• Country
• New Zealand-Aotearoa

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

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 172124

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A8 6K7 6B7 42 6E5 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6.5 inch = 16.5 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Columbus 85 - Columbus Brand; Radio Centre

• Shape
• Tablemodel, with any shape - general.

• Notes

• 6-Valve (including magic eye) superhet dual wave table model receiver.

  See also Courtenay Model 85.

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

• Circuit diagram reference
• Australian Official Radio Service Manual Vol. I I

• Literature/Schematics (1)
• Mingay's Radio Diagram & I.F. Index

• Author
• Model page created by Stuart Irwin. See "Data change" for further contributors.

• Other Models

• Here you find 167 models, 128 with images and 156 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington