miker, your situation sounds like it is related to the new DirecTV receiver, possibly the interaction between the HK and the satellite receiver. If it is happening when the receiver switches from DD to PCM digital audio, it is possible that the HK is unmuting before it finishes re-acquiring the signal. The 755 is far enough downstream that it is not actively involved in the popping -- it's just doing what it's told and amplifying whatever signal it is fed.

As an aside, this could be an example of why Outlaw chose to leave the 950 with a bit more of a delay in acquiring digital audio signals than most of us would like to have -- it minimizes the chance of people picking up "transition noise" from changing processing modes.

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