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For those pipes the pitch is a function of its length, the wavelength of the sound produced by an open pipe being approximately twice its length. A pipe half the length of another will sound one octave higher. If the longest pipe, C, is 8 feet (2.4 m) in length, the pipe one octave higher will be 4 feet (1.2 m) long, and two octaves above ...
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.
Organ flue pipe scaling. Scaling is the ratio of an organ pipe 's diameter to its length. The scaling of a pipe is a major influence on its timbre. Reed pipes are scaled according to different formulas than for flue pipes. In general, the larger the diameter of a given pipe at a given pitch, the fuller and more fundamental the sound becomes.
Pipe organ tuning. This article describes the process and techniques involved in the tuning of a pipe organ. Electronic organs typically do not require tuning. A pipe organ produces sound via hundreds or thousands of organ pipes, each of which produces a single pitch and timbre. The goal of tuning a pipe organ is to adjust the pitch of each ...
The pitch produced by an organ pipe is a function of its length. All else equal, longer pipes produce lower-pitched notes, and shorter pipes are higher in pitch. An organ stop uses a set (rank) of pipes of graduated lengths to produce the range of notes needed. Stops with pipes tuned to sound the pitch normally associated with the keys (i.e ...
Despite its then-unprecedented size (more than 10,000 pipes), it was judged inadequate to fill the seven-story Grand Court in which it was located, so Wanamaker's opened a private organ factory in the store attic, which was charged with enlarging the organ. The first project to enlarge the organ was the addition of 8,000 pipes between 1911 and ...
A flue pipe (also referred to as a labial pipe) is an organ pipe that produces sound through the vibration of air molecules, in the same manner as a recorder or a whistle, in a pipe organ. Air under pressure (called wind) is driven through a flue and against a sharp lip called a labium, causing the column of air in the pipe to resonate at a ...
The largest pipes are made of wood and are about two feet square and 32 feet tall. The smallest pipes are the size of a slender drinking straw. Several of the larger metal pipes are placed in the organ's case to form a visual display, or façade. They are made from an alloy of highly polished tin.