• Country
• New Zealand-Aotearoa

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

• Year
• 1953/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 251909

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH21 6AR7GT EBL21 6X4

• Main principle
• Superheterodyne (common); ZF/IF 460 kHz; 1 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 5 inch = 12.7 cm

• Power out
• 3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Ultimate "Cygnet" RBZ - Ultimate Brand, Radio Ltd. &

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 12 x 7 x 6 inch / 305 x 178 x 152 mm

• Notes

• 4-Valve superhet broadcast (MW) mantel receiver available in ivory or walnut coloured plastic. Rola 5B PM speaker.

  See also previous Model RBG 1951 and following Model RCP 1955.

  Similar model Rolls RBZ

• Price in first year of sale
• 18.38 NZ £

• Author
• Model page created by Stuart Irwin. See "Data change" for further contributors.

• Other Models

• Here you find 137 models, 114 with images and 121 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