The Trombone The trombone emerged as a variation of the medieval trumpet when the slide, in the form of a U-bend, was created (mid-15th century), immediately producing an efficient and unique low brass instrument capable of playing all chromatics. From that time to the present, the instrument has consisted fundamentally of a bell section including attached inner slides, outer slides, and mouthpiece, the tube being cylindrical up to a gradual expansion toward the bell. Example waveforms Trombone Details

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Trombone Details The trombone has a length of 270 cm. A common design pitch is B-flat. If the tube is made wider with respect to its length, then the pedal tones sound more easily but the upper resonances are more difficult to play. A common construction material for trombones is yellow brass (70% copper, 30% zinc), but there are other variations. Slides may be made out of several materials: nickel for light, fast slides to heavier brass and nickel combinations. Example waveforms

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