Coronado 94RA31-43-9841A

Gamble-Skogmo, Inc.; Minneapolis, MN

  • Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 41438
    • Brand: Coronado

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / AC/DC 105-125 / 67.5 & 4.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.875 inch = 9.8 cm
  • Power out
  • 0.08 W (unknown quality)
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: Coronado 94RA31-43-9841A - Gamble-Skogmo, Inc.;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The Coronado model 94RA31-43-9841A made by Gamble-Skogmo, Inc. is a three power operated portable superheterodyne receiver with loop antenna. The number 94RA indicates first production year is 1949 (or 1948/49).
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 20 covering 1950

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