Speakers Hummm when Sub hooked up.

[vette1 10+ year member]

I have a Pioneer VSX-D608 and just purchased a Monster HT SL100-SW THX Subwoofer. When I plug the RCA cable from the Sub out on the Reciever into the subwoofer all of my speakers start humming. Anyone have a clue what the problem is?

Thanks

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[DidUHearThat? 10+ year member]

You've got it wired wrong.

 

[JimJ 5,000+ posts]

Get a 3 to 2-prong adapter, and plug the sub into it.

If the hum disappears, you've got a ground loop.

Is everything plugged into the same outlet or power strip?

 

[vette1 10+ year member]

Wow, I never thought of that. I used a 3 to 2 power adapter and now it works..... **** you just saved me alot of time... What is the cause in my wiring in the house that would cause this?

Shawn