• Country
• Great Britain (UK)

• Manufacturer / Brand
• Co-operative Wholesale Society (CWS) - Defiant; Manchester

• Year
• 1959/1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 112906

• • Brand: Defiant

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

• Number of Tubes
• 4

• Valves / Tubes
• DK96 DF96 DAF96 DL96

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

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

• Power type and voltage
• Dry Batteries / 1,5 & 90 Volt

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Defiant A3 - Co-operative Wholesale Society

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

• Notes

• Uses AD35 1.5V for LT (125mA approx.) and B126 90V for HT (8.5mA approx.), so about 100 hours operation originally.

  Wavebands

  • MW 195 ... 555 m
  • LW 1111 ... 2000 m, optimised for 200kHz (Was BBC Light, 198KHz now R4)

  IF bandwidth about 6 KHz at -6 dB points. Ferrite Rod Aerial.

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

• Literature/Schematics (1)
• Radio And Television Servicing books (R&TVS) (1959-1960 stand alone volume page 69)

• Author
• Model page created by Mario Coelho. See "Data change" for further contributors.

• Other Models

• Here you find 124 models, 75 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Co-operative Wholesale Society (CWS) - Defiant; Manchester