• Year
  • 1932
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 38436
    • alternative name: Emerson Television

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF without regeneration; 1 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 110 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: 20A Ch= G4 - Emerson Radio & Phonograph
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 240 x 175 x 130 mm / 9.4 x 6.9 x 5.1 inch
  • Notes
  • According to Radex, a cable and plug for 6 and 32 volt battery use was available for $2 extra. Receives regular broadcast.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before
  • Literature/Schematics (2)
  • Radex, Radio-Index, Sept. 1933

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