• Country
• Germany

• Manufacturer / Brand
• Gemeinschaftserzeugnisse Vorkrieg

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14740

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

• Number of Tubes
• 3

• Valves / Tubes
• AF7 AL4 AZ1

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 150; 220; 240 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Radio-Union RU3W - Gemeinschaftserzeugnisse

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 490 x 260 x 240 mm / 19.3 x 10.2 x 9.4 inch

• Net weight (2.2 lb = 1 kg)
• 9.3 kg / 20 lb 7.8 oz (20.485 lb)

• Price in first year of sale
• 138.00 RM

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

• Source of data
• Handbuch WDRG 1937 / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Mentioned in
• -- Schematic (OTO-Schaltungen)

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 58 models, 46 with images and 37 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gemeinschaftserzeugnisse Vorkrieg