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The motor and speed change control The amplifier compartment

The amplifier design is a bit of a mystery for a produced a “Super” version of the VOX,
French built machine. It used American metal which incorporated a 400 watt lamp and a
envelope octal (8 pin) valves of the type more powerful amplifier, and was heavier
commonly used in American war-time defense again.
equipment. The output stage was a pair of 6F6
valves operating in push pull with a stated The gate incorporated a slider to mask off the
output of 2 watts. sound track when screening sound films, this
resulted in an almost square image on the
Speed change (16 or 24 fps) was accomplished screen.
by changing a gear at the rear of the machine,
the motor being a constant speed synchronous Although the Pathé VOX went into production
type. in 1937 in France, World War 2 intervened
and production of these machines ceased in
This is no light weight machine; the base and 1940. They were not manufactured after the
mechanism are solid castings. The whole war, being superceded by the much superior
machine weighs in at almost 25 kg. Pathé also PAX and the dreadful SON.

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