temptation