• Year
  • 1930
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 18384

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • TRF without regeneration; Screengrid 1926-1935
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Direct Current supply (DC) / 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: D2 Chassis - Atwater Kent Mfg. Co.;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • for Console models: 70 / 74 / 76; Photos not here, only at relevant cabinet page !

    The type D chassis uses a type N-3 Atwater Kent speaker, a variation of the type N speaker but having a 650 ohm field resistance.  The difference between the D1 and D2 chassis is the swapping of screen grid resistors only.

  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

 Collections | Museums | Literature

Collections

The model D2 is part of the collections of the following members.

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