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Home > Music > Organs > Æolian > Console
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This console has four keyboards and a pedal board. The keyboards are,
from top to bottom, for the Solo, Swell, Great, and Choir organs. The
stops are located in vertical groups at each end of the keyboards.
Pulling out a stop causes a single sound to be heard when a note is
played.
The back panel of the console has been removed in order to obtain
this view. The two rows of black devices near the top, just below
the music desk, are magnets related to the coupler tablets. A
coupler allows an organist to play with more than one division
at the same time.
This view is of the magnets controlling the pneumatics behind the
stop knobs. The back of the console is still off in this view.
The stop knobs can be pulled or pushed by the organist. They also
move in and out in response to pressing a piston. The piston
activates the combination action that remembers combinations of
stops, to restore them when the organist does not have time. Thus,
each stop knob must have a small pneumatic motor. We will see the
combination action when we go down to the blower room.
When a note is pressed, an electrical signal is transmitted to
this relay box, which is located in the choir.
This is the combination action, which "remembers" combinations of
stops. It is located in the basement, along with the blowers. The
organist can set up combinations of stops, and then restore those
combinations with the press of a single button (called a piston).
This mechanism allows the organist to quickly perform complex stop
changes.
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