• Country
• Australia

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

• Year
• 1949

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 188965

• Number of Tubes
• 6

• Valves / Tubes
• 6BA6 6BE6 6BA6 6AV6 6V6GT 6X5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Radiola 903A [6 volt.] - Amalgamated Wireless

• Notes
• The receiver unit and power supply unit are separate. The speaker is built into the power supply unit. This radio uses a non-synchronous vibrator power unit and has a tone control.

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

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

• Other Models

• Here you find 1430 models, 873 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