What cables are you using now? Lack or power and muddy bass can also be a speaker placement issue, a room issue or node. Different cables may just excite a room or placement issue in a slightly different way...but it still maybe there.
Also, are your B&W's brand new? Could be a break in thing to....
Just trying to help...
(good point on the amp taps to..)
Also, are your B&W's brand new? Could be a break in thing to....
Just trying to help...
(good point on the amp taps to..)