JA94-N01A Dual Audio Controller - NVG
Installation and Operating Manual
Rev A
Page 3
1.4.1.1
Audio Performance
Rated Input Level
Receive audio rated input level
7.75 Vrms
±
10%
Direct audio rated input level
7.75 Vrms
±
10%
Music rated input level
400 mVrms
±
10%
Microphone input level
250 mVrms
±
10%
Intercom Tie Line type 1 input level
340 mVrms
±
10%
Intercom Tie Line type 2 input level
1.20 Vrms
±
10%
Rated Output Level
PHN rated output
8.7 Vrms
±
10%
LEFT or RIGHT USER PHN rated output in emergency mode
3.00 Vrms
±
20%
Phone rated output level, with MUSIC input
4.35 Vrms
±
10%
COM MIC rated output
0.250 Vrms
±
10%
CVR rated output
0.500 Vrms
±
10%
CVR rated output with MUSIC INPUT
0.250 Vrms
±
10%
CVR rated output with MIC INPUT
1.00 Vrms
±
10%
CVR rated output, in emergency mode,
0.500 Vrms
±
10%
RX COMP rated output
2.50 Vrms
±
10%
Intercom Tie Line type 1 rated output
340 mVrms
±
10%
Intercom Tie Line type 2 rated output
1.20 Vrms
±
10%
Audio Frequency Response
Audio output audio frequency response
≤
3 dB from 300 to 6000 Hz
Distortion Characteristics
Audio output distortion at rated power
≤
10%
Input Impedance
Microphone input Impedance
150
Ω
±
10%
Direct Audio input Impedance
1000
Ω
±
10%
Receive Audio input Impedance
1000
Ω
±
10%
Music Audio input Impedance
1000
Ω
±
10%
Intercom Tie Line Audio input Impedance
2000
Ω
±
10%
Output Load
Phone load
600
Ω
±
10%
Transceiver Microphone load
150
Ω
±
10%
CVR load
5000
Ω
±
10%
Receive Composite Audio load
600
Ω
±
10%
Intercom Tie Line type 1 rated load
2000
Ω
±
10%
Intercom Tie Line type 2 rated load
2000
Ω
±
10%
Intercom Tie Line type 1 maximum load
666
Ω
max (3 loads)
Intercom Tie Line type 2 maximum load
285
Ω
max (7 loads)
Volume Controls
Receive Audio control variation
32
±
3 dB min
ICS Audio control variation
42
±
3 dB min
Crosstalk Level
Input to Output crosstalk
≤
55 dB
Input to Input crosstalk
≤
60 dB
Station to Station crosstalk
≤
65 dB
