• Year
  • 1930
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 43583

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Special principle (see notes)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 105; 115; 125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Majestic 103 Ch= 100-B - Grigsby-Grunow -Hinds Co.
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • 4 legged lowboy with stretcher base.
    One dial (primary tuning control knob) This set uses the two 45 tubes in a push-pull output circuit.
  • Price in first year of sale
  • 225.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (2)
  • Radio Broadcast, Apr 1930, p. 354

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