Audio - TANDBERG 3000 MXP Profile User Manual

Videoconferencing system
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TANDBERG 3000 MXP
5.1.2

Audio

4 Audio Inputs
2 microphone inputs (balanced, 24V phantom powered) via XLR connectors.
2 audio inputs (line level) via RCA connectors.
All audio inputs are active by default. For further information, refer to chapter Audio.
Audio input connector specification:
Connector label
Signal type
Connector (codec)
Input impedance
Max input level when
set to minimum input
level
Max input level when
set to maximum
input level
Range, menu
adjustable input gain
Phantom power
voltage
Phantom power
resistor, pin 2
Phantom power
resistor, pin 3
Max phantom power
current pr mic
214
Microphone(s)
Balanced
XLR-F, pin 1-gnd,
pin 2 hot, pin 3-
cold/neutral
2400 ohms (pin 2 -
3)
83 mVpp
6.2 mVpp
22.5 dB (16 steps of
1.5 dB)
24 V +/- 5%
1200 ohms
1200 ohms
12 mA
Audio input(s)
Unbalanced
Female RCA/phono,
sleeve-ground,
centre-signal
10K ohms
15.5 Vpp
1.2 Vpp
22.5 dB (16 steps of
1.5 dB)
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