Headset-microphone

Features

Specifications

• Frequency Rating:
  Between 0.2 kilohertz and 2.0 kilohertz
• Switch:
  Not included
• Dc Resistance Rating In Ohms:
  28.0
• Impedance Rating:
  300.0 ohms
• Earphone Element Type:
  Magnetic
• Earphone Quantity:
  1
• Controlling Agency:
  Western electric co inc
• Identifying Number:
  N-1 model no.
• Operating Current Rating:
  100.0 milliamperes
• Earphone Impedance Rating:
  256.0 ohms
• Earphone Controlling Agency:
  Western electric co inc
• Earphone Identifying Number:
  Hc-3 model no.
• Microphone Element Type:
  Carbon
• Output Level Rating:
  38 db above 1 mw at 28 dynes per sq centimeter
• Earphone Mounting Method:
  Suspended on headband
• Microphone Mounting Facility:
  Adjustable boom secured to receiver
• Connector Name:
  Test clips
• Connector Identifying Number:
  3 model no.
• Connector To Junction Cord Length:
  7.000 feet
• Connector Controlling Agency:
  Western electric co inc
• Federal Supply Class (fsc):
  Headsets, handsets, microphones and speakers
• National Stock Number (nsn):
  5965-00-854-2075
• Special Features:
  A 516a capacitor is included as an integral part of the cord and is used in testing telephone cable pairs without causing interference