4122

Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)

Data
Forum
Pictures
Collections

  • Year
  • 1966 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 180445

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

 Technical Specifications

  • Number of Transistors
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 475 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 1 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: 4122 - Marconi Co. Marconiphone,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 13.12 x 6.25 x 3.25 inch / 333 x 159 x 83 mm
  • Notes

  • A nine transistor portable radio with MW, LW and "Luxembourg" bandspread (187.5 - 214 metres MW). A permeability-tuned aerial coil is used in place of the ferrite rod aerial when the 'CAR' button is pressed. Battery type PP9. Sockets for car aerial, tape, and earphone. Elliptical loudspeaker 7 x 3⅝ inch.

  • Source of data
  • -- Schematic
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Marconiphone Service Manual)
  • Literature/Schematics (3)
  • ERT Service Chart 1562 dated October 6 1966
  • Author
  • Model page created by Keith Staines. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum