Old 07-17-2017, 10:06 AM   #1
aviorrok
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Default 48V phantom power with 2 microphones

Hi,
I have UR242 audio interface and MXL 770X, Shure SV100 microphones.
The MXL 770X requires 48V phantom power and the SV100 don't requires phantom power.
In the audio interface there a button to enable 48V, can I use both microphones together although that SV100 don't requires 48V?

Thanks!
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Old 07-17-2017, 10:57 AM   #2
ashcat_lt
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Yes. No question. No problem.
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Old 07-17-2017, 12:09 PM   #3
aviorrok
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Thanks!
And what about turn off the phantom power? can I turn off the audio interface when the phantom power is on?
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Old 07-17-2017, 12:24 PM   #4
serr
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Always refer to the manual for specific powering on/off recommendations.

Safe:
Always have mic gains at lowest setting when powering the device or phantom power on/off.

Ribbon mic? STOP and read up on it before touching phantom power!!!!!!

Everything else is safe.
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Old 07-17-2017, 01:26 PM   #5
martifingers
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This seems reliable but I have no specific knowledge or experience myself:
https://www.shinybox.com/ribbon-micr...phantom-power/

Is it accurate?
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Old 07-17-2017, 01:32 PM   #6
ashcat_lt
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Quote:
Originally Posted by martifingers View Post
Is it accurate?
Yep. Broken cables could mess it up too, but with properly functioning equipment, it's not an issue.

Don't use TRS for anything with phantom ever, for this and other reasons.
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Old 07-17-2017, 02:40 PM   #7
aviorrok
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I'm not using a ribbon microphone I'm using MXL770x (is not ribbon mic)
Thanks for everyone
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Old 07-19-2017, 03:00 AM   #8
martifingers
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Quote:
Originally Posted by ashcat_lt View Post
Yep. Broken cables could mess it up too, but with properly functioning equipment, it's not an issue.

Don't use TRS for anything with phantom ever, for this and other reasons.
Thanks for this.
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