• 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