• Country
• Germany

• Manufacturer / Brand
• Apparatebau Backnang GmbH, Star-Radio, Backnang-Neuschöntal (Württ.)

• Year
• 1949/1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13939

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

• Number of Tubes
• 5

• Valves / Tubes
• UCH5 UF5 UF6 or UF5 UBL3 UY3 EU

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Neptun 50 UGW561 - Apparatebau Backnang GmbH,

• Dimensions (WHD)
• 430 x 270 x 210 mm / 16.9 x 10.6 x 8.3 inch

• Notes
• auch Star-Neptun 50 GW genannt.

• Price in first year of sale
• 345.00 DM

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

• Source of data
• Katalog Weide, 1949/50. / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funkschau (4914)

• Other Models

• Here you find 32 models, 24 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Apparatebau Backnang GmbH, Star-Radio, Backnang-Neuschöntal (Württ.)