Buzzing mixer

[RideTheCrash]

I have 2 mixers, a Behringer 802a and an 16 ch. AudioPro board from the 80s I assume. Anyway, starting last night the AudioPro board has been buzzing like mad. I took out all the connections except the plug, put in headphones in the headphone jack and turned it up some and it was still buzzing.

Now this leads to believe me maybe there is something on in my house that causing the buzzing but I have no clue. I tried my Behringer and it wasn't buzzing. Like, I can't even record a bass track now. I play a note and buzz suddenly comes out nowhere during the play of that note. It's very noticeable and driving me crazy. Help?

[TexRoadkill]

Try a ground lift on it and see if that helps. It is just a 3 to 2 prong adapter for the power cord.

[RideTheCrash]

Nevermind, it was still happening this morning so I took out this cord I had from receiver to this old reel-to-reel I have and it stopped.