• Country
• Austria

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

• Year
• 1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 8942

• • Brand: Elektrot.Fabrik Ludwig Neumann

• Number of Tubes
• 4

• Valves / Tubes
• E442 E424 E438 B405 or B443

• Main principle
• TRF without regeneration

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: U4 - Ingelen, Elektrotechnische

• Notes
• Schirmgitter-Fernempfänger. Wellenbereich 200 bis 2000 m. Preis incl. Röhren. (auch als Baukasten).

• Price in first year of sale
• 500.00 ATS

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• 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