• Country
• New Zealand-Aotearoa

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

• Year
• 1947 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 338611

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

• Number of Tubes
• 6

• Valves / Tubes
• 1D5GP 1C7 1D5GP 1F6 1H4 19

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Material
• Wooden case

• from Radiomuseum.org
• Model: 70M - Columbus Brand; Radio Centre

• Shape
• Tablemodel, with any shape - general.

• Notes

• 6-Valve superhet with RF stage DW receiver table receiver.

  6-volt Type V9 Vibrator version of Model 66. Also available in a console cabinet.

  There are at least 7 known variants with valve lineups as follows:

  • 70L; 1D5GP 1C7 1D5GP 1K7 1K5 1J6
  • 70M; 1D5GP 1C7 1D5GP 1F6 1H4 19
  • 70P; 1A6 1C6 1A4 1F6 30 19
  • 70R; 1D5GP 1C7 1D5GP 1F7 1H4 1J6
  • 70S; 1A4 1C6 1A4 1K6 1K4 19
  • 70T; 1K5 1C7 1K5 1K7 1K5 1J6
  • 70W; 1D5GP 1C7 1D5GP 1F7 1H4 1J6

  Manufactured by Radio Corporation Of New Zealand Ltd for Columbus Radio Centre Ltd.

• Mentioned in
• -- Original prospect or advert (Wanganui Chronicle 26 October 1946 Page 8)

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

• Other Models

• Here you find 164 models, 125 with images and 153 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington