My 755 pops, too. It has nothing to do with sequence; if I turn the system on, then turn off just the amp, and then turn it back on again, there is a pop. It sounds like it comes both from the amp itself, and from the speakers, with the pop noise from the amp being the louder pop. When I turn on the whole system at once, with the trigger, the pop comes a short while after the 950 comes on, owing to the 755's built-in delay. I don't think triggering the 755 off the 950's multi-zone trigger will change anything. I also don't think the speaker pop is loud enough to damage anything. The speaker pop seems to be pretty much independent of the 950's volume control; I don't think the 950 is in any way causing the pops.

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Matthew J. Hill
matt@idsi.net