• Year
  • 1936/1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 9038
    • Brand: Elektrot.Fabrik Ludwig Neumann

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 7
  • 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 [1 Lautsprecher] - Ingelen, Elektrotechnische
  • Dimensions (WHD)
  • 570 x 365 x 355 mm / 22.4 x 14.4 x 14 inch
  • Notes
  • Ingelen Geographic US837W hat eine 3-Element-Neon Abstimmanzeige unterhalb der Geographic Skala. Siehe auch die besonders gestalteten Radios mit Geographic Skala von VEF, Riga, z.B. den Vefsuper Lux.
  • Price in first year of sale
  • 840.00 öS
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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Collections

The model Geographic is part of the collections of the following members.

Museums

The model Geographic can be seen in the following museums.

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