• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• Ultimate (Brand), Radio Ltd. & Radio (1936) Ltd.; Auckland

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 356115

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

• Number of Tubes
• 7

• Valves / Tubes
• 7A7 7A8 7A7 7C6 6U5 7C5 5Y3

• Main principle
• Superhet with RF-stage; ZF/IF 460 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus more than 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 12 inch = 30.5 cm

• Power out
• 4.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ultimate RO [Console] - Ultimate Brand, Radio Ltd. &

• Shape
• Console with any shape - in general

• Notes

• Ultimate RO Console

  7-valve (including magic eye) superhet with RF stage 5 band console receiver.

  See also mantel versions Ultimate RO Classic Cabinet and Ultimate RO Modern Cabinet. 

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

• Other Models

• Here you find 153 models, 128 with images and 133 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ultimate (Brand), Radio Ltd. & Radio (1936) Ltd.; Auckland