Is there something wrong with my browser? I can't see any of these
component references.

Sorry. They didn't make onto the jpg file. Added he

http://i40.tinypic.com/5ets9w.jpg

Actually I see what you mean. One problem here
is that R9 and R10 are going to cause crosstalk. Without some active
electronics there is no way around that apart from taking the sub from
one channel only. This is actually quite common.
d

OK, can do that.

Suggested values for resistors?

Thanks.