Adding a 2nd center channel?


I am currently running a kef 200c and I still have my old kef 100. Has anyone ever tied two centers together via parallel or series? The problem I might have is my center is bi wired, how would I do this?
monterey
I see no reason for this except for novelty. Has anyone any reason to believe that any recordings are mixed/mastered for dipole/bipole center speakers?
GOOGLE DTS WEB SITE,THAY SHOW TWO CENTER CHANNEL OR TWO LEFT FRONT AND TWO RIGHT FRONT SPEAKERS.THAY SHOW DIFERENT SPEAKERS ARANGEMENTS FOR HT.