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In Reply to: RE: Can anyone explain how an improvement in a wallwart used in charging a cable can so greatly affect sound? posted by Norm on November 06, 2009 at 06:24:33
The wallwart's AC plug blades may be making poor contact with the outlet.
The wallwart itself may be making electrical noise and polluting the AC for the other components.
The wallwart's DC output may be contaminated with it own AC noise.
The wallwart may be transferring existing AC noise to the cable shields.
The DC cable from the wallwart may be acting as a resonator and/or antenna.
All of the above.
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