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Phantom Power
Probably a very basic question, but not one I know the answer to, and I'd rather not find out the hard way #What would happen if a dynamic microphone i.e. Shure SM58 was inadvertently fed 48v phantom power intended for a condenser microphone from a mixing desk? Would the dynamic microphone be damaged or could the desk be damaged? Any advice / info would be appreciated, thanks in advance.
Inside every old person, is a young person wondering 'What The Hell Happened'. Tempus Fugit
Disco 4 Hire
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I've never done it myself but the idea behind phantom powering is that no ill should come to a dynamic mic inadvertently given phantom power. This assumes that the mic (it's a Shure so should be fine) & cable are correctly made.
Reference: https://www.soundonsound.com/sound-a...er-on-dynamics
The desk should be designed in such a way that even if the mic cable is shorted it should only interrupt the supply of phantom power - worst case to all mic channels & best case to only the channel with the shorted mic cable. It shouldn't have any long-lasting effects.
Last edited by Nakatomi; 08-04-2018 at 03:33 PM.
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Thanks for that, very interesting and reassuring
Inside every old person, is a young person wondering 'What The Hell Happened'. Tempus Fugit
Disco 4 Hire
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Read Section 7. It explains it all. Basically, a balanced XLR microphone will not be affected by applying phantom power. However, an unbalanced connection might cause damage. I say "might" because, with all the safety technology built in to mixers these days, it's unlikely unless the mic is really crap!!!
http://blog.shure.com/top-8-microphone-myths-exposed/
Dazzy D
Lightning Disco & Entertainment
Born to make you party!
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