Wired and Wireless com different locations

[bill gower]

I have a Clear Com MS-702 AND a WBS-670 in our booth and would like to move the wireless down to the stage.The problem:the wireless does not like the stage AC-lots of hum.They use the same AC source in the booth with no problems.Had similar issues in my old band days I cleared up running my FOH from the stage AC.That solution not feasible.This is a newer theater-8 yrs. old-and they got most of its tech needs right the first time.Any thoughts?

 

[FMEng]

It's a ground loop with un-balanced audio. Try disconnecting and insulating the cable shield on one end of the line between the two.