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Hum in the system

Hi, I just installed a MSB Link DAC III in my system and that promptly caused a low but audible hum. The hum goes away as soon as I turn off my power amp. (but that's not exactly a workable solution....) Now, both the power amp (Acurus A-100) and the MSB have 3-pronged plugs, so I wonder if there is a ground loop problem. My question is, how do I fix it? The Mondial M.A.G.I.C won't work, because it is a cable ground isolator - at any rate I don't have cable TV. Any suggestions/solutions will be much appreciated. Thanks!
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srama OP
65 posts
 
Thanks for all your responses. I was on the phone with MSB tech support and their suggestion (after we had tried a couple of other things) was to use a cheater plug. That worked.
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srama OP
65 posts
 
A quick follow-up. It turned out that the hum was caused by a faulty power supply. MSB sent me a new power supply and voila!, no hum. I don't need to use the cheater plug any longer, which I am really glad about. Again, thanks for the suggestions.
hellohifi
120 posts
 
Magic Box for $100? Uh, no. Xantec makes a version of this for $8. brian@hellohifi.com
juanman
3 posts
 
What is a cheater plug and where do I get one? Please let me know! Thanks...
juanman
3 posts
 
My system, a Naim CD3 CD player, Denon DVD player and some other high end brand FM tuner hooked up to an Angstrom 200 preamp and Tandberg amplifier, running out to a pair of Bag End TA-15 professional speakers, created a slight hum (definitely noticeable) before I got cable TV. When I got cable, the hum increased somewhat. I tried swapping out the interconnects with other interconnects between the amplifier and the preamp, but had no real change in hum. Is there something that I can use to decrease the hum? Thanks! JuanCAyllon@yahoo.com
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