Sennheiser A12AD Active Directional Antenna with Integral Booster Amplifier


Herman # SENA12AD

MFR # 004156


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Active directional antenna with integral booster amplifier. the A 12 AD-UHF has a switching bandwidth of 24 MHz which can be adjusted within the range of 450–960 MHz. The integral booster amplifier directly receives the necessary DC power via the antenna cable from the receiver. Compatible with EM 3031/3032/3532.
  • Enhanced Reception via wide bandwidth active antenna
  • 10–14 dB of RF gain
  • Lightweight
  • Mounts on a standard microphone stand of boom


Antenna type log-periodic
Frequency band 450–960 MHz
Angle of acceptance approx. 100°
Front-to-back ratio 14 dB
Gain over half-wave dipole approx. 3 dB
Connector BNC socket, 50
Dimensions in inches 11.02 x 11.02 x 1.58
Weight (incl. amplifier) approx. 12.3 oz

Tuner range 450–960 MHz
Effective bandwidth (-1 dB) 24–30 MHz
Amplification 10–14 dB
Intermodulation attenuation 80 dB
Operating Voltage 11–18 V (via antenna cable)
Current consumption at 11/18 V 55/65 mA
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