Koffer Super BSK 239D (BKS 239D)

• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1939–1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1265

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• KK2 KF4 KBC1 KC3 KDD1

• Main principle
• Superheterodyne (common); ZF/IF 488 kHz

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 120 / 2 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Koffer Super BSK 239D - Braun; Frankfurt

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 435 x 325 x 170 mm / 17.1 x 12.8 x 6.7 inch

• Notes
• Beide Schreibweisen kommen vor: BSK und BKS! eingebaute Rahmenantenne; Holzgehäuse, Leder bezogen blau oder braun

• Net weight (2.2 lb = 1 kg)
• 12.5 kg / 27 lb 8.5 oz (27.533 lb)

• Price in first year of sale
• 234.00 RM

• Source of data
• Handbuch WDRG 1939 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Schenk-Regelien

• Mentioned in
• Historische Radios (1-5) = zur Verknüpfung mit Modellseiten

• Literature/Schematics (1)
• Eltax Katalog

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

• Other Models

• Here you find 1067 models, 936 with images and 653 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt