AVS Special Member
Join Date: Dec 2007
Location: Southern California
Mentioned: 15 Post(s)
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I have seen this problem over and over.
The center speaker should NOT be putting out any bass; this should be entirely left to the towers and sub. The large oval radiator in that 8040 center speaker is the worst thing anyone ever put in a center speaker IMO. The guy who designed that speaker should be demoted to Janitor.
The solution, which has worked for me many many times is to go to a center speaker with smaller drivers and set it to ONLY operate above 120 HZ. These problems will go away when the center speaker is chosen and set up to operate in the midrange only.
One speaker I have used several times and always seems to work great is the Cambridge Audio S50.
Try it; you will see what I mean.
You have already found that the sound from the BP-10 speakers is of poor quality. This is what I have heard from them, and if it were me I would get some GOOD speakers to replace them. Their bipolar design makes them extremely difficult to place in a room to avoid acoustic disaster; this is a big part of your problem, I think
I suggest that you consider the KEF iQ70 speakers, which are half price now at KEF Direct. Those are FAR FAR better speakers than the BP-10.
Once you hear the IQ70 speakers, you will be amazed at how bad the BP10 speakers are, by comparison.