I think mounting across the front with only ~8ft seperation would work as the listening distance is only ~13' back, not too far off the equilateral. I would try them here first and then move them out to the side if it doesn't sound good to you.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70