The Baritone is built in one of two shapes: - either in the oblong shape of the trumpet, with the bell pointing directly upward, or oval, with the bell at an angle.

• 但由于上低音号及粗管上低音号的吹管卷起成为梨形，而不是像长号一般张开，所以它们的音色较和暖、滋润，且富有弹性。