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A comprehensive dictionary of organ stops - Allen Organ Studio of ...

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1 66 DICTIONARY OF ORGAN STOPS.<br />

1 2 in. wind, Weigle) are to be found <strong>stops</strong>, the treble pipes <strong>of</strong> which are<br />

<strong>of</strong> triple length. The Tuba is sometimes enclosed in a swell box. In a<br />

non-resonant building there is no doubt but that the practice is conducive<br />

to greater efficiency. There are good instances <strong>of</strong> enclosed Tubas at<br />

St. Alban, Holborn (Willis) ; Burton Parish Church (Norman & Beard).<br />

The pipes <strong>of</strong> the Tuba are <strong>of</strong> inverted conical shape, those in the top<br />

octave being occasionally surmounted by a bell. The pipes are now <strong>of</strong>ten<br />

made <strong>of</strong> the thick, "special," unplaned metal referred to under Diapason.<br />

Tuba<br />

(treble pipe).<br />

In Germany the name Tuba is given<br />

to a powerful Trumpet as well as to <strong>stops</strong><br />

voiced after the Willis pattern (as by<br />

Stahlhuth, Weigle and a few others). It<br />

is now generally admitted that Tubas<br />

should dominate the <strong>organ</strong>, after the<br />

analogy <strong>of</strong> the orchestral " brass.'' Those<br />

acquainted with the imposing effect <strong>of</strong><br />

the large Willis Tuba, with Double Tuba<br />

and Tuba Clarion (harmonic, <strong>of</strong> course)<br />

used in full <strong>organ</strong>, will notice the brilliancy<br />

imparted by the Tuba Clarion, the perfect<br />

finish and balance it adds to the ensemble.<br />

When both cannot be afforded, the Double<br />

Tuba is, <strong>of</strong> course, preferable to the Tuba<br />

Clarion. See Double-tongued Reed,<br />

Tuba Minor, Tuba Sonora, and illustra-<br />

tions under Reed. Scale.—The following<br />

are the measurements <strong>of</strong> the Tuba Mirabilis<br />

at Norwich Cathedral (Norman &<br />

Beard):— CC, 7 in.; T. C, in. ; 6f Top<br />

C., 4^ in. From tenor C to F sharp (31<br />

notes above) the pipes are <strong>of</strong> double<br />

length. From G to top C the tubes are ixjXn.<br />

<strong>of</strong> triple length— in <strong>organ</strong>- building phrase- (top octave).<br />

ology "an octave and a fifth longer" than<br />

the note they give.<br />

Tuba Clarion—4 ft. An octave Tuba (g.v.).<br />

TUBA MAGNA—(Lat.) Magnus = great. See Tuba Major.<br />

TUBA MAJOR—Tuba Magna. (Lat.) Major = greater. Either (1) a<br />

Double Tuba, or (2) an 8 ft. Tuba <strong>of</strong> full scale and power, a Tuba<br />

Mirabilis.<br />

In the latter sense the name Tuba Magna is applied to a reed at<br />

St. Saviour's Collegiate Church, Southwark (Lewis).

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