• Year
  • 1935 ??
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 190482
    • alternative name: Douglas Argentina

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 175 kHz; 2 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 3.2 W (unknown quality)
  • from Radiomuseum.org
  • Model: 21C - Laboratorios Douglas S.A.C.I.;
  • Notes
  • Parlante con bobina de campo de 1800 ohms. La rectificadora puede ser también una 5Z4.
  • Source of data
  • - - Manufacturers Literature

 Collections | Museums | Literature

 Forum