06-Aug-2020, 10:37
To me it really comes across as grounding/ground loop issues. Most receivers I know have two pole power plugs or an IEC connector without the earth pin present and thus are not connected to the safety earth. Since the Devialets are grounded, leakage currents because of differences in potential will flow through the Devialet to earth. One could try to ground the receiver chassis directly to safety earth of your wall power outlet/power distributor. This may not solve the issue completely though when currents will simply split over the two (or more) available paths to ground.
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