• Year
  • 1950 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 280077

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

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • from Radiomuseum.org
  • Model: 58 circuit 6 - Douglas Radioelétrica S.A.;
  • Notes
  • The model 58 from Douglas Radiioelétrica has 6 distinct versions

    MODEL

    CHARACTERISTIC

    58 circuit 1

    Series connected filaments, 220V ac dc, 6A8 converter

    58 circuit 2

    Parallel connected filaments, 220V ac, magic eye

    58 circuit 3

    As circuit 1, 6K8 converter

    58 circuit 4

    Car battery power supply supply

    58 circuit 5

    Series connected filaments, 220V ac dc, magic eye

    58 circuit 6

    Parallel connected filaments, push pull 6F6

    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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