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79; Ferris Bros. Pty Ltd (ID = 879668) Car Radio
79; Ferris Bros. Pty Ltd (ID = 879669) Car Radio
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79; Ferris Bros. Pty Ltd (ID = 879668) Car Radio
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  Australia
Manufacturer / Brand:  Ferris Bros. Pty Ltd.; Sydney
Year: 1945–1948 Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 6: 6SK7GT ECH35 6SK7GT 6SQ7GT 6H6GT 6V6GT
Main principle Superhet with RF-stage; ZF/IF 175 or 455 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
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)
Power out
from Model: 79 - Ferris Bros. Pty Ltd.; Sydney
Material Metal case
Notes Serial numbers below 3100 used 175 kHz I.F. Some early models used alternative valves to those shown. This model used a synchonous vibrator power supply.
Circuit diagram reference Australian Official Radio Service Manual Vol. VI
Literature/Schematics (1) Mingay's Radio Diagram & I.F. Index

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

All listed radios etc. from Ferris Bros. Pty Ltd.; Sydney
Here you find 125 models, 64 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.