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Original Message
Why would reversing AC leads reduce hum in a component?
Posted by jedrider on February 10, 2017 at 08:00:37:
I'm reading the spec sheet for the Parasound Z-Phono and they indicate that it has a switch for AC polarity to reduce hum.
I have a phono stage that hums (sometimes, always??) and I am wondering if that is a good solution? However, I also would like to understand the possible mechanism behind this??