Ondolina 433A2

• Country
• Belgium

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

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 106273

• Picture
• Schematics

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

• Number of Tubes
• 5

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

• Main principle
• TRF without regeneration; Anode bend detection

• Tuned circuits
• 3 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) / Ø 20 cm = 7.9 inch

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ondolina 433A2 - 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
• • Tuning scales with names and wavelenghts are standard from now on.
  • SBR produced the following models 433:
    • 433x1: table model without loudspeaker;
    • 433x2: table model with loudspeaker;
    • 433x3: luxury console;
    • 433x4: luxury console with pick-up;

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

• Net weight (2.2 lb = 1 kg)
• 15 kg / 33 lb 0.6 oz (33.04 lb)

• Price in first year of sale
• 2,500.00 BFr

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

• Other Models

• Here you find 735 models, 682 with images and 418 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles