• 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
• 256692

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

• Number of Tubes
• 5

• Valves / Tubes
• 7A8 7A7 7C6 7C5 5Y3GT

• Main principle
• Superheterodyne (common); ZF/IF 470 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 14 cm = 5.5 inch

• Material
• Bakelite case

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

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 410 x 290 x 200 mm / 16.1 x 11.4 x 7.9 inch

• Notes

• The moulded cabinet was the largest made in New Zealand at the time.

  Believed to be Ultimate's first bakelite cabinet. 

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Mentioned in
• The Golden Age of Radio in the Home 1986 (P73.)

• Author
• Model page created by Rolf Beckers. See "Data change" for further contributors.

• Other Models

• Here you find 133 models, 110 with images and 117 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