• Country
• Belgium

• Manufacturer / Brand
• SBR Société Belge Radio-Electrique, Bruxelles

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75568

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

• Number of Tubes
• 6

• Valves / Tubes
• MS4B or E452T MHL4 MS4B or E452T MS4B or E452T PT4N U10 or 506 or RGN1054

• 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
• Alternating Current supply (AC) / 110; 130; 140; 220; 245 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super Ondolina 533A2 - SBR Société Belge Radio-

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 450 x 450 x 280 mm / 17.7 x 17.7 x 11 inch

• 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.
  • 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).

• 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.

• Other Models

• Here you find 699 models, 647 with images and 369 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles