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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.
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 stops. Countless stops have been designed over the ...
Such "helper ranks" that sound at the fifth just above or fourth below the fundamental (e.g., Bourdon 16′), can create the impression of a stop an octave lower than the fundamental (e.g., Bourdon 32′), saving the space and money otherwise needed for larger bass pipes; such an effect is termed a resultant. This is a list of some mutation stops.
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.
Its 88-rank String Organ is the largest division in any pipe organ in the largest single organ chamber. Its Pedal Organ of 75 ranks (supplemented by additional borrowed ranks) is the largest Pedal department of any instrument, possessing unsurpassed richness of tone with the capacity for subtle bass gradation in volume and complete separateness ...
The pitch of a rank of pipes is denoted by a number on the stop knob. A stop that speaks at unison pitch (the "native pitch" for that note; the pitch you would hear if you pressed that same key on a piano) is known as an 8′ (pronounced "eight foot") stop. This nomenclature refers to the approximate length of the longest pipe in that rank.
(Philadelphia's twice-expanded Wanamaker Organ has fewer pipes but more pipe ranks, and is fully operational.) Guinness also recognized the Grand Ophicleide in the Pedal Right division to be the loudest organ stop in the world (until it was surpassed by the Vox Maris , a 1-rank outdoor instrument that relies on compressed air, built for South ...
A mixture is an organ stop, usually of principal tone quality, that contains multiple ranks of pipes including at least one mutation stop.It is designed to be drawn with a combination of stops that forms a complete chorus, for example, principals of 8 foot (8 ′), 4 ′, and 2 ′ pitches.