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The console
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The organ at St. James's Church is a three manual
and pedal organ. It is situated in the
chancel and contains hundreds of pipes of different sizes. When
the organist plays a note on the keyboard, pressurised air travels by
means of bellows to a particular pipe. The air vibrates in the pipe,
making a sound that may be anything from a high-pitched whistle to a
deep, low-pitched note, depending on the size of the pipe - the largest
pipe producing the lowest note, and so on. Each organ pipe produces
a single pitch so the pipes are arranged in sets called ranks, each
of which has a common timbre and volume throughout the keyboard range.
Most organs have multiple ranks of pipes of differing timbre, pitch
and loudness that the player can employ singly or in combination through
the use of controls called 'stops'.
The 'stops' beside the keyboards control the varieties of tone so that
the organ may imitate various musical instruments, both wind and string.
The stops have names, like 'diapason', 'vox humana', 'flute', 'celeste'.
The organist uses his hands on the three keyboards, called manuals,
and his feet on the pedalboard beneath the keyboard, each of which has
its own group of 'stops'. The organ's continuous supply of wind allows
it to sustain notes for as long as the corresponding keys are depressed,
unlike the piano and harpsichord, the sounds of which begin to decay
the longer the keys are held. The smallest portable pipe organs may
have only one or two dozen pipes and one manual; the largest may have
over 20,000 pipes and seven manuals.
There is a brass plaque on the top of the organ console with the inscription
"This organ was reconstructed in 1951
in thanksgiving for the life of Elizabeth Ellen Gorst who died 14th
September 1950." A second plaque has the inscription "This
organ was rebuilt and extended in 1997 by John Males of Eastbourne.
Organist Geoffrey Bower F.R.C.O. M. Mus."
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