• Country
• Belgium

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

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 31060

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

• Number of Tubes
• 5

• Valves / Tubes
• 6D6 6A7 6B7 42 80

• Main principle
• Superhet with RF-stage; ZF/IF 123 kHz; Reflex

• 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; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 21 cm = 8.3 inch

• Power out
• 3.2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super Ondolina 374A - SBR Société Belge Radio-

• Shape
• Tablemodel, low profile (big size).

• Notes
• • The 374x radios have an automatic loudness control to compensate for the loss of sensitivity of the human ear in low and high frequencies at low soundlevels.
  • They also have the silent tuning feature.
  • The IF tube 6B7 is reflexed as the 1st AF stage.

   

• Price in first year of sale
• 1,650.00 BFr

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

• Author
• Model page created by Bruno Brasseur. See "Data change" for further contributors.

• Other Models

• Here you find 711 models, 659 with images and 384 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles