I am using B&W802N. You need to pair them with minimum 200-250wpc with lots of reserve (those that double power for every half of load impedance). Perhaps you may want to try changing you power amp. I am using the B&W802N with BAT VK-500.
Don't give up yet. There must be some reasons why Abbey road Studio and SkyWalker Ranch use B&W802N.
Don't give up yet. There must be some reasons why Abbey road Studio and SkyWalker Ranch use B&W802N.