• Country
• Australia

• Manufacturer / Brand
• Ferris Bros. Pty Ltd.; Sydney

• Year
• 1952

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 192385

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

• Number of Tubes
• 5

• Valves / Tubes
• 6BH5 6AN7 6AD8 6M5 6V4

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 230-250 or 12 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: 90 [12 volt.] - Ferris Bros. Pty Ltd.; Sydney

• Notes
• This model was a detachable car radio. It could be unplugged and slid out of its position under the dash board and used as a mains powered mantel radio. When used as a car radio, a non-synchronous vibrator is used. The 6AD8 is reflexed as the I.F. amplifier and the first A.F. amplifier.

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

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

• Other Models

• Here you find 143 models, 86 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ferris Bros. Pty Ltd.; Sydney