• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 75560

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 123 kHz; Anode bend detection
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Direct Current supply (DC) / 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Super Ondolina 533C2 [220V] - SBR Société Belge Radio-
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Notes
    • This superheterodyne radio works on a simple wire antenna, where previous SBR superheterodyne models worked with a loop antenna.
    • Tuning scales with names and wavelenghts are standard from now on.
    • In the 110V DC version there are 2 output pentodes in parallel to compensate for the lower plate voltage, in the 220V DC version there is only 1 output pentode.
    • The ballast tube is only for the filaments; the tubes are working on a higher plate voltage than the 110V DC version.
    • SBR produced the following models 533:
      • 533x1: table model without loudspeaker;
      • 533x2: table model with loudspeaker;
      • 533x3: luxury console;
      • 533x4: luxury console with pick-up;

    where 'x' represents 'A' (AC mains) or 'C' (DC mains, 110 or 220V)

    • The "251_Ballast" current regulator (250mA; 60-180volt) can be replaced by any other brand of current regulator with the same or better specifications and the same foot (B4), like the Marconi "251_MOV" or the Philips "1934".
  • Price in first year of sale
  • 3,100.00 BFr
  • External source of data
  • P.H. Brans
  • Author
  • Model page created by Hugo Sneyers. See "Data change" for further contributors.

 Collections | Museums | Literature


The model Super Ondolina is part of the collections of the following members.