I was able to pickup an 5000C that was upgraded to 24/96. Hard to find the 5000C.2's. Are you speaking about the Trifield mode with the center?
Can I setup Trifield with just the L/C/R or do I need a 500 series box?

I will play with the positioning.
Thanks.

Distributor3 for surround sound integration, Integra Pre/Pro, DSP5000.2's, DSP5000C.1 24/96, M60 mk1's driven by hot rodded DEQ2496, M33's