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Description

Phantom power, in the context of professional audio equipment, is DC electric power transmitted through microphone cables to operate microphones that contain active electronic circuitry. It is best known as a convenient power source for condenser microphones, though many active direct boxes also use it.

FAQ

Can voltage fluctuations in the phantom power (PP) cause microphone hiss?

It's very unlikely that voltage fluctuations in the phantom power (PP) could cause hiss.

What are the 3 pins for phantom power?

There are three pins. Phantom power is connected to both pin 2 and pin 3 (but as long as your cable is not broken, simply use it).

X stands for ground (it is connected to the cable shield).

Pin 1 (X) = ground
Pin 2 (L) = + most commonly, or Left
Pin 3 (R) = - most commonly, or Right

Will phantom power damage dynamic microphones?

The risk is higher if it is an unbalanced connection. The Sound Reinforcement Handbook by Yamaha says something like this:

"In a phantom power system, the polarizing supply voltage is placed on both of the signal lines in a balanced connection, with the same polarity on each line. Dynamic microphones connected in a balanced system with a phantom power input are then protected from damage, theoretically, since the system results in a net zero DC potential across the coil. However, a dynamic mic connected unbalanced to a phantom power input may be destroyed."

In other words if you take a sm57 and plug it into a phantom powered mic pre using a normal balanced mic cable then you should be safe.

If you take an unbalanced mic and wire it with a xlr plug so you can connect it to that same input then you could fry the mic. In a balanced connection the 48 volts is running parallel down the 2 signal wires. With an unbalanced connection (2 conductors) you have 1 signal wire and ground and doing this is basically completing a circuit that sends 48volts directly to the mics voice coil.

What are the correct steps connecting a mic to phantom power

So the steps when connecting are:

1. Turn down those master faders.
2. Plug in mic.
3. Turn Phantom Power on.

and when disconnecting:

1. Turn down those master faders.
2. Turn Phantom Power off.
3. Unplug mic.

Behringer Xenyx 502 phantom power mod

MEGADRIVE Jeroi 14 September 2012

While this is very good mixer for vocals recording on DAW then models before 2009 package update "Now with Phantom Power" lack phantom power for condenser mics on XLR connector.

DISCLAIMER:
- If you don't know how to open the mixer or know how to solder then STOP and find a new hobby. I am not responsible if you get electric shock or burn your house etc.

XLR Y adapter phantom power question

powerval 9 August 2012

I've recently started a band with a couple friends and we want to record some songs live in studio (I use the word studio loosely).

I use the standard two overhead mics on my drumset and I was wondering: could I use a XLR Y adapter (2 male to 1 female) to plug them into the same input and have both mics still get phantom power and all that? I need to free up an input for the bass.

Sony PCM-M10 phantom power question .

oreo 19 September 2011

Hi all, first question here ! Nice to find this place ...
I have a pair of CA-14 mics, 1 card, 1 omni mics to go with my Sony PCM-M10 .
Im wondering if the built in phantom power is enough for either pair of mics for around 2 hours .?
A short test sounded great with the omnis . I plan on recording a guitar player only at a local theater .

Phantom Channel

anonymous 7 June 2010

A feature in surround systems that allows for the creation of center channel information when a center speaker is not part of the set-up. Achieved by folding what would be center information into the left and right speakers. This produces a "phantom" center image.

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