• Country
• Great Britain (UK)

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

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78519

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

• Number of Tubes
• 6

• Valves / Tubes
• 9D2 15D1 9D2 10D1 Pen4VB IW3 Neon_Indicator

• Main principle
• Superhet with RF-stage; ZF/IF 130 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 205; 225; 245 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Rejectostat A.C. Six KB 428 - Kolster Brandes Ltd. KB, K.B.,

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 16 x 19.75 x 10.25 inch / 406 x 502 x 260 mm

• Notes

• See also KB 428A 100v version
  "Fototune" dial shows one station at a time through a window. With Osram neon indicator. Provision for using a Rejectostat aerial.

  Demonstration of the KB 428 with "Tuneon" working

• Price in first year of sale
• 175.00 Hfl

• Source of data
• Radio! Radio!

• Mentioned in
• Technisch- Commercieel - Radio Vademecum Staleman

• Literature/Schematics (1)
• Wireless Retailer and Broadcaster

• Literature/Schematics (2)
• K-B Service Manual

KB 428 service manual

4439 KB

• Documents regarding this model

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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