Clear-Com AB-120 IFB Program Interrupt On Air Announcer Console

The On-Air Announcer Console is the ultimate broadcast-quality tool for announcers and commentators, the AB-120 integrates all of the inputs, outputs, and controls necessary at the announce position, including intercom "Talkback," IFB receiver, and a silent "Mute" button that provides noise-free cough and "mic on/off" switching. Extremely flexible, the console is easily configured for practically any combination of audio sources, microphones, headsets, or intercom systems, ensuring quality audio and powerful communications.

Key Features

• Broadcast quality mic preamp with Jensen output transfer
• Talent “Talkback” circuit automatically mutes Mic output to “air”
• Silent “Mic Mute” button for “Cough” and “Mic on/off” functions
• Easily adapts for use with any mic or headset
• Quick and simple set up using standard XLR mic cable
• Wide range, high-output headphone amplifier
• Binaural headset output allows talent to hear stereo program, IFB and/or intercom

Technical Specifications

Headset Microphone Input
Input Type
Dynamic, Electret
Input Impedance
1K Ohms
Max Input Level
-60 dBu to -40 dBu switchable
Headset Output
Load Impedance
>= 4 Ohms
Output Impedance
47 Ohms
Output Limiter Threshold
-4 dBu, + 3 dB
Max Output Level Before Distortion
-4 dBu
Partyline Output
Off Noise
<-80 dBu
Output Impedance
>10K Ohms
Maximum Output
-4 dBu
Partyline Input
Maximum Level Before Clipping
+3 dBu
Sidetone Null Capability
>25 dB
Frequency Response
Dynamic Mic Partyline
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
Partyline - Headset Out
150Hz - 22KHz, + 3 dB
Max Distortion
Dynamic Mic Partyline
<0.1%
Dynamic Mic - Line Out
<0.05%
IFB Input - Headset Out
<0.5%
Partyline - Headset Out
<0.1%
Noise
Dynamic Mic Partyline
<-75 dBu
Dynamic Mic - Line Out
<-85 dBu
IFB Input - Headset Out
<-65 dBu
Partyline - Headset Out
<-65 dBu
Max Gain
Dynamic Mic Partyline
41 dB + 3 dB
Dynamic Mic - Hot Mic Out
40 dB + 3 dB
IFB Input - Headset Out
40 dB/22 dB (switchable) + 3 dB
Partyline - Headset Out
34 dB + 3 dB
Rear Panel Connectors
Headset
XLR-6F
Microphone Out
XLR-3M
Intercom
2 XLR-3 (male and female loop through)
IFB
XLR-3F
Power
2.1mm jack
Front Panel Controls and Indicators
(1) Mute button
(1) Mute indicator LED (red)
(1) Talk back button
(1) Talk back indicator LED (green)
(1) Interrupt level control
(1) Non-Interrupt level control
Power
Intercom/IFB Voltage
25 - 30 VDC
Current
100mA idle, 120mA max
DC Adapter
100 - 240V
Voltage
30V @ 0.5A
Environmental
32o - 122o F (0o - 50o C)
Dimensions
6.0 in W x 3.0 in H x 8.0 in D
(152 mm x 76 mm x 203 mm)
Weight
2.0 lbs. (0.9 kg)