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AC Hum from Enigma PS
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mhamilton View Drop Down
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Joined: 24 Sep 2019
Location: California
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    Posted: 15 Oct 2019 at 6:26pm
I received my Accession MC with Enigma. Thanks for the quick turn around. 

I noticed that if the Enigma power supply is placed close to my turntable cable, then I will hear an AC hum being picked up by the cable. (The cable has a foil shield over its full length and it doesn't matter if the drain wire is connected or not. 

Utilizing the long DC output cable from the PS and moving the converter far away from the preamp does help a lot. 
  
I'm wondering if you thought about using a metal enclosure for the Enigma to provide better shielding for radiated fields. I'm thinking about adding a second shell. 
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