Headset-microphone

Features

Specifications

• Frequency Rating:
  Between 0.2 kilohertz and 5.0 kilohertz
• Switch:
  Not included
• Impedance Rating:
  3.5 ohms
• Earphone Element Type:
  Dynamic
• Earphone Quantity:
  2
• Controlling Agency:
  Jetds
• Identifying Number:
  M-87/aic type no.
• Earphone Impedance Rating:
  19.0 ohms
• Earphone Controlling Agency:
  Jetds
• Earphone Identifying Number:
  H-143/aic type no.
• Microphone Element Type:
  Dynamic
• Output Level Rating:
  2 uv per dyne per sq cm in. 5 ohms load
• Earphone Mounting Method:
  Suspended on headband
• Microphone Mounting Facility:
  Bracket fastened to headband
• Connector Name:
  Telephone plug
• Connector Identifying Number:
  U-174/u type no.
• Connector To Junction Cord Length:
  1.959 feet
• Connector Controlling Agency:
  Jetds
• Criticality Code Justification:
  Feat
• Nondefinitive Specification/std Data:
  H-157a/aic type
• Fsc Application Data:
  Headsets, handsets, microphones and speakers
• Federal Supply Class (fsc):
  Headsets, handsets, microphones and speakers
• National Stock Number (nsn):
  5965-01-128-1410
• Special Features:
  Headband type headset with 2 h-143/aic earphone elements, a dynamic, noise cancelling m-87/aic microphone, an mt-2007/aic bracket, and a cord assembly