• Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 64098
    • 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
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 105-125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 501 Vibro-Power - United American Bosch Magneto
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 10 x 7 x 5 inch / 254 x 178 x 127 mm
  • Notes
  • Portable "Personal Radio". Receives police calls. AVC. Built-in antenna.

    Wood cabinet with hand-rubbed piano-case finish and real marquetry inlay.

    Factory price: $31.50. Zipper carrying case No. 500 for $3.00 ($4.00 retail).

  • Net weight (2.2 lb = 1 kg)
  • 8 lb (8 lb 0 oz) / 3.632 kg
  • Price in first year of sale
  • 52.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before
  • Literature/Schematics (3)
  • -- Original prospect or advert

 Collections | Museums | Literature

Collections

The model 501 Vibro-Power is part of the collections of the following members.

 Forum