• Country
• Great Britain (UK)

• Manufacturer / Brand
• Murphy Radio Ltd.; Welwyn Garden City

• Year
• 1970 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 109390

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

• Number of Transistors
• 10

• Semiconductors
• BF222 BF222 BF160 BF153 BF160 BF160 BC113 BC116 AC142 AC142

• Main principle
• Superheterodyne (common); ZF/IF 470/10700 kHz

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Dry Batteries / D: 6 × 1.5 Volt

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

• Power out
• 1 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: Overlander B845 - Murphy Radio Ltd.; Welwyn

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

• Dimensions (WHD)
• 15.75 x 8.5 x 4.25 inch / 400 x 216 x 108 mm

• Notes

• A ten transistor five waveband battery portable AM/FM radio housed in a wooden case with moulded plastic side panels and an imitation leather covered back. Telescopic aerial for SW and VHF. Sockets for earphone/loudspeaker and FM external aerial. Elliptical loudspeaker 8 x 5 inch.

  Wavebands:

  • LW 860 - 2000 metres (350 - 150 kHz)
  • MW 187 - 582 metres (1605 - 515 kHz)
  • SW1 12.5 - 22.5 MHz
  • SW2 5.7 - 12.5 MHz
  • VHF 88 - 108 MHz

   

• Net weight (2.2 lb = 1 kg)
• 7.5 lb (7 lb 8 oz) / 3.405 kg

• Price in first year of sale
• 41.95 GBP

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• ERT Service Chart 1788 dated April 22 1971

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 366 models, 299 with images and 234 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Murphy Radio Ltd.; Welwyn Garden City