• Country
• Australia

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 164090

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

• Number of Tubes
• 5

• Valves / Tubes
• 57 58 57 59 or 2A5 80

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 1 AF stage(s); Anode bend detection

• Tuned circuits
• 6 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: 501 Ch= 505 - Airzone 1931 Ltd.; Sydney

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Notes

• Advert (uploaded) from the Radio Trade Annual 1933, page 104 contradicts the valve line up on the schematic. Advert states; 57, 2 by 58's 59 & 80.

• Price in first year of sale
• 20.00 Aus£

• Mentioned in
• Radio Trade Annual of Australia (Radio Trade Annual 1933, Page 104)

• Literature/Schematics (1)
• Radio & Elecrical Merchant 14/6/35 P18

• 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