Grass Valley LDK 7500 User Guide - Manual (Page 112)

4-18 HD video mode Viper
Audio microphone connector
Balanced input for high quality condensor microphone. A phantom
power supply is provided for this microphone. The maximum input
level is -12dBu = 0dBFS. Only connect condenser microphones to this
audio connector.
The sensitivity is controlled via the Install menu or LCP.
Audio
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