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V small shock from mic - Grounding issue ?
Old 3 weeks ago
  #1
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V small shock from mic - Grounding issue ?

Hello I have a pretty simple setup, which I use at home and on location: Macbook Pro Audient id22 (as slave) Audient ASP800 (used as master, mounted in a 2u rack - bought as B-stock) And a few microphones.

I have noticed recently that the microphones have a small electric charge I can feel on my lips when plugged in the ASP800. If I touch the id22 with one hand and stick my lips against the grid of an SM58, I can feel a very, very small voltage. So small it's more a tingling sensation.

The only thing plugged in the mains are the 2 audient interfaces (macbook is on battery for this experiment).

Is this something I should be worried about ? How could I track down what is causing the problem ? Could it possibly get worse under certain conditions ? I certainly do not want to hurt anyone using this equipment.

Thanks in advance
Old 3 weeks ago
  #2
It sounds or should i say 'it feels' like a grounding issue. Make sure your equipment is properly grounded.
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