• Year
  • 1973 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 310695

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 472/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Power type and voltage
  • Batteries / addl. power jack / D: 6 x 1.5 / 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: 4181 - Marconi Co. Marconiphone,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 13.375 x 7.25 x 3.5 inch / 340 x 184 x 89 mm
  • Notes
  • An AM/FM portable radio covering MW (200-550 metres), LW (1200-1800 metres) and VHF (88-100 MHz) with AFC. Elliptical 6 x 4 inch loudspeaker. Powered by six 'D' cell batteries or a 9 volt PSU. Input socket for a car aerial, output jack for earphone and an input/output DIN socket for a tape recorder.

     

  • Price in first year of sale
  • 23.70 GBP
  • Literature/Schematics (1)
  • ERT Service Chart 1899 dated June 28th 1973
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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