• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1940/1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1267

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

• Number of Tubes
• 5

• Valves / Tubes
• KK2 KF3 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 / 2 & 140 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: BS41 - Braun; Frankfurt

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 570 x 300 x 280 mm / 22.4 x 11.8 x 11 inch

• Notes

• Siehe auch Opta 55B.

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Mentioned in
• Radio-Mentor Heft 11/1940

• Other Models

• Here you find 1061 models, 931 with images and 652 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt