• Country
• Great Britain (UK)

• Manufacturer / Brand
• Champion Electric, Newhaven / Seaford

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 99344

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

• Number of Tubes
• 4

• Valves / Tubes
• DK91 DF91 DAF91 3S4

• Number of Transistors

• Semiconductors
• Metal-rectifier

• Main principle
• Superheterodyne (common); ZF/IF 465 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) / 7.5 & 67.5 / 200-250 Volt

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

• Material
• Various materials

• from Radiomuseum.org
• Model: Skymaster - Champion Electric, Newhaven /

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

• Notes

• Example sets may have alternate replacement valves fitted, the Metal-rectifier for Mains operation is a Brimar SB3 which may explain factory fitted Brimar 3S4 rather than identical Mullard DL92 output. Others originally Mullard.

  Batteries:

  • LT 7.5V Ever Ready AD31
  • HT 67.5 Ever Ready B101

  WARNING: No isolation, chassis can be "live" when on AC mains.

  Price included batteries but not Purchase tax. Released in May 1949.

• Price in first year of sale
• 13.00 GBP

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

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (929 (15th Oct 1949))

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

• Other Models

• Here you find 57 models, 37 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Champion Electric, Newhaven / Seaford