mauidan Wrote: > And it's just as easy to filter the high frequency noise on a SMPS.
On the 5V line, yes. But the high frequency used by the SMPS are also transmitted by electromagnetic induction or as radio waves. And it this that causes the problems. See the Wikeipedia entry (http://en.wikipedia.org/wiki/Switched_mode_power_supply) for more details. -- tomsi42 SqueezeBox2, Rotel RC-1070/RB-1070, dynaBel Exact. ------------------------------------------------------------------------ tomsi42's Profile: http://forums.slimdevices.com/member.php?userid=2477 View this thread: http://forums.slimdevices.com/showthread.php?t=18660 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/lists/listinfo/audiophiles