• Country
• Germany

• Manufacturer / Brand
• DeTeWe

• Year
• 1926/1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1425

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

• Number of Tubes
• 3

• Valves / Tubes
• RE78 RE78 RE83

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 90+4 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: DTW31 RE31 - DeTeWe

• Dimensions (WHD)
• 255 x 160 x 154 mm / 10 x 6.3 x 6.1 inch

• Notes
• 250-3000 m; 2 Variometer.

• Net weight (2.2 lb = 1 kg)
• 3.1 kg / 6 lb 13.3 oz (6.828 lb)

• Price in first year of sale
• 137.00 RM

• Source of data
• Vox-Haus, Katalog 1926/1927 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Funkgeschichte der GFGF (9282)

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• 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