• Country
• Australia

• Manufacturer / Brand
• Kriesler Radio Company; Newtown (Sydney)

• Year
• 1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 179212

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

• Number of Tubes
• 5

• Valves / Tubes
• 1R5 1T4 1S5 3V4 6V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 220; 240; 260 / 90 & 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Duplex 5 21-4 - Kriesler Radio Company;

• Shape
• Portable set > 8 inch (also usable without mains)

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

• Literature/Schematics (1)
• - - Manufacturers Literature (Kriesler Technical Service Instructions 21-4 Issue 1, 1954.)

• Literature/Schematics (2)
• -- Schematic (J.R. Publications Radio Service Handbook R.V. Series Vol. 1, 1963, Page K1.)

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

• Other Models

• Here you find 898 models, 445 with images and 436 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kriesler Radio Company; Newtown (Sydney)