Instalert - Transistorized ST-1

Electrosonics International, Inc.; Philadelphia (PA)

Data
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  • Year
  • 1965 ??
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 260301

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • VHF incl. FM and/or UHF (see notes for details)
  • Power type and voltage
  • Line plus power jack, mostly with battery or storage battery / Either AC: 60 cycles, 110V or DC: 12 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Instalert - Transistorized ST-1 - Electrosonics International,
  • Shape
  • Tablemodel, low profile (big size).
  • Notes

  • Wireless fire radio alert system.

    Most probably operating in the VHF lowband ~40 MHz.

  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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