• Country
• New Zealand-Aotearoa

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

• Year
• 1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 338625

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

• Number of Tubes
• 5

• Valves / Tubes
• 6BE6 6BA6 6AV6 6AQ5 6X4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Challenger 515 - Columbus Brand; Radio Centre

• Shape
• Tablemodel, with any shape - general.

• Notes

• 5-Valve superhet broadcast (MW) receiver.

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

• Price in first year of sale
• 14.70 £

• Mentioned in
• More Golden Age of Radio (Page 119)

• Literature/Schematics (1)
• -- Original prospect or advert (Press 12 December 1957 Page 24)

• Author
• Model page created by Brian Stevens. 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