AB-120 Announcer Console
4
Specifications
Note:
0 dBu is referenced to 0.775 V RMS
4.1
Headset Microphone Input
Input Type Dynamic,
Electret
Input Impedance
1K Ohms
Max Input Level
-60 dBu to -40 dBu switchable
4.2
Headset Output
Load Impedance
>= 4 Ohms
Output Impedance
47 Ohms
Output Limiter Threshold
-4 dBu ± 3 dB
Max Output Level before Distortion
-4 dBu
4.3
Party Line Output
Off Noise
<-80 dBu
Output Impedance
>10K Ohms
Maximum Output
-4 dBu
4.4
Party Line Input
Maximum Level before Clipping
+3 dBu
Sidetone Null Capability
>25 dB
4.5
Frequency Response
Dynamic Mic - Party Line
40Hz - 22KHz, ± 3 dB
Dynamic Mic - Line Out
20Hz - 22KHz, ± 3 dB
Dynamic Mic - 4-Wire Out
100Hz - 22KHz ± 3 dB
IFB Input - Headset Out
100Hz - 22KHz ± 3 dB
Party Line - Headset Out
150Hz - 22KHz ± 3 dB
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