• Country
• Great Britain (UK)

• Manufacturer / Brand
• Pye Ltd., Radio Works; Cambridge

• Year
• 1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 72450

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

• Number of Tubes
• 4

• Valves / Tubes
• DK91 DF91 DAF91 DL94

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 200-220; 225-250 / 90 + 7.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 0.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: P31MBQ - Pye Ltd., Radio Works;

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

• Dimensions (WHD)
• 11.25 x 8 x 3.875 inch / 286 x 203 x 98 mm

• Notes
• Powered by Ever Ready B126, 90 volt HT battery and Ever Ready AD38, 7.5 volt LT battery. Mains/battery powered version of the battery only P31BQ. Radio cost £12, 5 shillings and 2d, when new, this was plus tax.

• Price in first year of sale
• 12.00 £

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Technisch- Commercieel - Radio Vademecum Staleman

• Literature/Schematics (1)
• British Radio and Television

• Author
• Model page created by Keith Watt. See "Data change" for further contributors.

• Other Models

• Here you find 620 models, 476 with images and 342 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pye Ltd., Radio Works; Cambridge