- Country
- Belgium
- Manufacturer / Brand
- SBR Société Belge Radio-Electrique, Bruxelles
- Year
- 1924 ?
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 230378
- Number of Tubes
- 2
- Valves / Tubes
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - only for Earphone!
- Material
- Wooden case
- from Radiomuseum.org
- Model: Otophone - SBR Société Belge Radio-
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 330 x 200 x 110 mm / 13 x 7.9 x 4.3 inch
- Notes
-
- This unit was manufactured by Marconi (GB), but SBR retailed it under their own label.
- This amplifier was designed for the hearing impaired person to replace the acoustic ear horn (ear trumpet) and had to be used with an earphone or a headphone.
- The unit is fully portable and contained internal batteries with optional support of external storage batteries to preserve lifetime of the internal batteries.
- Author
- Model page created by Dirk Bladt. 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