• Country
• New Zealand-Aotearoa

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

• Year
• 1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 330863

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

• Number of Tubes
• 5

• Valves / Tubes
• 6K8G 6K7G 6B8G 6K6G 84

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Columbus Model 12 - Columbus Brand; Radio Centre

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

• Dimensions (WHD)
• 280 x 190 x 165 mm / 11 x 7.5 x 6.5 inch

• Notes

• 5-valve broadcast (MW) superhet mantel receiver. 

  See schematics for circuit variations over time.

  Manufactured for Columbus Radio Centre Ltd by Radio Corporation of New Zealand Ltd in 1940.

  See also Courtenay Model 12.

• Mentioned in
• The Golden Age of Radio in the Home 1986 (Page 66)

• Literature/Schematics (1)
• -- Collector info (Sammler) (From my collection)

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

• Other Models

• Here you find 162 models, 123 with images and 151 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington