• Country
• Brazil

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

• Year
• 1950 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 280722

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

• Number of Tubes
• 3

• Valves / Tubes
• 1A7GT 1N5GT 1D8GT

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 2 x 45 & 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 67A circuit 4 - Douglas Radioelétrica S.A.;

• Notes

• The model 67 from Douglas Radiioelétrica has 3 distinct versions known in Brazil

  MODEL	CHARACTERISTIC
  67A circuit 4	90V dry battery power supply, 3 tubes
  67 circuit 1	6V car battery power supply
  67 circuit 3	90V dry battery power supply, 4 tubes
  67 circuit 4	As 67A - special chassi

  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