• Country
• Great Britain (UK)

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

• Year
• 1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104849

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

• Number of Tubes
• 7

• Valves / Tubes
• ECC84 6BW7 20D4 6BJ6 EABC80 EL84 EZ80

• Main principle
• Superheterodyne (common); ZF/IF 422/10700 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Minor Gram OG10 - Kolster Brandes Ltd. KB, K.B.,

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

• Dimensions (WHD)
• 587 x 445 x 337 mm / 23.1 x 17.5 x 13.3 inch

• Notes

• Model OG10, known as the "Minor Gram", uses the same chassis as models NG20/1 and NR30/1, with minor differences as explained in the documentation for the models.

  This model has no magic eye and has consolette legs.

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

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (Nr. 1327)

• 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