• Country
• Australia

• Manufacturer / Brand
• Briton Electrical & Radio Pty. Ltd ("Rational Radio"); Sydney, NSW.

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 163450

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

• Number of Tubes
• 7

• Valves / Tubes
• EK2 EF5 EB4 EBC3 6E5 EL3 1561

• Main principle
• Superheterodyne (common); ZF/IF 462.5 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 3 [1561 rectifier] - Briton Electrical & Radio Pty.

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

• Notes
• There are also model variants employing an EZ3 or a AZ3 repectively for the rectifier. That implies different sockets and/or a different heater winding at the mains transformer.

• Price in first year of sale
• 26.00 Aus£

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

• Literature/Schematics (1)
• Radio Trade Annual of Australia (1939 Page 219)

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

• Other Models

• Here you find 82 models, 13 with images and 53 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Briton Electrical & Radio Pty. Ltd ("Rational Radio"); Sydney, NSW.