Technique Theatreorgan pt 3

Technique behind the Theatre Organ part 3

Overview in a theatre or cinema.
Below you can see the setup in a theatre as it was (and as it still occurs today).

The console was originally set up so that the organist could see the screen. In many cinemas the console was not on the stage but beneath it on a lift. In the Asta theatre, the organ would rise up slowly in a twisting motion!

The illustration shows the organ positioned above the stalls. There are also many cinemas where the actual organ is set up below (as in Amsterdam’s Tuschinski theatre) or on either side of the stage floor. It is this technique that plays a hugely important, indispensable and sometimes literal link between what the organist plays and what the audience hears.

 

Technique Theatreorgan pt 2


Technique behind the Theatre Organ part 2


Simplified description of the electro-pneumatic control/activation of the pipes (and other devices) in a theatre organ.

It should be remembered that these type of organs were mostly built early in the previous century at a time when electricity had just started to come into use (e.g. the telephone, trams and electric lighting). If people agreed to be connected up, a few lamps could even be supplied for free! Small motors and household electrical appliances had yet to be invented.
Organs had been around for a very long time, mainly for the ecclesiastical accompaniment of singing, insofar as that task was not reserved for a cantor.
Supplying the old organs with air using bellows and organ blowers was seen as a profession. The pipes were controlled mechanically from the keyboard using a wooden pull, push, or tilt movement to the air supply valves of the organ pipes.

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