312-R circuit 1

Douglas Radioelétrica S.A.; São Paulo

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  • Year
  • 1950 ??
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 281401

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • from Radiomuseum.org
  • Model: 312-R circuit 1 - Douglas Radioelétrica S.A.;
  • Notes

  • The model 312 from Douglas Radiioelétrica has 3 distinct versions known in Brazil

    312-R circuit 1 = UCH42 converter
    312-R circuit 2 = as circuit 1, probably different chassi size
    312 circuit    3 = 12BE6 converter

    All models use Douglas coilpack 312
    MW = 540 to 1600 kHz
    SW1 = 5.8 to 18 MHz

    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.

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