• Country
• Germany

• Manufacturer / Brand
• DeTeWe

• Year
• 1935–1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1461

• • alternative name: Deutsche Telephonwerke GmbH; || Deutsche Tel-w. & und Kabelind. || DTW

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

• Number of Tubes
• 3

• Valves / Tubes
• AF7 AL1 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; 125; 150; 220; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Helgoland 125W - DeTeWe

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

• Dimensions (WHD)
• 540 x 280 x 240 mm / 21.3 x 11 x 9.4 inch

• Notes
• schwarz

• Price in first year of sale
• 149.00 RM !

• Source of data
• Radio-Zentrale Prohaska 1936/37 / Radiokatalog Band 1, Ernst Erb

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

• Literature/Schematics (2)
• -- Schematic (OTO- Schaltungen)

• Other Models

• Here you find 116 models, 94 with images and 57 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeTeWe