360M Vibro-Power

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

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  • Year
  • 1933 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 188222
    • 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
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 360M Vibro-Power - United American Bosch Magneto
  • Shape
  • Console with any shape - in general
  • Notes

  • The United American Bosch 360-M is an AC operated 7 tube BC and SW receiver.  Tuning range 540 to 20,000kHz. Has 3-gang condenser, AVC and tone control. Factory price: $88.50. Modern cabinet with high figured walnut veneer center panel, corners in tinted maple burl, white metal inlays.

    Features Quadri-Colour tuning scales, with band frequency ranges as follows:
    Broadcast Band (Black Band)..........................540 - 1500kHz
    Shortwave Band 1 (Green Band)......................1500 - 4000kHz
    Shortwave Band 2 (Red Band).........................3500 - 9000kHz
    Shortwave Band 3 (Blue/Purple Band)..............8000 - 20,000kHz

    The original production model service data is found in Riders Volume 4, page 4-11 and Riders Volume 5, pages 5-29, 5-30. After this model went into production, various resistor and capacitor changes were made to the chassis. Models with these changes are the "late" models, with the service data found in Riders Volume 7, pages 7-5, 7-6.

    The following 360 models were available:

    Model Cabinet Type
    360-T, 360-T (late) Table
    360-E, 360-E (late) Console
    360-S, 360-S (late) Console
    360-M, 360-M (late) Console
    360-W (late) Not Known
    360-X (late) Not Known
    360-Y (late) Not Known
  • Price in first year of sale
  • 146.00 $
  • Mentioned in
  • -- Original prospect or advert

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