Humming form main speakers ...Please help

[dannynguyen3573]

I have an humming come in form front speakers when i turn it loud wiht out playing any thing. Please help why is that happen. Thanks

[Jason Coleman]

It may be your receiver...what type is it and what kind of speakers are they?

Jason

[joelincoln]

Possibly a loose connection somewhere in your system...

[dannynguyen3573]

It's adcom preamplifieds and PSB speakers. Thanks

[dannynguyen3573]

I being check all connection and clean them with chemical already.

[Jason Coleman]

Hmmm...sounds like ground loop hum. Try disconnecting equipment and see if you can isolate the source of the hum. Cable is often the culprit, as it is often grounded in tandem with the electrical panel.

Jason