• Country
• Belgium

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

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 100565

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 without regeneration; 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
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ondolina 333A2 - SBR Société Belge Radio-

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

• Dimensions (WHD)
• 400 x 290 x 230 mm / 15.7 x 11.4 x 9.1 inch

• Notes
• • The MS4B tubes were often replaced with E452T.
  • The last SBR radio with a tuning scale from 0 to 100.
  • 1 knob tuning.
  • Connectors for pick-up and second loudspeaker.

   

• Price in first year of sale
• 1,950.00 BFr

• Mentioned in
• Manuel de la Radio 1940, van Cortenberghe

• 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