• Country
• Belgium

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

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 105616

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

• Number of Tubes
• 4

• Valves / Tubes
• MS4B MS4B PT4 U10 or 506

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Anode bend detection

• Tuned circuits
• 2 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) / Ø 20 inch = 50.8 cm

• Power out
• 2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ondolina 332A2 - SBR Société Belge Radio-

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

• Dimensions (WHD)
• 430 x 485 x 280 mm / 16.9 x 19.1 x 11 inch

• Notes
• The MS4B tubes were often replaced with E452T.
• 1 knob tuning.
• Tone control.
• Connectors for pick-up and second loudspeaker.
• See also Ondolina 332A1 = same chassis without loudspeaker.

• Net weight (2.2 lb = 1 kg)
• 16 kg / 35 lb 3.9 oz (35.242 lb)

• Price in first year of sale
• 2,700.00 BFr

• Mentioned in
• Revue mensuelle SBR - Nr 24 juillet 1937 - Année 3

• Other Models

• Here you find 731 models, 678 with images and 414 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles