Lautsprechermikrophon
Bell Telephone, New York
- Country
- United States of America (USA)
- Manufacturer / Brand
- Bell Telephone, New York
- Year
- 1941 ?
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 223485
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: Lautsprechermikrophon - Bell Telephone, New York
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Notes
- Fernsprech-Gerät, das ohne Stromversorgung arbeitet. Permanentdynamischer Lautsprecher wird invers als Mikrofon benutzt. Handbetriebener Kurbeldynamo erzeugt als Rufton 1 KHz. Kein Verstärker notwendig.
- Net weight (2.2 lb = 1 kg)
- 1 kg / 2 lb 3.2 oz (2.203 lb)
- Mentioned in
- Der Rundfunkhändler, 1941, Heft26, S. 561
- Author
- Model page created by Hans-Werner Ellerbrock. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Bell Telephone, New York