emi interference

Problem: When the air conditioner unit turns on and when it turns off, if the A/V receiver is on, the front and rear speakers emit a brief but audible click/pop. Background: I live in a rented condo (i.e., assume I cannot do electrical work on the unit). The furnace room is situated in one...

Afternoon all. I have been revamping my home theater/2.1 channel hifi with some new equipment thanks to ASR (got rid of Rega DAC~R for a Bel Canto DAC 2.8, picked up a cheap MacMini for movie/tv/and higher audio bit rate USB output to DAC)! While doing all of these changes, I decided to change...

Hey guys! So I'm turning to all the amazing, knowledgeable and wise people on this forum. We've been picking up a swelling interference noise in guitar amps and rhodes in the studio. Been trying to see if the problem is internal, which it probably isn't. I've come to this conclusion by cutting...