• Country
• Germany

• Manufacturer / Brand
• Telefon- & Telegraphenbau GmbH (TTG); Frankfurt am Main

• Year
• 1924 ?

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 93089

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detektor-Empfänger DPK70 - Telefon- & Telegraphenbau GmbH

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 125 x 80 x 20 mm / 4.9 x 3.1 x 0.8 inch

• Notes
• 2 Kopfhörer-Ausgänge.

• Net weight (2.2 lb = 1 kg)
• 0.6 kg / 1 lb 5.1 oz (1.322 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Bernd Schmitz. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefon- & Telegraphenbau GmbH (TTG); Frankfurt am Main