• Country
• Australia

• Manufacturer / Brand
• United Distributors Ltd. (Udisco); Sydney, NSW

• Year
• 1925 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 196751

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

• Number of Tubes
• 3

• Valves / Tubes
• CX301A CX301A CX301A

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries / 6 & 45 & 90 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: United Selective 3 - United Distributors Ltd.

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• The price below includes aerial, dry batteries and dry battery valves, and Atlas loudspeaker. The same radio but with accumulator equipment and valves was £28-10-0.

• Price in first year of sale
• 25.00 Aus£

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

• Other Models

• Here you find 41 models, 37 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from United Distributors Ltd. (Udisco); Sydney, NSW