- Country
- Great Britain (UK)
- Manufacturer / Brand
- Murphy Radio Ltd.; Welwyn Garden City
- Year
- 1967
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 304321
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 8
- 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
- Power out
- 1 W (unknown quality)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: B840 - Murphy Radio Ltd.; Welwyn
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 12.5 x 7.375 x 4.25 inch / 318 x 187 x 108 mm
- Notes
-
A battery powered portable 8 transistor radio covering MW (187 - 565 metres), LW (1070 - 1900 metres) and has Bandspread covering the high frequency end of MW (192 - 210 metres). Available in a black, red or olive green cabinet. Sockets for car aerial and earphone. Elliptical loudspeaker 8 x 5 inch.
The same chassis is used in the Murphy Transistor 8 B815A model.
- Mentioned in
- - - Manufacturers Literature (1967 Murphy Sound catalogue)
- Literature/Schematics (1)
- - - Manufacturers Literature (Service Information Supplement to the Murphy B815 Service Instructions)
- 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