At the heart of the sound is a Helmholtz resonator — a device that produces sound by trapping and vibrating air within a cavity. When you push air into or out of it, the air molecules oscillate ...

Gretsch has announced a small but significant expansion to its 2025 catalogue as the brand unveils a limited edition take on its aluminium-bodied Honey Dipper resonator – and, for the player ...

Abstract: This letter presents a glassblown microhemispherical shell resonator (μHSR), consisting of a micro-hemispherical shell and a ring-shaped electrode. The blow-molding process is employed to ...