• Country
• Australia

• Manufacturer / Brand
• Hydro Press Co. Pty Ltd (Hypresco); Melbourne

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 301945

• Number of Tubes
• 4

• Valves / Tubes

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Hypresco Wonder 4 - Hydro Press Co. Pty Ltd

• Notes

• Type of cabinet unknown.

• Price in first year of sale
• 22.50 AUS £

• Mentioned in
• Weekly Times, Aug 12,, 1933, page 6.

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

• Other Models

• Here you find 6 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hydro Press Co. Pty Ltd (Hypresco); Melbourne