J301A-001 Audio Controller
Installation and Operating Manual
Rev A
Page 4
Distortion Characteristics
Audio output distortion at rated power
≤
10% THD + N
Input Impedance
HI LEVEL MIC input Impedance
150
Ω
±
10%
DYNAMIC MIC input Impedance
5
Ω
±
40%
Direct Audio input Impedance
10 k
Ω
±
10%
Receive Audio input Impedance
10 k
Ω
±
10%
Music Audio input Impedance
1000
Ω
±
10%
JAC ICS TIE
2000
Ω
±
10%
INTERCOM Audio input Impedance
19 k
Ω
±
10%
PVT INTERCOM Audio input Impedance
19 k
Ω
±
10%
Output Load
600 OHM PHN load
600
Ω
±
10%
8 OHM PHN load
8
Ω
±
10%
COM MIC load
150
Ω
±
10%
CVR load
5000
Ω
±
10%
RX Composite Audio load
600
Ω
±
10%
JAC ICS TIE type 1 rated load
2000
Ω
±
10%
JAC ICS TIE type 2 rated load
2000
Ω
±
10%
INTERCOM rated load
600
Ω
±
10%
PVT INTERCOM rated load
600
Ω
±
10%
JAC ICS TIE type 1 maximum load
666
Ω
±
10%
JAC ICS TIE type 2 maximum load
285
Ω
±
10%
Volume Controls
Receive Audio control variation
32
±
3dB
ICS Audio control variation
42
±
3dB
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
1.4.1.2
Audio Performance, Other
CVR HI / LO output circuitry type (Normal)
differential
CVR HI / LO output circuitry type (Emergency)
single ended
HI LEVEL MIC inputs designed for MIC type amplified
dynamic /electret
DYNAMIC MIC inputs designed for MIC type
5 ohm dynamic
HI LEVEL MIC inputs circuitry
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
600 OHM PHN HI / LO output circuitry type
balanced
8 OHM PHN HI / LO output circuitry type
balanced
MIC output circuitry type
single ended
RX Composite Audio output circuitry type
differential
ICS TIE HI / LO Circuitry Type
differential