JA10-001 Audio Controller - Ten Transceiver
Installation and Operating Manual
Rev A
Page 4
Output Impedance
High Impedance Phones output Impedance
≤
6
Ω
Low Impedance Phones output Impedance
≤
6
Ω
Transceiver Microphone output Impedance
≤
80
Ω
CVR output Impedance
≤
80
Ω
Receive Composite Audio output Impedance
≤
80
Ω
Intercom Tie Line output Impedance
2000
Ω
±
10%
Output Load
High Impedance Phones load
600
Ω
±
10%
Low Impedance Phones load
8
Ω
±
10%
COM MIC 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
Intercom Tie Line type 2 maximum load
285
Ω
max
Volume Controls
Receive Audio control variation
32
±
3 dB
ICS Audio control variation
42
±
3 dB
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
Audio Noise Level without Signal
Noise level below the rated output
≥
60 dB
Low impedance Mic Noise level below the rated output
≥
40 dB
1.4.1.2
Audio Performance, Other
CVR HI / LO output circuitry type (Normal)
differential
CVR HI / LO output circuitry type (Emergency)
single ended
High Impedance Microphone inputs designed for MIC type
amplified dynamic / electret
Low Impedance Microphone inputs designed for MIC type
dynamic
Microphone inputs bias voltage
12 Vdc
±
10%
Microphone inputs circuitry type
single ended
MUSIC LEFT / RIGHT HI / LO audio input circuitry type
differential
FRONT MUSIC LEFT / RIGHT audio input circuitry type:
single ended
MUSIC attenuation
≤
-38 dB max
RECEIVE AUDIO input circuitry type
differential
PHN HI / LO output circuitry type
single ended
COM MIC output circuitry type
differential
RX Composite Audio output circuitry type
differential
ICS TIE HI / LO Circuitry Type
differential
PHN HI / LO output music fade in duration
2.5 ± 1.0 seconds
VOX Threshold level range relative to rated MIC input
-28 to +6 dB
ICS TIE audio detect threshold level from MIC audio input
7 to 9 mVrms
RX audio detect threshold relative to rated Receive audio input -36 to -12 dB