• Country
• New Zealand-Aotearoa

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

• Year
• 1945

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 339390

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

• Number of Tubes
• 5

• Valves / Tubes
• 6K8G 6U7G 6Q7G 6V6GT 6X5GT

• Main principle
• Superheterodyne (common); ZF/IF 460 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 inch = 16.5 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Courier RB - Ultimate Brand, Radio Ltd. &

• Shape
• Tablemodel, with any shape - general.

• Notes

• 5-Valve superhet broadcast (MW) steel cabinet mantel model receiver. 

  Pressed steel cabinet in white with pinex backing. Also available in traditional wooden cabinet.

  Manufactured by Radio (1936) Ltd.

  See also Golden Knight RB, Skyscraper RB, Ultimate RB, Rolls RB, Lewis Eady RB & Madison RB.

• Price in first year of sale
• 24.25 NZ £

• Mentioned in
• More Golden Age of Radio (Page 133 (Rolls FA))

• Literature/Schematics (1)
• -- Original prospect or advert (Press 20 February 1946 Page 3)

• 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