Every electronic device you use contaminates the mains; your amps dumps noise into the mains that your DAC and pre-amp must consume. They in turn do the same.
Best is to have at least one form of conditioner per audio component. Needn't be an expensive boutique gear. A capacitor-inductor-capacitor filter for each device works magic and makes a huuuuge difference.
Best is to have at least one form of conditioner per audio component. Needn't be an expensive boutique gear. A capacitor-inductor-capacitor filter for each device works magic and makes a huuuuge difference.