- Country
- France
- Manufacturer / Brand
- Charron, Bellanger et Duchamp (DFA CB, D.F.A. C.B.); Paris
- Year
- 1921 ?
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 263644
- Number of Tubes
- 2
- Valves / Tubes
- Main principle
- Detector with Vacuum Tube (Valve), no tuner
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case, TUBES VISIBLE.
- from Radiomuseum.org
- Model: 3107 - Charron, Bellanger et Duchamp
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
1 RF -1 det. (SIF patent). See also the same model 3708 with 1 det. - 1 AF (SFR patent).
- Literature/Schematics (2)
- Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 128)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 24 models, 14 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Charron, Bellanger et Duchamp (DFA CB, D.F.A. C.B.); Paris