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Discussion Starter #1
Passive Hum Eliminator:

-Simply plug between the offending pieces of equipment to eliminate hum
-Uses 1:1 isolation transformers to break loop antenna and balance audio lines
-Also converts balanced and unbalanced signals
-1/4" smart jacks and XLR jacks
-Passive device No power required

$89.00 from Sweetwater
Asking $55.00 OBO

 

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Discussion Starter #3
Cannot remember. I bought it a few years ago. I do know that I discovered that my hum was caused by having too many sub-distribution electrical panel boxes with separate grounding rods. Once I ran a ground from every box to the main panel and had one ground point that took care of it. So, I suppose it didn't take care of my ground loop problem. (Heck of a salesman aren't I?)
Maybe my ground potential differential was too great to overcome but I have read plenty of other testimonies that this worked well for other people.
 
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