Specs aren't a mystery. It's the same driver in the same box with just a bit less power. Amplifiers don't make speakers sound different, all they do is give it power. So maybe 2 dB's less output. Otherwise it should sound the same unless it's overdriven.
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