• Country
• Great Britain (UK)

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

• Year
• 1967

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 245592

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

• Number of Transistors
• 7

• Semiconductors
• AF117 AF117 OC70 AC157 AC113 AC154 AC157

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Dry Batteries / PP9: 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm

• Power out
• 0.85 W (max.)

• Material
• Various materials

• from Radiomuseum.org
• Model: Chieftain KR023 - Kolster Brandes Ltd. KB, K.B.,

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

• Dimensions (WHD)
• 310 x 170 x 83 mm / 12.2 x 6.7 x 3.3 inch

• Notes

• MW has 2 bandspread ranges:
  MW1 = 540 - 1090 kHz & MW2 = 1070 - 1620 kHz.
  Same chassis as RGD RR223 "Rapier"

  Alternative transistors AF127 AF127 OC70 AC127 AC128 AC127 AC128

  Dimensions above exclude handle and knobs

• Price in first year of sale
• 17.33 UK £

• Mentioned in
• Date and price from Radio Radio, (Hill), page 260

• 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