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The main tube of a B ♭ tuba is approximately 18 feet (5.5 m) long, while that of a C tuba is 16 feet (4.9 m), of an E ♭ tuba 13 feet (4.0 m), and of an F tuba 12 feet (3.7 m). The instrument has a conical bore , meaning the bore diameter increases as a function of the tubing length from the mouthpiece to the bell.
The Eustachian tube (/ j uː ˈ s t eɪ ʃ ən /), also called the auditory tube or pharyngotympanic tube, [1] is a tube that links the nasopharynx to the middle ear, of which it is also a part. In adult humans, the Eustachian tube is approximately 35 mm (1.4 in) long and 3 mm (0.12 in) in diameter. [ 2 ]
Each fallopian tube leaves the uterus at an opening at the uterine horns known as the proximal tubal opening or proximal ostium. [9] The tubes have an average length of 10–14 centimeters (3.9–5.5 in) [4] that includes the intramural part of the tube. The tubes extend to near the ovaries where they open into the abdomen at the distal tubal ...
These terms stem from a comparison to organ pipes, which produce the same pitch as the pedal tone (fundamental) of a brass instrument of equal length. [3] Certain low brass instruments such as trombone, tuba, euphonium, and alto horn are whole-tube and can play the fundamental tone of each harmonic series with relative ease.
The Wagner tuba is a four-valve brass instrument commissioned by and named after Richard Wagner. It combines technical features of both standard tubas and French horns , [ 1 ] though despite its name, the Wagner tuba is more similar to the latter, and usually played by horn players.
The sousaphone (/ ˈ s uː z ə f oʊ n / SOO-zə-fohn) is a brass musical instrument in the tuba family. Created around 1893 by J. W. Pepper at the direction of American bandleader John Philip Sousa (after whom the instrument was then named), it was designed to be easier to play than the concert tuba while standing or marching, as well as to carry the sound of the instrument above the heads ...
The Wagner tuba is a rare brass instrument that is essentially a horn modified to have a larger bell throat and a vertical bell. ... The increased tube length of the ...
The tubax is a modified contrabass saxophone developed in 1999 by the German instrument maker Benedikt Eppelsheim.Although it has the same fingering as the saxophone, Eppelsheim's design reduces the amount of expansion of its conical bore in relation to the length of tubing, resulting in a smaller volume of resonant air column.