AB-120

AB-120

  • On-Air Announcer Console
  • Talent talk-back 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
  • Binaural headset output allows talent to hear stereo program, IFB and/or intercom
  • IFB input accepts either unbalanced program or powered IFB
  • Powered by the intercom line, IFB line or external DC source
Item Part Number:
  • AB-120

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: -4dBu, + 3dB

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

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

3 x 6 x 8 in (HxWxD)

(76 x 152 x 203 mm)

Weight

2.0 lbs (0.9 kg)

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