• Country
• Germany

• Manufacturer / Brand
• Techn. Büro f. HF-Entwicklung, Ing. v. Schroetter; Dresden

• Year
• 1949 ?

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 308643

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

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Einkreis-Spulensatz 49/2 - Techn. Büro f. HF-Entwicklung,

• Shape
• Chassis only or for «building in»

• Notes

• Spulensatz für den Selbstbau eines Einkreis-KML-Empfängers.
  Empfangbare Wellenbereiche: Kurzwelle 15-50 m, Mittelwelle 180-580 m und Langwelle 800-2000 m.
  Anschlüsse für Rückkopplung und Pick up.

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Michael Mischke. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 2 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Techn. Büro f. HF-Entwicklung, Ing. v. Schroetter; Dresden