Radiofone (Radiophone) Type B, 3-unit system
British Radio Sales, London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- British Radio Sales, London
- Year
- 1923 ??
- Category
- Detector-Radio (Crystal or diode, without tubes/transistors)
- Radiomuseum.org ID
- 76857
- Number of Tubes
- 3
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Radiofone Type B, 3-unit system - British Radio Sales, London
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
3-unit system.
- Mentioned in
- Tickling the Crystal; Sanders
- Literature/Schematics (1)
- ad in "The Wireless World and Radio Review", Sept.16, 1922.
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from British Radio Sales, London