• Country
• Brazil

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

• Year
• 1952 ?

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

• Radiomuseum.org ID
• 273671

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

• Number of Tubes
• 7

• Valves / Tubes
• 6BE6 6BA6 6AL5 6AU6 6E5 6V6 5Y3

• 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; 220 Volt

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

• Power out
• 4.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Rádio RD-73 - Douglas Radioelétrica S.A.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 370 x 240 x 210 mm / 14.6 x 9.4 x 8.3 inch

• Notes

• Uses Douglas coilpack model 313 (factory calibrated)

  MW = 540 - 1750 kHz
  SW1 = 2.0 - 6.8 MHz
  SW2 = 6.5 - 24 MHz

  Phono input (with a radio - phono switch)
  Tone control
  3 sections variable capacitor
  Dial 300 x 160 mm

   

• Price in first year of sale
• 1,440.00 CR$

• Mentioned in
• Revista Rádio e Televisão 1952

• 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