• Country
• New Zealand-Aotearoa

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

• Year
• 1957 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 333866

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

• Number of Transistors
• 7

• Semiconductors
• 2N412 2N410 2N410 2N408 2N408 2N270 2N270 OA150 OA150 OA150

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

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

• from Radiomuseum.org
• Model: 7 Transistor 117PZ - Columbus Brand; Radio Centre

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• Columbus portable 7 transistor radio.

  Available in several colours.

  Battery: Eveready 276P

• Mentioned in
• More Golden Age of Radio (Page 119.)

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Gary Cowans. 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