• Country
• New Zealand-Aotearoa

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

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 348547

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) / 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 Tombstone Version] - Columbus Brand; Radio Centre

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 380 x 510 x 270 mm / 15 x 20.1 x 10.6 inch

• Notes

• Columbus 35 Tomstone (Early Version) dual wave console receiver. There were at least 2 dial styles over the life of this model. Round and a more square style with curved edges. 

  Valve lineups:

  • First version- 6A7 6D6 6B7 42 6E5 80.
  • Second version- 6J8G 6K7G 6B8G 6F6G 6G5 5Y3G

  See also: 

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

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

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

• Other Models

• Here you find 173 models, 134 with images and 160 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington