I am consdiering switching to mono-block amps for my L&R channels. This will require that I move the amps to be behind the speakers as I don't have room for the amps in the rack. This would require a run of approx 40' between the 970 and the Amp, plus going thru a 2 channel pre amp with HT bypass.

Does anyone know if the 970 will have an issue sending a signal 40'?