• Country
• Great Britain (UK)

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

• Year
• 1963 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 103442

• • Brand: Defiant

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

• Number of Transistors
• 7

• Semiconductors
• AF117 AF117 AF117 OC71 OC81D OC81 OC81

• 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)

• from Radiomuseum.org
• Model: Defiant A503 - Co-operative Wholesale Society

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

• Notes
• .

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

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 123 models, 74 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