• Country
• Australia

• Manufacturer / Brand
• Airzone (1931) Ltd.; Sydney

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 133025

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

• Number of Tubes
• 5

• Valves / Tubes
• 6F7 6D6 6C6 41 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 1 AF stage(s); Anode bend detection

• Tuned circuits
• 6 AM circuit(s)

• 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) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Midget 553 Ch= 504 - Airzone 1931 Ltd.; Sydney

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 11.5 x 7.5 x 7 inch / 292 x 191 x 178 mm

• Price in first year of sale
• 14.70 AUS £

• Source of data
• -- Schematic

• Literature/Schematics (1)
• Radio Review of Australia (June 1938, Page 179)

• Literature/Schematics (2)
• Radio Trade Annual of Australia (6th Edition 1938, Page 230.)

• Author
• Model page created by Peter Hughes. See "Data change" for further contributors.

• Other Models

• Here you find 283 models, 131 with images and 154 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Airzone (1931) Ltd.; Sydney