I've got my mains connected to an MCA 2 Series II amplifier. When I turn on the amp, my speakers make a small "pop" sound. When my speakers are connected directly to my receiver (Denon 2802) there is no "pop" when I power up. To be clear, I'm not confusing this with the "click" noise that I understand is a safety feature of both my amp and receiver. However, the "pop" occurs at the same time as the "click" in my amp. To me, it doesn't sound loud enough to be doing any damage to the speakers, but I'm wondering if this is normal. Does anyone else with an MCA amplifier notice this?