• Country
• Great Britain (UK)

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

• Year
• 1931 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 244941

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

• Number of Tubes
• 7

• Valves / Tubes
• SGA1 SGA1 SGA1 HLA1 HLA1 AC/Pen 1807

• Conflicting model year with tube data.
• The model date contradicts tube dates. [ HLA1 (1932)]

• Main principle
• Superhet with RF-stage; ZF/IF 114 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 210; 230; 250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kolstar KB 286 [Table] - Kolster Brandes Ltd. KB, K.B.,

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes

• Table version of KB 286 (console)

   

• Author
• Model page created by Mike Edwards † 25.10.21. 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