• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• Courtenay (Brand); Various manufacturers

• Year
• 1941 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 358355

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

• Number of Tubes
• 7

• Valves / Tubes
• KTW61 X65 6K7G 6B8G Y63 6F6G U50

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 50Hz, 230 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super De Luxe 75 - Courtenay Brand; Various

• Shape
• Console with any shape - in general

• Notes

• Courtenay 75 Super De Luxe Console

  5 band superhet with RF stage console model receiver with full bandspread calibrated shortwave tuning.

  • 550 - 1.600 kHz broadcast
  • 17.540 - 18.440 kHz 16 metre band
  • 15.060 - 15.520 kHz 19 metre band
  • 11.400 - 12.120 kHz 25 metre band
  • 9.460 - 9.820 kHz 31 metre band

  60 W power consumption.

  7-Valve (including magic eye) superhet with RF stage.

  The original valve line up was changed within a few months and then changed again the following year (1941). The valve line ups used were:

  • 6K7G 6K8G 6K7G 6B8G 6U5 6F6G 5Z4G. 
  • KTW61 X65 6K7G 6B8G Y63 6F6G U50.  
  • KTW61 X65 6B8G 6J7 Y63 6F6G U50.

  The Courtenay 75 and Columbus 75 are believed to be the first domestic bandspread receivers in the world after the RCA HF2/HF4.

  See also Courtenay Super Defiant Ch=75A mantel and Columbus 75.

  Manufactured by Radio Corporation Of New Zealand Ltd for Turnbull & Jones Ltd.

• Mentioned in
• -- Original prospect or advert (Wanganui Chronicle 4 April 1941 Page 3)

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

• Other Models

• Here you find 68 models, 54 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Courtenay (Brand); Various manufacturers