• Country
• Brazil

• Manufacturer / Brand
• Douglas Radioelétrica S.A.; São Paulo

• Year
• 1950 ??

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

• Radiomuseum.org ID
• 281402

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A8 or 6A7 6K7 or 78 6Q7 or 75 6F6 or 42 6E5 5Z4 or 80

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: 311-A - Douglas Radioelétrica S.A.;

• Notes

• MW and 2 SW radio

  3 sections variable capacitor

  Magic eye

  Supplied in kit format   Rádio receptor fornecido em kit

   

   

   

• Literature/Schematics (1)
• Manufacturer literature

• Author
• Model page created by Antonio Rabitti. See "Data change" for further contributors.

• Other Models

• Here you find 69 models, 17 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Douglas Radioelétrica S.A.; São Paulo