• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 64007
    • alternative name: American Bosch Magneto
    • Brand: Essex

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • 2 Loudspeakers
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Grand Opera 312G Vibro-Power - United American Bosch Magneto
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • Class B amplification

    Price in 1933: $178.95

  • Price in first year of sale
  • 169.00 $
  • External source of data
  • Ernst Erb
  • Literature/Schematics (3)
  • -- Original prospect or advert (Radio-Retailing, June 1933)

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