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> Can Phantom Power Fry My Mac?
ACNewYork
post Mon 10 May 2004, 17:06
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I have a Powerbook G4, and want to do some recording from a PA in a practice room. The PA has a room mic attached to it that uses phantom power. Will it harm my Mac if I plug a 1/4 inch cable from the PA to my Mac's input with phantom power on? A guy at the studio said that someone's computer got fried that way, but I'm not sure about the veracity of this claim.

Thanks!
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dixiechicken
post Mon 10 May 2004, 19:04
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No it cant.

Not unless something is very wrong with the microphone cable
carrying the mike-signal and the 48Volts phantom-power.
If you throw the whole kaboodle into bathtub with salt water something will certainly go wrong -
but we can rule that out cant we? smile.gif

As always with electric gear - make certain cables and connectors are ok - before
you do any serious work.

The signal coming from a microphone fed with phantompower is usually
more powerful than a corresponding signal from dynamic mike. (SM-58).

In practice this means that the signal from the phantom-powered mike is
more likely to overload the input on your computer, causing distorsion on the
mike input. Adjust the input-levels & watch the meters.

Cheers: Dixiechicken


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