• Country
• New Zealand-Aotearoa

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 339168

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

• Number of Tubes
• 6

• Valves / Tubes
• 58 2A7 58 2B7 2A5 80

• Main principle
• Superhet with RF-stage; 2 AF stage(s)

• Tuned circuits
• 7 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 621 Ch=LN - Ultimate Brand, Radio Ltd. &

• Shape
• Tablemodel, with any shape - general.

• Notes

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

  See also console Model 623.

• Price in first year of sale
• 21.00 NZ £

• Mentioned in
• More Golden Age of Radio (Page 130)

• Author
• Model page created by Brian Stevens. 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