• Country
• Great Britain (UK)

• Manufacturer / Brand
• Pilot Radio Ltd.; London

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 143934

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

• Number of Tubes
• 5

• Valves / Tubes
• 1A7 1N5 1H5 1C5 1D5_rectifier

• Main principle
• Superheterodyne (common); ZF/IF 451 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 200-250 / 1.5 & 90 Volt

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

• from Radiomuseum.org
• Model: Twin Miracle - Pilot Radio Ltd.; London

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

• Notes
• AC/DC Mains or battery, transportable set.

• Source of data
• -- Schematic

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

• Literature/Schematics (1)
• Trader Sheet 433.

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

• Other Models

• Here you find 133 models, 88 with images and 97 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pilot Radio Ltd.; London