• Year
  • 1957 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 300730

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Valves / Tubes
  • Number of Transistors
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 4 x D 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Power out
  • 0.2 W (0.275 W max.)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: CP721B - Canadian General Electric
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 9.5 x 6.6 x 3.5 inch / 241 x 168 x 89 mm
  • Notes
  • The Canadian General Electric model CP721B is a 6-transistor battery powered radio. Same as model CP721 except for the battery holder. In the CP721, the holder is attached to rear door flap, where as in the CP721B the holder is mounted on the chassis.

  • Author
  • Model page created by Tom Seeger. See "Data change" for further contributors.

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