• Country
• Great Britain (UK)

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

• Year
• 1961

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 167648

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

• Number of Tubes
• 4

• Valves / Tubes
• EF86 ECC83 EL84 DM70

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 3 W (unknown quality)

• from Radiomuseum.org
• Model: Twin-Four TT40 - Kolster Brandes Ltd. KB, K.B.,

• Notes

• Tape recorder, single speed (3.75 in/sec), 4 tracks, max spool 5.75 inches.
  Twin track playback.
  Superimposing facility on all tracks.

• Source of data
• -- Schematic

• Mentioned in
• - - Manufacturers Literature (1961 brochure)

• Literature/Schematics (1)
• Radio And Television Servicing books (R&TVS)

• Author
• Model page created by Keith Staines. 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