• Country
• Great Britain (UK)

• Manufacturer / Brand
• Perdio Electronics Ltd. / Products Ltd.; London, Stanmore

• Year
• 1959/1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 119285

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; 3 AF stage(s)

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

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Piccadilly 7 Transistor PR721 [with OC78] - Perdio Electronics Ltd. /

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 6 x 4 x 1.75 inch / 152 x 102 x 44 mm

• Notes
• There is also a variant with different transistor lineup.

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

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

• Other Models

• Here you find 62 models, 53 with images and 39 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Perdio Electronics Ltd. / Products Ltd.; London, Stanmore