On Tue, May 15, 2012 at 08:44:37PM +0200, Robin Gareus wrote:
> Here it mainly concerns the outputs: In my case there's a ground loop
Very few multimeters are capable of measureing AC current with any
level of accuracy. If you have 150 mV between two points, and zero
current when you short-circuit them (as a current meter is supposed
to do) then at least one of the two measurements is bogus.
This gets confusing. You have at least four items, laptop, UA-25, screen,
and active speakers. How are they connected ? Is there an audio connection
between the screen and PC or UA25 ?
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