• Country
• Great Britain (UK)

• Manufacturer / Brand
• Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104637

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

• Number of Tubes
• 7

• Valves / Tubes
• 6K7G 6K8G 6K7G 6Q7G Y63 6V6GT 5Z4G

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 100-250 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: BR40 - Kolster Brandes Ltd. KB, K.B.,

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

• Notes

• The BR40 wave bands are as follows;
  MW band (1540 to 535 kHz)
  LW band (400 to 135 kHz)
  49m band (6.28 to 5.92MHz)
  31m band (9.85 to 9.35MHz)
  25m band (12.1 to 11.5MHz)
  19m band (15.69 to 14.95MHz)
  16m band (18.2 to 17.4MHz)

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

KB BR40 service manual

1917 KB

• Documents regarding this model

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 415 models, 372 with images and 253 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB