• Country
• Great Britain (UK)

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

• Year
• 1963 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 102483

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

• Number of Transistors
• 7

• Semiconductors
• AF117 AF117 AF117 OC81D OC81 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 / 9 Volt

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

• Power out
• 0.4 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Strand PR44 - Perdio Electronics Ltd. /

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

• Notes
• Portable radio with sockets for car aerial & earphone. Battery PP9.

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

• Literature/Schematics (1)
• Radio And Television Servicing books (R&TVS) (Trader Sheet 1769.)

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

• Other Models

• Here you find 63 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