We place the hair in the resonating chamber.

It shows a little solenoid arrangement, with one end of the plunger attached to the diaphragm of a speaking or resonating chamber.

Traditionally, studio designers have fixed such problems with "bass traps," absorptive panels or resonating chambers that dampen the troublesome frequencies.

As the monkey lifted him away from the lights, Lord Roke explained exactly where the resonating chamber was and how to open it.