Interference Locator - Analyzer 500

Sprague Electric Company; North Adams, MA

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  • Year
  • 1959
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 279262

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superheterodyne (common); 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / 110; 240 / DC 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Interference Locator - Analyzer 500 - Sprague Electric Company;
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 200 x 333 x 320 mm / 7.9 x 13.1 x 12.6 inch
  • Notes

  • The Sprague 500 multi-band receiver was the last of the valve specialised radio receivers used as “interference locators”.

    They covered the range 550 kHz to 220 MHz in six bands

    It contains a 6V rechargeable battery and can be powered from the battery or AC 110V or AC240V from the internal battery charger.

  • Net weight (2.2 lb = 1 kg)
  • 12.5 kg / 27 lb 8.5 oz (27.533 lb)
  • Literature/Schematics (1)
  • Silicon Chip September 2005
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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