Headset-microphone

Features

Specifications

• Frequency Rating:
  Between 0.2 kilohertz and 3.0 kilohertz
• Switch:
  Included
• Impedance Rating:
  40.0 ohms
• Earphone Element Type:
  Magnetic
• Earphone Quantity:
  1
• Controlling Agency:
  Weco
• Identifying Number:
  N1 /fiin 242-6558 type no.
• Operating Current Rating:
  85.0 milliamperes
• Earphone Impedance Rating:
  300.0 ohms
• Earphone Controlling Agency:
  Weco
• Earphone Identifying Number:
  Hc3 /fiin 248-2971/ type no.
• Microphone Element Type:
  Carbon
• Output Level Rating:
  38 db above 1 mv
• Earphone Mounting Method:
  Suspended on headband
• Microphone Mounting Facility:
  Mounted by shaft from earphone
• Connector Identifying Number:
  U-77/u /fiin 256-3807/ type no.
• Connector To Junction Cord Length:
  3.500 feet
• Connector Controlling Agency:
  Jcens
• Nondefinitive Specification/std Data:
  Part no. H-81 / //u
• Federal Supply Class (fsc):
  Headsets, handsets, microphones and speakers
• National Stock Number (nsn):
  5965-00-519-9366