- Country
- Germany
- Manufacturer / Brand
- Birgfeld AG, W.A; Berlin
- Year
- 1924/1925
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 14052
-
- Brand: Broadcast AG
- Number of Tubes
- 4
- Valves / Tubes
- Main principle
- TRF with regeneration; 1 Special; 2 AF stage(s); something special ? Please give information (notes)
- Tuned circuits
- 2 AM circuit(s)
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: HN4b - Birgfeld AG, W.A; Berlin
- Notes
- Schatulle mit Türen; Sekundärempfänger
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Radiokatalog Band 2, Ernst Erb
- Mentioned in
- Historische Radios Band III (41)
- Picture reference
- Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.
- Other Models
-
Here you find 20 models, 15 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Birgfeld AG, W.A; Berlin