• Country
• Belgium

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

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75168

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

• Number of Tubes
• 7

• Valves / Tubes
• 6D6 6A7 6D6 75 42 42 80

• Main principle
• Superhet with RF-stage; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Details
• Visual Tuning Indicator pre Eye

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 140; 220; 245 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 26 cm = 10.2 inch

• Power out
• 6 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super Ondolina 836A2 - SBR Société Belge Radio-

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes
• • The 836x2 radios have  an "Ombrograph"¹ (shadow tuning indicator).
  • There are 2 output tubes in push-pull to provide for powerfull audio in combination with a 26 cm loudspeaker behind an acoustic lens.
  • Variable selectivity.
  • The first radio with 3 wave bands including short waves.

  ¹ derived from the French word "Ombre" (Shadow).

• Net weight (2.2 lb = 1 kg)
• 24 kg / 52 lb 13.8 oz (52.863 lb)

• Price in first year of sale
• 3,250.00 BFr

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

• Literature/Schematics (1)
• Radio Schakelingen, J.G.R. van Dijck

• Author
• Model page created by Hugo Sneyers. See "Data change" for further contributors.

• Other Models

• Here you find 729 models, 676 with images and 406 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles