• Country
• New Zealand-Aotearoa

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

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 361886

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A7 6D6 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) / 50Hz, 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: 35 [Early Mantel Version] - Columbus Brand; Radio Centre

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

• Dimensions (WHD)
• 585 x 360 x 250 mm / 23 x 14.2 x 9.8 inch

• Notes

• Columbus 35 Mantel

  Columbus 35 Mantel dual wave superhet receiver. There were at least 2 dial styles over the life of this model. Round and a more square style with curved edges.

  Valves (5 + eye):

  • Early Version: 6A7, 6D6, 6B7, 42, 6E5, 80. 
  • Later Version: 6J8G, 6K7G, 6B8G, 6F6G, 6E5, 5Y3G. 

  See also: 

  • Later Mantel Version Columbus 35 
  • Early Tombstone Columbus 35
  • Later Tombstone Columbus 35 
  • Early Console Columbus 35.
  • Later Console Columbus 35.

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

• Other Models

• Here you find 173 models, 135 with images and 161 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington