A friend of mine sent me some numbers of the AV10 and AMP10.
Marantz AV10: 0.000483% THD+N, SINAD 106.3286dB
Marantz AMP10: 0.001760% THD+N, SINAD 95.088dB, 226W x 5CH Driven into 8 ohms at 0.7% THD+N
Anthem RMX 740/1140 0.0006%, SINAD 105dB
Denon X8500: 0.0007% THD+N, SINAD 103dB
DataSat10: 0.0007% THD+N, SINAD 101dB