Event AV resource

Phantom power

What it means, when it matters, and how to use it in an event brief.

You can start without a complete equipment list. The message is editable before you send it.

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Term

Phantom power

DC power supplied through a microphone cable for compatible devices

Supplying it to a device that is not designed for it can damage some microphones.

How this term is used

Plan phantom power per input because some active microphones and DI devices need it while other devices do not. Incorrect connection or switching can create loud transients or damage.

How to verify it

Confirm the device documentation, mute the channel, apply power, allow it to stabilise and then check signal and noise.

Facts to record

  • Exact device and console channel
  • Balanced cable and adapter path
  • Mute, power-on and disconnect order

Worked use

A condenser lectern microphone may need phantom power while a wireless receiver does not. The patch sheet should mark the required channel and the mute-before-change procedure.

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Send the four facts that shape the AV setup

Add the date, venue, guest count and programme for Phantom power. You do not need to know the equipment names, and the message is editable before you send it.

  • Date
  • Venue
  • Audience
  • Programme
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Keep planning

Phantom power

Send the date, venue or area, guest count, programme and required outputs. You can start without a complete equipment list.

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How this guidance is researched

This guidance separates general advice from event-specific facts. Confirm venue conditions and your event details before finalising the requirement.

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