• Year
  • 1931–1937
  • Category
  • Military Receiver
  • Radiomuseum.org ID
  • 74734

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 90/4,8 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Tornisterempfänger Spez.445b Bs - Telefunken Deutschland TFK,
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 326 x 246 x 169 mm / 12.8 x 9.7 x 6.7 inch
  • Notes
  • 3 verschiedene Einschübe mit Spulensätzen: kurz 2700 - 8000 kHz, mittel 475 - 3500 kHz, lang 94 - 1050 kHz.

    Betrieb mit Nickel-Cadmiumsammler 4,8NC10 und Anodenbatterie 90 V, diese für Gittervorspannung angezapft bei 3 V.

  • Net weight (2.2 lb = 1 kg)
  • 25 kg / 55 lb 1.1 oz (55.066 lb)
  • Mentioned in
  • -- Original-techn. papers. (D 917 Der Tornisterempfänger)
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Luftnachrichtenschule Halle (Saale): Tornisterempfänger 445 Bs. Betrieb und Prüfungr)
  • Author
  • Model page created by Wolfgang Bauer. See "Data change" for further contributors.

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