• Country
• New Zealand-Aotearoa

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

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 338314

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

• Number of Tubes
• 5

• Valves / Tubes
• 1N5GT 1A7GT 1N5GT 1H5GT 1C5GT

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 90 & 1.5 Volt

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Portable 301 - Columbus Brand; Radio Centre

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• 5-valve superhet with RF stage battery portable receiver.

  Batteries: No.482, 45V x2 & No.745, 1.5V. 

• Price in first year of sale
• 26.50 £

• Mentioned in
• More Golden Age of Radio (Page 118)

• Literature/Schematics (1)
• -- Original prospect or advert (Otago Daily Times 17 December 1947 Page 7)

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

• Other Models

• Here you find 162 models, 123 with images and 151 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington