Brass instrument
A brass instrument according to an embodiment comprises a main tube extending from a mouthpiece receiver to a bell, the main tube including a first divided part, a second divided part, and a third divided part sequentially divided on an airway path from the mouthpiece receiver to the bell, a first tuning slide connecting the first divided part and the second divided part, and a second tuning slide connecting the second divided part and the third divided part. The first tuning slide and the second tuning slide adjust a total length of the main tube.
1 . A brass instrument comprising:
a main tube extending from a mouthpiece receiver to a bell, the main tube including:
a first divided part, a second divided part, and a third divided part sequentially divided on an airway path from the mouthpiece receiver to the bell;
a first tuning slide connecting the first divided part and the second divided part; and
a second tuning slide connecting the second divided part and the third divided part,
wherein the first tuning slide and the second tuning slide adjust a total length of the main tube.
2 . The brass instrument according to claim 1 further comprising: a plurality of valve tubes connected to the first divided part.
3 . The brass instrument according to claim 1 , wherein
the first tuning slide includes a first slide part connected to the first divided part and a second slide part connected to the second divided part;
the second tuning slide includes a third slide part connected to the second divided part and a fourth slide part connected to the third divided part; and
the total length of the main tube varies depending on a connection length between the first slide part and the first divided part, a connection length between the second slide part and the second divided part, and a connection length between the third slide part and the second divided part, and a connection length between the fourth slide part and the third divided part.
4 . The brass instrument according to claim 1 , wherein an outside diameter of the second tuning slide is larger than an outside diameter of the first tuning slide.
5 . The brass instrument according to claim 4 , wherein an outside diameter of the fourth slide part is 30 mm or more and 50 mm or less.
6 . The brass instrument according to claim 1 , wherein a maximum variation in the overall length of the main tube due to the second tuning slide is approximately 140 mm.
7 . The brass instrument according to claim 1 , wherein the second tuning slide is structurally closer to the mouthpiece receiver than the first tuning slide.
8 . The brass instrument according to claim 1 , wherein:
the main tube includes a plurality of bends, and
a predetermined bend among the plurality of bends is positioned on an extension of a slide direction of the second tuning slide.
9 . The brass instrument according to claim 1 , further comprising a water key arranged in the first tuning slide.
10 . The brass instrument according to claim 1 , wherein the brass instrument is a tuba.