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INTERCOMMUNICATION CONTROL STATION, AMPLIFIER, AUDIO FREQUENCY
AM-1780B/VRC

NSN: 5820-01-284-3057
NSN: 5895-01-284-3057

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The AM-1780B/VRC Intercommunications Control Station (ICS) Audio Frequency Amplifier, is an improved version of the AM-1780() Series Control Stations, used as an integral part of the AN/VIC-1 Intercommunications Set. The AN/VIC-1 is utilized in U.S. Military armored wheel and track vehicles, including Tanks, Fighting Vehicles, Fire Support Team Carriers, Wheeled Command Posts.

The improved AM-1780B Control Station provides the vehicle intercommunications system with switching of various communications functions, provides amplification of interior voice communications between vehicle crew members, furnishes the facilities to key-in radio communications equipment associated with the vehicle mission and controls power to the VIC-1 from the vehicle battery system. Additionally, the AM-1780B has provisions for exterior field wire communications.

  • The AM-1780B is electrically and mechanically interchangeable with previous versions.
  • Replacement of mechanical relays with a more reliable solid state switching system.
  • Improved circuitry to lower noise on audio lines.
  • Reduced power consumption by utilizing more efficient components.

Microphone:

150 OHMS

Headset & Loudspeaker:

150 OHMS

Line Binding Posts:

600 OHMS

Audio Input Binding Posts:

5,000 OHMS

Radio Transmitter Microphone Input:

150 OHMS

Audio Amp Output:

1 Watt/100 OHMS

Power Requirements:

22-30 Volts DC from vehicle battery system

Radio Functions:

Provides control of Radio, selected by crew control boxes

Intercom Function:

Provides communications between crew control boxes

Temperature Operating Ranges:

40°C to 66°C

Manufactured To U.S. Military Specifications, Including:

  • MIL STD 454 (Gen. Req for Electronic Equipment)
  • MIL STD 461 (EMI)
  • MIL STD 901 (Ballistic Shock)

Radio Set Compatibility:

  • AN/VRC-12 series radios
  • AN/VRC-53
  • AN/VRC-64
  • AN/GRC-125
  • AN/GRC-160
  • AN/VSC-3 Radio Teletypewriter Set

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STAR DYNAMIC CORPORATION, 100 Outwater Lane, Garfield, New Jersey 07026.
Phone: 973-340-3883 Fax: 973-340-1530

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