• Country
• New Zealand-Aotearoa

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

• Year
• 1954 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 340320

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

• Number of Tubes
• 5

• Valves / Tubes
• 6BE6 or X79 6BA6 or W77 6AV6 or DH77 6AQ5 or N78 6X4 or U78

• 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) / 50Hz, 230 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Derby 45 - Columbus Brand; Radio Centre

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 400 x 280 x 0 mm / 15.7 x 11 x 0 inch

• Notes

• 5-Valve superhet broadcast (MW) table chest model receiver.

  Refer to schematic notes regarding valve options.

  See also Courtenay Model 45A (MW) and Columbus Model 46 (DW).

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

• Price in first year of sale
• 26.00 NZ £

• Mentioned in
• -- Original prospect or advert (Press 7 October 1954 Page 14)

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

• Other Models

• Here you find 168 models, 130 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