• Country
• Australia

• Manufacturer / Brand
• Wireless Shop, The, (Volmax); Sydney

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 311726

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: The Porto - Wireless Shop, The, Volmax;

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

• Dimensions (WHD)
• 10.5 x 14 x 7 inch / 267 x 356 x 178 mm

• Notes

• 3 Valve TRF, battery powered, portable receiver.

• Net weight (2.2 lb = 1 kg)
• 19.5 lb (19 lb 8 oz) / 8.853 kg

• Price in first year of sale
• 8.75 AUS £

• Mentioned in
• Wireless Weekly (Australia) (Dec 11, 1931, page 54.)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Shop, The, (Volmax); Sydney