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06-18-2009, 11:03 AM
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#4 |
 ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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It's partially the power adapter and partially the device. Some devices have ground isolation between the power and audio circuits and others do not. The ones that don't require extremely clean power to not produce the hum.
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