• Country
• Australia

• Manufacturer / Brand
• Air-Master, Airmaster (Brands): various manufacturers & dealers

• Year
• 1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 196775

• Number of Tubes
• 7

• Valves / Tubes
• E452T E409 E445 E452T E443N E443N 280

• Main principle
• Superheterodyne (common); 1 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 210; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Air-Master 7 valve superhet Unk. 7 V AC - Air-Master, Airmaster Brands:

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• Separate oscillator and mixer, leaky grid second detector transformer coupled to push pull output. Concentric tuning and volume controls.

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

• Other Models

• Here you find 32 models, 15 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Air-Master, Airmaster (Brands): various manufacturers & dealers