• Country
• New Zealand-Aotearoa

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

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 341426

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

• Number of Tubes
• 6

• Valves / Tubes
• 6S7G 7S7 6S7G 7C6 6G6G 6X5GT

• Number of Transistors

• Semiconductors
• Vibrator

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 220-230: 6 Volt

• Loudspeaker
• Ø 6 inch = 15.2 cm

• Power out
• 0.75 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

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

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• 6-Valve superhet with RF stage broadcast (MW) portable vibrator receiver.

  Powered by 220-230 volt AC or 6 volt.

  Manufactured by Radio (1936) Ltd.

• Mentioned in
• -- Original prospect or advert (Nothern Advocate 19 February 1948 Page 6)

• Literature/Schematics (1)
• The Golden Age of Radio in the Home 1986 (Page 87)

• 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