Coronado 94RA4-43-8131A

Gamble-Skogmo, Inc.; Minneapolis, MN

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  • Year
  • 1948/1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 41445
    • 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
  • AC/DC-set / 110-120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: Coronado 94RA4-43-8131A - Gamble-Skogmo, Inc.;
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • According to SAMS Photofact, Date 5-49, 4910-10, set 62, folder 10, the Coronado models 94RA4-43-8129A, 94RA4-43-8130A, 94RA4-43-8130B, 94RA4-43-8131A and 94RA4-43-8131B made by Gamble-Skogmo, Inc. are AC-DC operated superheterodyne receivers with a built in loop antenna and the same chassis. Most probably the 3 different numbers name the cabinet color which is either Brown, White or Black. 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 22, covering 1951

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