Tube Research Labs makes a signal processor that meets your criteria.
In that price range, I would want an in home trial with my system in my room, but that is probably stating the obvious.
http://www.tuberesearchlabs.com/products/mult_proc.htm
In that price range, I would want an in home trial with my system in my room, but that is probably stating the obvious.
http://www.tuberesearchlabs.com/products/mult_proc.htm