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Audio and Visual Equipment > Radios

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Airzone radio model 5057, 1938
This image is not currently available as a higher resolution full colour zoom. This may be because this object has not been moved from storage and re-photographed in recent times.
Images: 01 02

Object statement
Radio receiver and documents, Airzone model 5057 'Symphony Leader', Bakelite / glass / metal / electronic components / paper, designed and manufactured by Airzone Ltd, Camperdown, New South Wales, Australia, 1938
The Airzone 5057 was used in the donor's dining room and took pride of place high on a shelf above his many trophies for photography. Stored in the back of the radio were circuit diagrams detailing circuit replacements and repairs made in 1975 and 1981 demonstrating how the radio was maintained in a premium working condition throughout the donor's lifetime.

The 'Symphony Leader' is the largest Bakelite mantle radio designed and manufactured by the Airzone company. The tombstone cabinet shape for this radio was a popular form of radio cabinet design prior to the Second World War. Pre-war sets of this shape and condition are rare and highly sought after by collectors. The illuminated dial changes colour from amber to green as switched between AM and Shortwave.
The radio receiver was made by Airzone Ltd. In 1925 Airzone commenced manufacturing crystal sets. The company, like many other Australian electrical consumer item manufacturers, prospered after the introduction of tariffs in 1930. Airzone manufactured radios for other brands including Mullard, Malvern Star & Peal. By the late 1930s the company had become one of Australia's leading radio manufacturers. Airzone was originally located in Dalley Street, Sydney and later at 168-170 Parramatta Road, Auburn, Sydney and Camperdown, New South Wales.
The Airzone 5057 was found in the donor's dining room and took pride of place high on a shelf above his many trophies for photography. It has many circuit diagrams and notes regarding its operation over the years. This radio was most likely collected between the late 1940s and the late 1960s as a trade in while the donor was an active radio electronic engineer operating a business from home building and repairing radios. The donor accumulated a collection of radios, valves, radio journals and assorted electrical engineering material over a lifetime.

The circuit diagrams stored in the back of the radio by the donor (David Hain) show circuit replacements and repairs made in 1975 and 1981.

 This text content licensed under CC BY-NC.

Description
Radio receiver and documents, Airzone model 5057 'Symphony Leader', Bakelite / glass / metal / electronic components / paper, designed and manufactured by Airzone Ltd, Camperdown, New South Wales, Australia, 1938

The Airzone radio cabinet is a brown Bakelite 'tombstone' form with large circular frequency dial and four black knobs below. The speaker grill has three segments, they are outlined with white Plaskon urea-formaldehyde fittings. Brown and white speckled fabric covers the speaker. Chassis # 537.

There are circuit diagrams (3 sets, 6 pages) noting circuit changes and repairs over the years. Two of the diagrams date from 3-1-75 & 6-4-81. The other has no date.

There are two used valves wrapped in plastic also stored in the back of the radio receiver.
Made: Airzone Ltd; Auburn, New South Wales; 1938
2007/17/1
Production date
1938

 This text content licensed under CC BY-SA.
Acquisition credit line
Gift of David W. Hain, 2007
Subjects
+ Recreation
+ Communication
+ Art Deco
+ Entertainment
+ Communications technology
Short persistent URL
Concise link back to this object: http://from.ph/362118
Cite this object in Wikipedia
Copy and paste this wiki-markup:

{{cite web |url=http://from.ph/362118 |title=Airzone radio model 5057 |author=Powerhouse Museum |accessdate=16 September 2014 |publisher=Powerhouse Museum, Australia}}


Copyright
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