• Country
• Argentina

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

• Year
• 1935 ??

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

• Radiomuseum.org ID
• 190557

• • alternative name: Douglas Argentina

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

• Number of Tubes
• 6

• Valves / Tubes
• 58 2A7 58 2B7 2A5 80

• Main principle
• ZF/IF 175 kHz; 2 AF stage(s)

• Tuned circuits
• 7 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: 48&50 - Laboratorios Douglas S.A.C.I.;

• Notes
• Parlante con campo de 1500 ohms. El juego de bobinas 50 trae una etapa adicional de FI la cual requiere una válvula 58 adicional transformando el circuito en un Super 7.

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Cristian Wolkenstein. 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