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90 6 volt.

90; Ferris Bros. Pty Ltd (ID = 2001247) Car Radio
90; Ferris Bros. Pty Ltd (ID = 2180262) Car Radio
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90; Ferris Bros. Pty Ltd (ID = 2180262) Car Radio
Ferris Bros. Pty Ltd: 90 [Car Radio] ID = 2180262 776x615
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For model 90 6 volt., Ferris Bros. Pty Ltd.; Sydney:
Advert with a description.
Country:  Australia
Manufacturer / Brand:  Ferris Bros. Pty Ltd.; Sydney
Year: 1952 Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 5: 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 6 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: 90 [6 volt.] - Ferris Bros. Pty Ltd.; Sydney
Material Metal case
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

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, 65 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.