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- Posted on
May 27, 2007, 7:11 pm
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Re: The mic input --- is there a DC voltage present
I tried to adapt phone headsets for my laptops. Results were different
for different laptops.
The easiest way to make sure is to measure it.
If voltage is present, there'll be a resistor in series.
Otherwise, plugging in a mono microphone would make smoke.
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