• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• National (Brand), Burns, John and Co., Ltd.; Auckland

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 354089

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

• Number of Tubes
• 4

• Valves / Tubes
• 6K8 6K7 6F6 80

• Main principle
• Superheterodyne (common); ZF/IF 460 kHz; 1 AF stage(s); Reflex

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 50Hz, 230 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: National 4-Valve Broadcast Chest CUU - National Brand, Burns, John

• Shape
• Tablemodel, with any shape - general.

• Notes

• NATIONAL 4-VALVE BROADCAST CHEST

  Features of this smart little model include exceptional clarity, power and tone; vertical slide rule dial with station calls of all New Zealand and main Australian stations -clearly marked, and 6-inch Speaker.

  £12/10/- Cash

   Manufactured by Radio (1936) Ltd for John Burns & Co. Ltd.

• Price in first year of sale
• 12.50 NZ £

• Mentioned in
• -- Original prospect or advert (New Zealand Herald 27 July 1939 Page 18)

• Author
• Model page created by Brian Stevens. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 16 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National (Brand), Burns, John and Co., Ltd.; Auckland