• Country
• Australia

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

• Year
• 1939 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 331997

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

• Number of Tubes
• 5

• Valves / Tubes
• EK2 CF2 CBC1 CL2 CY2 C1

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 200-250 Volt Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Symphony Leader Ch= 549 - Airzone 1931 Ltd.; Sydney

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

• Notes

• 6 valve, universally powered superhet.

  The illuminated dial changes colour from amber to green when switched between AM and Shortwave.

  The power was applied to the radio through a plug mounted on the rear left hand side of the radio cabinet. The plug had to be removed before removing the rear cover.

  Chassis also used in Model 5069.

• Mentioned in
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Australian Official Radio Service Manual AORSM (Vol 4, 1941, Page 26.)

• Author
• Model page created by Gary Cowans. 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