• Country
• Australia

• Manufacturer / Brand
• Gulbransen (brand); Sydney

• Year
• 1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 182785

• Number of Tubes
• 5

• Valves / Tubes
• 1N5G 1A7G 1N5G 1H5G 1Q5G

• Main principle
• Superhet with RF-stage; ZF/IF 252 kHz; 2 AF stage(s)

• Tuned circuits
• 7 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: 50P - Gulbransen brand; Sydney

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

• Notes
• This model uses the same chassis as the Breville model 257.

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

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

• Other Models

• Here you find 29 models, 8 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gulbransen (brand); Sydney