4 - 2 ifb/hot mic, Frequency response, Max distortion – Clear-Com MS-704 User Manual
Page 32: Noise, Max gain, Min gain
M S - 7 0 4 / R M - 7 0 4 F O U R - C H A N N E L M A I N / R E M O T E S T A T I O N S
4 - 2
IFB/Hot Mic
Type
Unbalanced
Output Impedance
150Ω
Load Impedance
>= 600Ω
Frequency Response
Panel Mic - Party Line
600 - 10KHz ± 3dB
Headset Mic - Party Line
200 - 12KHz ± 3dB
Headset Mic - Line Out
200 - 12KHz ± 3dB
Program Input - Party Line
100 - 17KHz ± 3dB
Program Input - Headset Out
200 - 10KHz ± 3dB
Program Input - Speaker Out
300 - 10KHz ± 3dB
Party Line - Headset Out
200 - 10KHz ± 3dB
Party Line - Speaker Out
300 - 10KHz ± 3dB
Max Distortion
Panel Mic - Party Line
<= 0.5%
Headset Mic - Party Line
<= 0.5%
Headset Mic - Line Out
<= 0.5%
Program Input - Party Line
<= 0.2%
Program Input - Headset Out
<= 0.2%
Program Input - Speaker Out
<= 0.5%
Party Line - Headset Out
<= 0.2%
Party Line - Speaker Out
<= 0.5%
Noise
Panel Mic - Party Line
< -65dBu
Headset Mic - Party Line
< -70dBu
Headset Mic - Line Out
< -55dBu
Program Input - Party Line
< -85dBu
Program Input - Headset Out
< -60dBu
Program Input - Speaker Out
< -60dBu
Party Line - Headset Out
< -50dBu
Party Line - Speaker Out
< -50dBu
Max Gain
Panel Mic - Party Line
>= 37dB
Headset Mic - Party Line
41dB ± 2dB
Headset Mic - Hot Mic Out
55dB ± 3dB
Headset Mic - Announce Out
55dB ± 3dB
Program Input - Party Line
>= -16dB
Program Input - Headset Out
>= 18dB
Program Input - Speaker Out
>= 24dB
Party Line - Headset Out
>= 34dB
Party Line - Speaker Out
>= 40dB
Min Gain
Panel Mic - Party Line
<= 25dB