• Country
• Belgium

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

• Year
• 1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 228438

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

• Number of Tubes
• 7

• Valves / Tubes

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Storage and/or dry batteries / 4 & 120 & -15 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Changeur de fréquence 7 lampes - SBR Société Belge Radio-

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

• Notes
• • Presumably the same appearance as the "BIG-SIX" but it had 7 tubes instead of 6. A separate oscillator tube was added. The type of tubes can only be guessed at this date.
  • The radio was on sale as a kit or fully factory assembled.
  • The 2 audio frequency transformers are replaced by a so-called "group double basse fréquence".
  • It was delivered with a loop antenna "Petit".

• Author
• Model page created by Dirk Bladt. 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