• Country
• Germany

• Manufacturer / Brand
• Springer, J. AG; München

• Year
• 1925–1928

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

• Radiomuseum.org ID
• 95805

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

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Radioca 500 - Springer, J. AG; München

• Dimensions (WHD)
• 34 x 13 x 34 mm / 1.3 x 0.5 x 1.3 inch

• Notes

• .

• Net weight (2.2 lb = 1 kg)
• 0.015 kg / 0 lb 0.5 oz (0.033 lb)

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

• Mentioned in
• RADIOBOTE, Österr. (Heft 81/2019, S.14 ff, Gerätebeschreibung)

• Literature/Schematics (1)
• "Radio-Export" 1925, Nr.1

• Author
• Model page created by Gerhard Haberzettl. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Springer, J. AG; München