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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.
Tracker action is a term used in reference to pipe organs and steam calliopes to indicate a mechanical linkage between keys or pedals pressed by the organist and the valve that allows air to flow into pipe (s) of the corresponding note. This is in contrast to "direct electric action" and "electro-pneumatic action", which connect the key to the ...
The main section of the Hazel Wright Organ, in Crystal Cathedral, prior to restoration and refurbishment in Christ Cathedral. The Hazel Wright Organ is an American pipe organ located in Christ Cathedral in Garden Grove, California. It is one of the world's largest pipe organs. As of 2019, it has 293 ranks and 17,106 pipes, fully playable from ...
The Grand Organ (described by its builder as The Voice of Jupiter) situated in the Royal Albert Hall in London is the second largest pipe organ in the United Kingdom, after the Liverpool Cathedral Grand Organ. It was originally built by Henry "Father" Willis and most recently rebuilt by Mander Organs. It has 147 stops [1] and, since the 2004 ...
The organ's wind supply is the most powerful ever used in a pipe organ. The DC motors for the original eight blowers had a total power of 394 horsepower (294 kW). These were replaced with AC motors in the early 1990s, which have a total of 600 horsepower (450 kW) and their seven blowers pump 36,400 cubic feet (1,030 m 3) of wind per minute. The ...
Store architect Daniel Hudson Burnham designed the organ casework. [ 1 ][ 2 ] The Wanamaker Grand Court Organ, located in Philadelphia, Pennsylvania, is the largest fully functioning pipe organ in the world, based on the number of playing pipes, the number of ranks and its weight. The Wanamaker Organ is located within a spacious 7-story Grand ...
An organ pipe is a sound-producing element of the pipe organ that resonates at a specific pitch when pressurized air (commonly referred to as wind) is driven through it. Each pipe is tuned to a note of the musical scale. A set of organ pipes of similar timbre comprising the complete scale is known as a rank; one or more ranks constitutes a stop.
An organ stop is a component of a pipe organ that admits pressurized air (known as wind) to a set of organ pipes. Its name comes from the fact that stops can be used selectively by the organist; each can be "on" (admitting the passage of air to certain pipes), or "off" (stopping the passage of air to certain pipes).