Ljgerens it sounds as though you have a very low noise floor.
I’m not aware of any way that a power cord can lower noise floor, perhaps someone can offer a technical explanation of how this would work? Or reference some measurements as that is very easy to measure.
I’m not aware of any way that a power cord can lower noise floor, perhaps someone can offer a technical explanation of how this would work? Or reference some measurements as that is very easy to measure.