• Country
• Australia

• Manufacturer / Brand
• Malvern Star (brand), Sydney

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 188038

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1S5 3V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 90 & 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

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

• from Radiomuseum.org
• Model: MS457B - Malvern Star brand, Sydney

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

• Notes
• This model is similar to the Airzone model 457B.

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

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

• Other Models

• Here you find 10 models, 4 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Malvern Star (brand), Sydney