• Country
• Austria

• Manufacturer / Brand
• Ingelen, Elektrotechnische Fabrik Ing. Ludwig Neumann GmbH; Wien

• Year
• 1930/1931

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 332033

• • Brand: Elektrot.Fabrik Ludwig Neumann

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles).

• Material
• Metal case

• from Radiomuseum.org
• Model: 4 poliges Kraftsystem - Ingelen, Elektrotechnische

• Shape
• Chassis only or for «building in»

• Notes

• 4-poliges Kraftsystem.

• Price in first year of sale
• 31.00 öS

• Mentioned in
• -- Original prospect or advert (La Radio Per Tutti, Italy, number 1, January 1931)

• Literature/Schematics (1)
• -- Original prospect or advert (Radiowelt 1930)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 448 models, 398 with images and 322 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ingelen, Elektrotechnische Fabrik Ing. Ludwig Neumann GmbH; Wien