• Country
• Australia

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

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 197129

• Number of Tubes
• 4

• Valves / Tubes
• A425_UX A409_UX-4pin or A415_UX A409_UX-4pin A409_UX-4pin or B405_UX

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

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

• from Radiomuseum.org
• Model: Airzone Portable - Airzone 1931 Ltd.; Sydney

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

• Notes
• The price below includes valves, H.T. batteries and a 4 volt accumulator. This model was also available with all-dry batteries for £22/10/0.

• Net weight (2.2 lb = 1 kg)
• 27 lb 0 oz (27 lb) / 12.258 kg

• Price in first year of sale
• 24.00 Aus£

• Mentioned in
• -- Original prospect or advert (The Sun (NSW), 24 January 1928, page 7.)

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

• Other Models

• Here you find 283 models, 131 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