TV Tuner Unit CN4227

Vidor Ltd.; Erith (Kent)

  • Year
  • 1954
  • Category
  • Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
  • Radiomuseum.org ID
  • 202951

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

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: TV Tuner Unit CN4227 - Vidor Ltd.; Erith Kent
  • Shape
  • Chassis only or for «building in»
  • Notes
  • An add-on tuner unit which will convert Vidor CN4225 & CN4226 GB VHF Band I TV receivers to GB VHF Band I/III receivers with 3 pre-set channels (1 Band I, 2 x Band II). The similar CN4224  is for the slightly  earlier CN4220 & CN4221 models.

  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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