• Country
• Australia

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 115414

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 42 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• 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 6 inch = 15.2 cm

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Master 50 Ch= 520 - Mullard Radio Company

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

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

• Price in first year of sale
• 16.00 Aus£

• Source of data
• - - Data from my own collection

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

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

• Other Models

• Here you find 125 models, 56 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mullard Radio Company (Australia) Ltd.; Sydney