• Country
• Great Britain (UK)

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

• Year
• 1965

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 98434

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

• Number of Transistors
• 8

• Semiconductors
• AF117 AF117 AF117 AF117 AC127 AC127 OC81 OC81

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

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / PP9: 2 x 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor 8 B815 - Murphy Radio Ltd.; Welwyn

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

• Dimensions (WHD)
• 12.5 x 7.5 x 4 inch / 318 x 191 x 102 mm

• Notes

• A battery powered portable eight transistor radio covering the MW (187-565 metres or 187-570 metres) and LW (1070-1900 metres) bands, and Bandspread covering the high frequency end of MW (192-210 metres).  When the 'CAR AE.' push button is pressed down, separate screened aerial tuning coils are used with a car aerial. Sockets for car aerial and earphone. Elliptical loudspeaker 8 x 5 inch. Price in 1966 £14 9s 7d plus purchase tax.

  The later Murphy B815A is similar, but with minor circuit changes including different output transistors and is medium grey in colour.

   

• Net weight (2.2 lb = 1 kg)
• 1.9 kg / 4 lb 3 oz (4.185 lb)

• Price in first year of sale
• 18.00 GBP

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

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (1768 dated 26 August 1966)

• Literature/Schematics (2)
• Radio And Television Servicing books (R&TVS)

• Literature/Schematics (3)
• ERT Service Chart 1568 dated November 17 1966

• 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