• Country
• New Zealand-Aotearoa

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

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 328141

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

• Number of Tubes
• 5

• Valves / Tubes
• 6K8 6K7 6B8 6K6 6X5

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Gainsborough 14A - Columbus Brand; Radio Centre

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

• Dimensions (WHD)
• 14 x 8.5 x 7 inch / 356 x 216 x 178 mm

• Notes

• Although the tecnical information for this set specifies that metal valves are used, it is likely that GT equivalents were also used, as found in examples sighted.

  A 3-gand Plessey tuning capacitor is used, but only two of the sections are utilized. 

  See also Model 14 Raeburn, Model Raeburn 14A, and later Model 14R Raeburn with same chassis and different cabinet.

• Price in first year of sale
• 22.00 NZ£

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

• Other Models

• Here you find 169 models, 131 with images and 157 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington