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Power Wedge 116

I have an old Power Wedge 116 Line conditioner and it has a slight "hum".  I replaced the fuses, but that doesn't seem to help.  At this point I can't afford to update this part of my home theater system; does anyone have any suggestions for reducing / eliminating the "hum"?  
Home theater components:  Anthem MRX-1120 receiver [plugged directly into the wall outlet]; the following are plugged into the Power Wedge 116 line conditioner: Oppo BDP-105D Blu Ray disc player, Net Gear ProSafe Gygabit switch [model: GS105], and an Actiontec ECB6200 bonded MoCA 2.0 network adapter.  I have unplugged each component from the Power Wedge 116 and still get a "hum".  Obviously, when I unplug the Power Wedge 116 from the wall outlet, there is no "hum".  I would appreciate any suggestions you could offer.
foghorn1
stringreen's avatar
stringreen
6,531 posts
 
My best advice for the Power Wedge is to use it as a door stop...but get it out of your system.
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tooblue
2,004 posts
 
I had a new Powerwedge 116 and it had a bad hum, just sayin.
swampwalker's avatar
swampwalker
5,138 posts
 
Some people have used Humbusters for that kind of problem, but they will only work if the hum is a result of "dirty" AC power.  Folks report variable results. 
testpilot
991 posts
 
The PS Audio Humbuster removes dc offset from the ac mains which can cause transformer hum which is not the same as dirty power 
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