• Country
• Brazil

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

• Year
• 1950 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 282436

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

• Number of Tubes
• 6

• Valves / Tubes
• 6BE6 6SG7 or 6BA6 6H6 or 6AL5 6SJ7 or 6AU6 6V6 or 6AQ5 5Y3GT

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

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• from Radiomuseum.org
• Model: 313 - Douglas Radioelétrica S.A.;

• Notes

• Wavebands:
  MW plus 2 SW receiver
  
  MW = 540 to 1750 kHz
  SW1 = 2.6 to 6.8 MHz
  SW2 = 6.5 to 24 MHz

  Uses Douglas model 313 coil pack
  Phono input
  Tone control

  Supplied in kit format  - fornecido em forma de 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