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The pipe organ is a musical instrument that produces sound by driving pressurised air (called wind) through the organ pipes selected from a keyboard. Because each pipe produces a single pitch, the pipes are provided in sets called ranks, each of which has a common timbre, volume, and construction throughout the keyboard compass.
Electro-pneumatic action. The electro-pneumatic action is a control system by the mean of air pressure for pipe organs, whereby air pressure, controlled by an electric current and operated by the keys of an organ console, opens and closes valves within wind chests, allowing the pipes to speak. This system also allows the console to be ...
the control on an organ console that selects a particular sound; the row of organ pipes used to create a particular sound, more appropriately known as a rank; the sound itself; Organ stops are sorted into four major types: principal, string, reed, and flute. This is a sortable list of names that may be found associated with electronic and pipe ...
Organ console. The console of the Wanamaker Organ in the Macy's (formerly Wanamaker's) department store in Philadelphia, featuring six manuals and colour-coded stop tabs. The pipe organ is played from an area called the console or keydesk, which holds the manuals (keyboards), pedals, and stop controls. In electric-action organs, the console is ...
During this project, the organ's current console was constructed in Wanamaker's private in-house pipe-organ factory, with six manuals and several hundred controls. By 1930, when work on expanding the organ finally stopped, the organ had 28,482 pipes, and, if Rodman Wanamaker had not died in 1928, the organ would probably be even bigger. [9]
An organ that utilizes tubular-pneumatic action is commonly called a "tubular-pneumatic organ". It seems the first use of this action was in 1851, in Willis' Great Exhibition organ, though it was only very limited. It appears that the first organ using tubular-pneumatic action throughout was by T.C. Lewis at St Andrew's Hall, Glasgow, in 1877.
The first organ produced in the deeper Model B cabinet, to accommodate the chorus generator [7] B-A. 1938 [8] Model B-C style organ with built-in player organ mechanism [9] (possibly Duo-Art ), custom built by Aeolian-Skinner. [10] BV. 1946–1949 [6] Same as Model B-C but with the Hammond Vibrato and Vibrato Chorus.
Wikipedia talk:WikiProject PipeOrgan/Windchest designs. A windchest is a component of a pipe organ on which the pipes sit. As the organist plays the instrument, the keys, stops, and windchest work together as a mechanism (called an 'action') to direct pressurized air (called 'wind') into the pipes, thus creating sound.