2. analog
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Hum Isolation Suggestions.

I recently change my amp from ARC tube amp to a Classe solid state amp because the tube amp stopped working and need some repair. The table after reconnecting to the pre amp has a slight hum, and after connecting the ac power cord of the table to ac source, the hum is even more severe. (The table has a ground lead to the pre amp, and is connected.)

Any suggesions would be greatly appreciated!
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Showing 1 response by mike1000

mike1000
71 posts
 
I really struggled with this issue as well. Are you using different circuits? Doing a quick web search listed a coupl eof informative links:

http://www.epanorama.net/documents/groundloop/

http://www.smr-home-theatre.org/Ground-Loops/

I ended up installing dedicated 20 amp circuits and used Shunyata Hydra units as well as Shunyata cords. My hum issue is gone now, and I had it pretty bad!
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