305A - Super 5 Popularity - Personal Radio

United American Bosch (Magneto Corporation); Springfield (MA)

  • Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 88274
    • 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 455 kHz; Anode bend detection
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 305A - Super 5 Popularity - Personal Radio - United American Bosch Magneto
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 367 x 266 x 177 mm / 14.4 x 10.5 x 7 inch
  • Net weight (2.2 lb = 1 kg)
  • 7.1 kg / 15 lb 10.2 oz (15.639 lb)
  • Price in first year of sale
  • 22.00 $
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before
  • Mentioned in
  • -- Original prospect or advert (Radio Retailing, April 1933)
  • Literature/Schematics (3)
  • -- Original prospect or advert (Radio-Retailing, June 1933)

 Collections | Museums | Literature

Collections

The model 305A - Super 5 Popularity - Personal Radio is part of the collections of the following members.

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