gregdude
51 posts
04-23-2019 10:52pm
A ground loop would be characterized as a hum. What you say you heard was a buzz, that blew out a woofer, almost definitely DC
Not always. Not if there are higher frequency harmonics riding on the equipment grounding conductor.
https://www.youtube.com/watch?time_continue=5&v=FBRPHojSGAs
https://www.youtube.com/watch?v=Nakpj_Mee0Q
.