• Country
• Belgium

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

• Year
• 1929/1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 228477

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

• Number of Tubes
• 5

• Valves / Tubes
• E442 E424 E409 or E415 E408 or R56 U9

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

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 190; 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Various materials

• from Radiomuseum.org
• Model: Ondolina Réseau O.R. [190/220V AC] - SBR Société Belge Radio-

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• Careful: The sets from 1929 used the rectifier U9 and the later sets the U10.

  • There are 2 generations from this radio:
    • On the 1st generation, the wall panels are reddish. Internally, there is a wooden upper frame with a lid and a wooden under frame. Between them, there are 4 vertically mounted metallic supports which carry also the wall panels.
    • On the 2nd generation, the wall panels are dark and the support frame is completely metallic and in one piece.
  • The AC model 110-130 and the AC model 190-220 types have an internal power supply. Both models emploi the fuse on the power transformer to select the proper mains voltage.
  • The DC model type has an internal resistor block for the filaments.
  • The Batteries type has only connectors for the batteries but can also be used with a M35 power supply. In that case, following tubes had to be used: E438 , E415 or E424 , E409 or E415 , B403 or B405.

• Price in first year of sale
• 4,815.00 BFr

• Author
• Model page created by Dirk Bladt. 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