• Country
• Australia

• Manufacturer / Brand
• Zenith Radio Co. Ltd.; Sydney, NSW

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 187692

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

• Number of Tubes
• 5

• Valves / Tubes
• 1T4 1R5 1T4 1S5 3V4 or 3S4

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 90 & 1.5 & 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: Calstan 524 - Zenith Radio Co. Ltd.; Sydney,

• Shape
• Tablemodel, with any shape - general.

• Notes
• Only the first 50 of this model used a 3S4. The 3 volt battery is only for the dial lights.

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

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

• Other Models

• Here you find 84 models, 38 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Co. Ltd.; Sydney, NSW