• Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 101463
    • Brand: SFER

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 2 & 144 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: RA21B - Radiola marque
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 520 x 270 x 200 mm / 20.5 x 10.6 x 7.9 inch
  • Notes
  • This model is the electronic equivalent of Philips 628B.

  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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