With the tom set up vertically, sound waves hit the floor and bounce back into the bottom head. Angling a tom slightly causes sound waves to scatter, and diffuses them.

• 落地桶鼓垂直摆放，声波碰到地板反射回底鼓皮。轻微调节落地桶鼓的摆放角度使声波散射和漫反射。