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JA95-N60 Audio Controller - Five Transceiver - Expander - NVG
Installation and Operating Manual
Rev A
Page 2
1.4
Specifications
1.4.1
Electrical Specifications
Power Input
Primary nominal voltage
28 Vdc
Secondary nominal voltage
14 Vdc
Maximum voltage
32.2 Vdc
Minimum voltage
10.2 Vdc
Emergency voltage
9.0 Vdc
Input current at 28 Vdc
≤
0.7 A
Input current at 14 Vdc
≤
1.4 A
Input current at 9 Vdc
≤
2.4 A
1.4.1.1
Audio Performance
Rated Input Level
Microphone input level
250 mVrms
±
10%
Rated Output Level
RX rated output
7.75 Vrms
±
10%
RX rated output,
in emergency mode or with power input
≤
6 Vdc
2.10 Vrms
±
10%
Microphone rated output
250 mVrms
±
10%
Audio Frequency Response
Audio output audio frequency response
≤
3dB from 300 to 6000 Hz
Spurious Responses
Audio output spurious response attenuation
≥
50 dB
Distortion Characteristics
Audio output distortion at rated power
≤
10%
Input Impedance
Microphone input Impedance
150
Ω
±
10%
Receive Audio input Impedance
1000
Ω
±
10%
Output Impedance
RX output Impedance
≤
60
Ω
Transceiver Microphone output Impedance
≤
80
Ω
Output Load
RX Output load
600
Ω
±
10%
Transceiver Microphone load
150
Ω
±
10%
Input to output Crosstalk and Bleed-through Level
Input to Output crosstalk
≤55 dB
Input to Input Crosstalk Level
Input to Input crosstalk
≤60 dB