Fostex PD-6 - Manual (Page 52)

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PD-6 DVD Location Recorder (Chapter 4: Basic connections)
Analog audio devices
Analog devices
External digital devices
Digital devices External device
Output connection
Analog audio output connection
Analog audio signals can be output from the [ANALOG LINE OUT] connectors (1 through
6), which are balanced, XLR-3-32 type. The output reference level is +4 dBu which
corresponds to -12 dB of the LCD level meters.
To connect the [ANALOG LINE OUT] connector to an unbalanced input, only use
the GND and hot pins. With this connection, the output level is 6 dB lower than
the balanced connection but there is no audio quality deterioration. Connecting
the cold pin to the GND pin increases the crosstalk and noise, as well as consumes
more battery power.