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mattkeysmongrel
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48v in to a sm57 ? new
      #153783 - 11/07/05 05:00 PM
Is it alright to put phantom power through an sm57 ? ( the desk does 48v phantom power in banks of 8)

cheers

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Mowens800



Joined: 16/06/05
Posts: 918
Re: 48v in to a sm57 ? new [Re: mattkeysmongrel]
      #153789 - 11/07/05 05:10 PM
yeah,. its a dynamic mic so it wont do it any damage... but why would you want to do that anyway? it doesnt need it.

*disclaimer, I accept no responsibility if im wrong

Edited by Mophed (11/07/05 05:10 PM)


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--
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Joined: 29/05/03
Posts: 6085
Re: 48v in to a sm57 ? new [Re: mattkeysmongrel]
      #153800 - 11/07/05 05:30 PM
The 48V is sent on pins 2 and 3 (i.e. signal +ve and -ve) and 0V is connected to the mic ground. Unless you have a short to earth within the SM57 then there won't be any problems.

If you have only used dynamics before then also note that if you've got any dodgy mic leads then chucking phantom power down them will show them up by large amounts of crackles. Be prepared to replace some mic leads!


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Dave B



Joined: 03/04/03
Posts: 5617
Loc: Maidenhead
Re: 48v in to a sm57 ? new [Re: mattkeysmongrel]
      #153809 - 11/07/05 05:43 PM
Should be ok. Standard techniques apply though - you shouldn't really plug and unplug whilst the phantom power is on.


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Aural Reject



Joined: 02/05/03
Posts: 4208
Loc: Lancashire
Re: 48v in to a sm57 ? new [Re: Dave B]
      #153816 - 11/07/05 05:54 PM
Quote Dave B:

Should be ok. Standard techniques apply though - you shouldn't really plug and unplug whilst the phantom power is on.




Unless you're the BBC


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John Willett
Sound-Link ProAudio


Joined: 07/03/00
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Re: 48v in to a sm57 ? new [Re: mattkeysmongrel]
      #153889 - 11/07/05 08:38 PM
Quote mattkeysmongrel:

Is it alright to put phantom power through an sm57 ? ( the desk does 48v phantom power in banks of 8)




No problem at all - I assume you have to have it switched on because you are using a condenser mic. as well?

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President - Federation Internationale des Chasseurs de Sons


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mattkeysmongrel
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Joined: 16/02/03
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Re: 48v in to a sm57 ? [Re: John Willett]
      #154257 - 12/07/05 03:52 PM
Yep its on for a condensor mic

thanks

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