06-04-2013, 11:53 AM
I also think so. Well-grounded adaptors should not produce hum even at large volume setting. Especially if you move your hand close to it.
PS. I do not know much about those but...by chance, they did not rely on the shield being also the GND signal conductor, did they? That would not be good.
PS. I do not know much about those but...by chance, they did not rely on the shield being also the GND signal conductor, did they? That would not be good.