• Country
• New Zealand-Aotearoa

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 340129

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

• Number of Tubes
• 5

• Valves / Tubes
• 2A7 58 2A6 2A5 80

• Main principle
• Superheterodyne (common); 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)

• Material
• Wooden case

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

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 360 x 490 x 290 mm / 14.2 x 19.3 x 11.4 inch

• Notes

• 5-Valve superhet broadcast (MW) tombstone model receiver.

  The IF frequency in first issues of this model was 171 kc before changing to 175 kc.

  See also Rolls BBR, Golden Knight BBR, Courier BBC & Courier BBS. 

• 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