• Country
• New Zealand-Aotearoa

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

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 344623

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

• Number of Tubes
• 6

• Valves / Tubes
• 6K7G 6J8G 6B8G 6J7G 6F6G 5Y3G or U50

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 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 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 66J [Mantel] - Columbus Brand; Radio Centre

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 22 x 12 x 9 inch / 559 x 305 x 229 mm

• Notes

• 6-Valve superhet with RF stage dual wave mantel receiver.

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

  There are at least 6 known variants of this receiver.

  • 66   using 6K7G 6K8G 6B8G 6J7G 6F6G 5Y3G or U50.
  • 66E using 6K7G 6K8G 6B7    6C6   6F6G 5Y3G or U50.
  • 66J  using 6K7G 6J8G 6B8G 6J7GT 6F6GT 5Y3G or U50.
  • 66A using 6K7G 6K8G 6B8G 6SJ7GT 6V6GT 6X5GT.
  • 66W using 6K7G 6U8G 6B8G 6SJ7 6V6GT 6X5GT.
  • 66R using 6U7G 6K8G 6B8G 6V7G 6V6GT 6X5GT.

  Other variations across the model variants included dial scales, tuning gangs, and coils. Refer to the schematic and service notes for further details.

• Price in first year of sale
• 35.00 NZ £

• Mentioned in
• More Golden Age of Radio (Page 116 (Model 66))

• 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