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Specifications
Number of channels :
Input format :
Input coupling :
Input impedance :
Applicable microphone :
Input range :
Weighting filter :
Frequency response :
Power output for microphone : 200 V DC for bias, 28 V DC for preamp
A/D converter :
Sampling frequency :
Power consumption :
Input connector :
Settings
The following dialog box appears when you choose Setup and Params, and
then double-click the channel that you want to set.
Channel :
Select ENABLE to record with this channel, or select DIS-
ABLE not to record with this channel.
Range :
Select the input range.
Sample Frequency : You can select 10 times the Base Sample Freq
when you turn on Multi Sampling check box.
Channel Name : You can name the channel. Use up to 16 alphanumeric
characters.
Filter :
Select the weighting filter.
Bias :
Select the polarization voltage of the microphone.
All Mic Amp Same Condition : When this option is selected, the same
parameters (excluding Piston Phone and Coefficient) are
set for all signal conditioners of the same type.
2
Unbalanced
AC
11 kΩ
B&K (only for 50 mV/Pa type)
80, 90, 100, 110, 120, 130 dB
A type, C type, flat (analog filter)
20 Hz to 20 kHz (–3 dB)
16-bit
1 Hz to 200 kHz
Approx. 3.18 W
LEMO FGG-1B-307-CLAD62
WARNING
Do not insert objects, such as metallic
pins, in the input connector of the micro-
phone input amp. A high voltage is out-
put so electric shock might result.
n.c. (1)
+28 V (6)
Signal
n.c. (5)
ground
(2)
+200 V/0 V (3)
Signal (4)
GND (7)
The value displayed by the monitoring function of
the GX Navi is the sound pressure over time. This is
not the same as the sound level.
Enable both channels of a slot.
Amplifiers
4-19
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