• Country
• Great Britain (UK)

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

• Year
• 1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 193294

• Number of Tubes
• 4

• Valves / Tubes
• 1C2 1F3 1FD9 1P11

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz; 2 AF stage(s)

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

• Power type and voltage
• Line / Batteries (any type) / 200-250 / 7.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: BU183M - Murphy Radio Ltd.; Welwyn

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

• Dimensions (WHD)
• 13.5 x 11 x 4.75 inch / 343 x 279 x 121 mm

• Notes
• AC/DC mains, or battery, portable set. Metal rectifier. Updated version of the earlier BU183A model with minor changes to circuit.

• Source of data
• - - 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