• Country
• Austria

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

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 143074

• • Brand: Elektrot.Fabrik Ludwig Neumann

• Number of Tubes
• 7

• Valves / Tubes
• AF3 AK2 AF3 ABC1 ABC1 AL5 1561

• Main principle
• Superhet with RF-stage; ZF/IF 128 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Geographic US837W [2 Lautsprecher] - Ingelen, Elektrotechnische

• Dimensions (WHD)
• 570 x 365 x 355 mm / 22.4 x 14.4 x 14 inch

• Notes
• Geographic-Variante mit 2 über Eck angeordneten Lautsprechern und entsprechend seitlichen Gehäuseschlitzen; 4 Knöpfe; Abstimmanzeige.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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