• Country
• Australia

• Manufacturer / Brand
• Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney

• Year
• 1949/1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 188923

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 / 2 x 45; 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Radiola 521M - Amalgamated Wireless

• Shape
• Tablemodel, with any shape - general.

• Notes

• This model uses the same cabinet design as models 520M & 520MY.

• Price in first year of sale
• 19.95 AUS £

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

• Literature/Schematics (1)
• Australian Official Radio Service Manual AORSM (Volume 8, 1950, Page 78.)

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

• Other Models

• Here you find 1428 models, 871 with images and 463 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney