3 channel stereo music processor


I have 3 identical Tekton S-Lores for my LCR. What is the best (most flexible?) way to process two channel stereo music to originate the center channel signal for listening without the rear surrounds. I know everyone says to listen to two channels. But my set up is strange thanks to my wife's mandatory furniture arrangement. At this point for digital manipulation for a center channel I am using my Marantz receiver. I am considering a Harman Signature Citation 7.0 analogue processor as an improvement. Dose anyone have a comment on this or a alternative that is not crazy expensive?
elvisnixon
If you are looking to acquire an entire new system from the ground up, Meridian's Trifield technology provides about the best "stereo" sound I have ever heard, from an imaging perspective. I don't know if they still offer this on their new (and expensive) systems, but my old 561 processor had it and it worked great. Must use Meridian "digital" speakers, though (hence the entire new system comment)
+1 on Meridian Trifield...

really increadible experience when the front three channels are well matched. you can pick up one of the older 5 series processors very reasonably now - they sound great in trifield and can be used with any speaker.