• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• Columbus (Brand); Radio Centre Ltd.; Wellington

• Year
• 1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 340156

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

• Number of Tubes
• 4

• Valves / Tubes
• 6SA7 6AR7GT KT61 6X4

• Main principle
• Superheterodyne (common); 1 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 50Hz, 230 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 inch = 16.5 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Essex Clock Radio 4 - Columbus Brand; Radio Centre

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• 4-Valve superhet broadcast (MW) clock radio.

  Can be pre-set to switch on or off at any given hour or programme time.

• Mentioned in
• More Golden Age of Radio (Page 118)

• Literature/Schematics (1)
• -- Original prospect or advert (Press 8 June 1953 Page 4)

• Author
• Model page created by Brian Stevens. See "Data change" for further contributors.

• Other Models

• Here you find 169 models, 131 with images and 157 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington