• Country
• Australia

• Manufacturer / Brand
• Airzone (1931) Ltd.; Sydney

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 164089

• Number of Tubes
• 5

• Valves / Tubes
• 58 58 57 59 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s); Anode bend detection

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 404 Ch= 410 - Airzone 1931 Ltd.; Sydney

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes

• Advertised in the Advert (uploaded) from the Radio Trade Annual 1933, page 104 for  £17/19/6.

• Price in first year of sale
• 17.95 AUS £

• Mentioned in
• The Golden Age of Radio in the Home 1986 (Advert with picture P148.)

• Literature/Schematics (1)
• Radio Trade Annual of Australia (Radio Trade Annual 1933, page 104)

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

• Other Models

• Here you find 283 models, 134 with images and 154 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Airzone (1931) Ltd.; Sydney