• Country
• Australia

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

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 109186

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A8G 6K7 6Q7 6F6G 5Y3G or 5Z4

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• 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) / Ø 6 inch = 15.2 cm

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 554 Ch= 511M - Airzone 1931 Ltd.; Sydney

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 300 x 390 x 190 mm / 11.8 x 15.4 x 7.5 inch

• Notes

• First Australian Radio with all metal valves.

  Also uses an "iron cored" first IF transformer.

  See notes from radio Trade Annual 1938, Page 231 on instability.

• Price in first year of sale
• 16.80 AUS £

• Circuit diagram reference
• Australian Official Radio Service Manual Vol. I

• Literature/Schematics (1)
• Radio Trade Annual of Australia (6th Edition 1938, Page 231.)

• Literature/Schematics (2)
• Radio Review of Australia (March 1938, Page 78.)

• Literature/Schematics (3)
• Australian Official Radio Service Manual AORSM (Volume 1, 1938, Page 18.)

Airzone Model 554

105 KB

• Documents regarding this model

• Author
• Model page created by Peter Hughes. See "Data change" for further contributors.

• Other Models

• Here you find 283 models, 130 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