• Country
• Great Britain (UK)

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

• Year
• 1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104752

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

• Number of Transistors
• 7

• Semiconductors
• AF117 AF117 OC70 AC157 AC157 AC113 AC154

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

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

• Power type and voltage
• Dry Batteries / 9 Volt

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

• from Radiomuseum.org
• Model: Commodore KR022 - Kolster Brandes Ltd. KB, K.B.,

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

• Dimensions (WHD)
• 310 x 175 x 75 mm / 12.2 x 6.9 x 3 inch

• Notes

• MW is spread between 2 bands giving "bandspread" on both the high and low wavelengths.
  Alternative transistors found in the "Brown" example seen above in photo ID=2275174 serial number 1278/11805, are AF127 AF127 OC70 AC127 AC128 AC127 AC128.
  In the "Grey" example photo ID=1403860 serial number 1278/04212, alternative transistors were; AF117 AF127 AC151 AC127 AC128 AC127 AC128

  Battery type; PP9.
  Dimensions do not include knobs and handle.

  Same chassis as RGD RR222 "Rambler"

• Price in first year of sale
• 19.16 UK £

• Mentioned in
• -- Original-techn. papers. (Date and price from Radio Radio, (Hill), page 260)

• 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