Matt,

What Andrew asked you to try in the PM he sent you was to disconnect the input cables from the pre-amp to the DSP, at the DSP, without turning the DSP off the next time you hear the noise. This will tell us if problem is upstream from the DSP or not. When you turn the pre-amp off it is actually only going into standby mode which is activating a muting circuit in the pre-amp. We just want to establish that this muting circuit is staying active.

Also, is the noise is coming from one, two, three, or all four channels of your LFRs?

Ian Colquhoun
President & Chief Engineer