233

Detrola; Detroit (MI)

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  • Year
  • 1939 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37233

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; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 233 - Detrola; Detroit MI
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 16 x 8.75 x 7.5 inch / 406 x 222 x 191 mm
  • Notes

  • The Detrola 233 has the following features:

    • 3 bands:
      MW: 540 - 1600 kHz
      SW1: 1.6 - 5.5 MHz
      SW2: 5.5 - 16.5 MHz
    • 6 button mechanical automatic tuning system
    • Built-in phonograph

    The Detrola 223 was the radio only version.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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