If he makes a center channel that has already been designed and tested is there a reliable way to find one that will integrate well with his existing L/R mains? Can specs tell you enough?
How hard is it to go with an active crossover and biamp? Could he put an iNuke3000 DSP into the chain and shape the sound to integrate well with his mains?
Television: Mitsubishi WD65737 DLP
Processor: Emotiva UMC-200
Amps: Carver AV 806x/Behringer EP4000
Mains: DCM TimeFrame 600 Center: AT 453C
Surrounds: AT 251.1 Sub: Danley DTS-10
Blu Ray: Panasonic DMP-BD655