• Country
• Belgium

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

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75367

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

• Number of Tubes
• 5

• Valves / Tubes
• E452T or MS4B E452T or MS4B E452T or MS4B PT4 U10 or 506

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 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; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ondolina 432A2 [PT4] - SBR Société Belge Radio-

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

• Notes
• • There are 2 generations with different tubes: see model with MPT4 tube.
  • In the schematic, and in some but not all radios, there is a feedback with a twisted wire capacitor which may have been intended as a neutralisation feedback.
  • SBR produced the following models 432:
    • 432x1: table model without loudspeaker;
    • 432x2: table model with loudspeaker;
    • 432x3: luxury console;
    • 432x4: luxury console with pick-up;

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

• Price in first year of sale
• 3,500.00 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 718 models, 666 with images and 393 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles