Video Production Support

karpelproductions · New to the forums Joined: 02 Nov 2007 Posts: 2

I have a sony wireless microphone transmitter meant for ENG use with an 1/8" output. I converted this 1/8" output to XLR and it is going to a sound board in my studio. can i run phantom power out of my board even though the transmitter is unbalanced?

Eric Adler · Posted: Sat Nov 03, 2007 7:38 pm Post subject:

Welcome to the forums!

The answer is short (after a bit of quick research): No! Do NOT connect unbalanced devices to a phantom power source.

More info here: Mackie PDF "Balanced Lines, Phantom Powering, Grounding, and Other Arcane Mysteries (top of page 4)
and Musician's Friend - Tech Tip - The Gigging iPod/Laptop Musician and the Phantom Menace:

The long answer: Yes, but you'll need to find a way to remove phantom power or run through a good balun DI.

denialmark · New to the forums Joined: 25 Mar 2010 Posts: 4

This article is about the use in microphones. For power consumed by appliances while they are off, see standby power. For other uses, see Phantom Power (disambiguation).
Phantom power is a method that sends a DC electrical power through microphone cables to operate microphones that contain active electronic circuitry. It is best known as a common power source for condenser microphones, though many active DI boxes also use it.
Phantom power supplies are often built into mixing desks, microphone preamplifiers and similar equipment. In addition to powering the circuitry of a microphone, in traditional condenser microphones the phantom powering directly or indirectly supplies the voltage used for polarizing the microphone's transducer element.
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