Metal wind instrument with valve block, mouth-piece and curved slide piece

摘要

The valve block (1) contains at least three valves with curved pipes of different lengths. The mouthpiece (2) and sound-pipe (3) have a movable curved slide piece (4). The whole length of the pipe which can be altered by the curved pipe is greater than the pipe length for a half-tone. The dampened positioning stops (41) are arranged in at least two separate positions. the valve block has holders (14) for the valve-playing hand.