• Country
• Argentina

• Manufacturer / Brand
• Laboratorios Douglas S.A.C.I.; Buenos Aires

• Year
• 1940 ??

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 160037

• • alternative name: Douglas Argentina

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A8 6K7 6Q7 6F6 6E5 80

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(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)

• from Radiomuseum.org
• Model: 31C-1 - Laboratorios Douglas S.A.C.I.;

• Notes
• Tandem triple 410pF.

• Literature/Schematics (1)
• -- Schematic (Selección de Circuitos)

• Author
• Model page created by Javier Albinarrate. See "Data change" for further contributors.

• Other Models

• Here you find 121 models, 8 with images and 81 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Laboratorios Douglas S.A.C.I.; Buenos Aires