• Country
• Great Britain (UK)

• Manufacturer / Brand
• Bush Radio Ltd.; london

• Year
• 1960–1963

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 90960

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

• Number of Transistors
• 7

• Semiconductors
• OC44 OC45 OC45 OC71 OC78D OC78 OC78

• 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) / Ø 4 inch = 10.2 cm

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR90B - Bush Radio Ltd.; london

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

• Dimensions (WHD)
• 9 x 6 x 2.5 inch / 229 x 152 x 64 mm

• Notes
• Released May 1960 price £13 10s 11d plus purchase tax.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

• Price in first year of sale
• 14.00 GBP

• Mentioned in
• Wireless & Electrical Trader

• Literature/Schematics (1)
• Trader Sheet 1554

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• Other Models

• Here you find 400 models, 333 with images and 239 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bush Radio Ltd.; london