• Country
• Great Britain (UK)

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

• Year
• 1964 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 174045

• • Brand: Defiant

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

• Number of Transistors
• 7

• Semiconductors
• AF117 AF117 OC70 OC71 OC81D AC127 OC81

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 2 x 9 Volt

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

• from Radiomuseum.org
• Model: Defiant A501 - Co-operative Wholesale Society

• Notes
• Portable radio fitted with earphone & aerial sockets. Battery type PP7.

• Source of data
• -- Schematic

• Circuit diagram reference
• Radio and TV Servicing books (R&TVS) book

• Author
• Model page created by Keith Staines. 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