• Country
• Australia

• Manufacturer / Brand
• Mullard Radio Company (Australia) Ltd.; Sydney

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 164396

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

• Number of Tubes
• 4

• Valves / Tubes
• 6A7 6F7 42 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)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Master 40 Ch= 402 - Mullard Radio Company

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 265 x 360 x 190 mm / 10.4 x 14.2 x 7.5 inch

• Notes
• Same chassis as Airzone model 452.

• Price in first year of sale
• 13.00 Aus£

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

• Literature/Schematics (1)
• Radio Trade Annual of Australia (1939 page 194.)

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

• Other Models

• Here you find 125 models, 55 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mullard Radio Company (Australia) Ltd.; Sydney