Good point Laika2. However, my bed level speakers are Elac Unifi
-4ohm nominal impedance,
-85 efficiency,
-minimum 40watts,
-maximum 140watts,
-82dB at 1 watt /1 meter
My height speakers are Aperion A5
-6ohm nominal impedance speakers,
-87 efficiency,
-RMS 20-80 watts,
-peek 160watts,
-about 83db at 1 watt/1 meter
My room is 22x20x7’tall, so not small. My listening position is at 9’ away. I usually listen to dialogue at 60db listening position with peak at 90-95db (explosions). Based on all that, my math tells me I want 100-200watts per channel. The 8500 is 150watts and the 6800 is 140 watts. However, I HIGHLY doubt it would be anything near that with all Chanel’s driven). Therefore, that’s why I would consider the two previously mentioned external amps.
There is also something to be said about offloading a good chunk of speakers from the AVR to preserve its life.
However, that brings me back to my original question: with my previous conditions, as the main AVR, acting as the central processor, which is better? The 8500HA or the 6800H?