• Country
• Great Britain (UK)

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

• Year
• 1965

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 101714

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

• Number of Transistors
• 10

• Semiconductors
• AF178 AF115 AF117 AF116 AF116 AF116 AC127 AC127 OC81 OC81

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

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 2 × 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 8 inch = 20.3 cm

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor 10 B831 - Murphy Radio Ltd.; Welwyn

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

• Dimensions (WHD)
• 318 x 187 x 108 mm / 12.5 x 7.4 x 4.3 inch

• Notes
• Wavebands: LW 1070-1900m, MW 185-570m, Bandspread 185-210m, FM 87.5-100 MHz. Sockets for earphone and external aerial.

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Howard Craven. 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