R-4 Pro

4-channel Portable Recorder and Wave Editor

Q.Can I power on and off the phantom power supply of R-4PRO for each channel separately?

A.The phantom power supply switches are provided separately for the channels 1/2 and channels 3/4 and can be operated separately. However, the phantom power supply cannot be powered on or off for a particular single channel.

 Be sure to power off the phantom power supply unless a condenser microphone requiring it is connected. If you supply the phantom power supply to a dynamic microphone, it may get faulty. Refer to the manual of the microphone for its specifications.

 Phantom power supply specifications
 DC48V, 8mA Max (25mA or less for the total of all channels)


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