- Country
 - Australia
 
- Manufacturer / Brand
 - Briton Electrical & Radio Pty. Ltd ("Rational Radio"); Sydney, NSW.
 
- Year
 - 1939
 
- Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 146041
 
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
 - 4
 
- Main principle
 - Superheterodyne (common); ZF/IF 472,5 kHz; 2 AF stage(s)
 
- Tuned circuits
 - 6 AM circuit(s)
 
- Wave bands
 - Broadcast and Short Wave (SW).
 
- Power type and voltage
 - Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
 
- Loudspeaker
 - Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
 
- from Radiomuseum.org
 - Model: B440 - Briton Electrical & Radio Pty.
 
- Shape
 - Tablemodel, with any shape - general.
 
- Notes
 - Farm radio. Power supply unit: B30.
 
- Source of data
 - -- Schematic
 
- Circuit diagram reference
 - Australian Official Radio Service Manual Vol. III
 
- Literature/Schematics (1)
 - Mingay's Radio Diagram & I.F. Index
 
- Author
 - Model page created by Antonio Martins-Pais. See "Data change" for further contributors.
 
- Other Models
 - 
        
Here you find 82 models, 18 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.