• Year
  • 1954
  • Category
  • Television Receiver (TV) or Monitor
  • Radiomuseum.org ID
  • 231045

 Technical Specifications

  • Number of Tubes
  • 17
  • Main principle
  • Superheterodyne (common); ZF/IF 16000/19500 kHz
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • AC/DC-set / 200-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: CN4221 - Vidor Ltd.; Erith Kent
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • 17" B&W CRT, the CN4220 is the 14" version,

    Includes a socket for external 12 channel Band I & III adaptor/converter such as CN4224 or CN4227 (lacking on simiar 4218).
    VHF band I only, all five Channels (Band III commenced in 1955 in UK)
    UK 405 line system

    125W consumption, Flyback EHT 12.3kV

    Warning
    "Live" Chassis. One mains wire connects direct to chassis.

  • Mentioned in
  • 1958 Ed. Vol III, pg 544
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

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