swell box
swell box · swell boxes
A box or chamber in an organ that contains the reeds or a set of pipes and has…A box or chamber in an organ that contains the reeds or a set of pipes and has shutters that open or shut usually by means of a pedal in order to regulate the volume of musical tone.
Meaning
1 sensesA box or chamber in an organ that contains the reeds or a set of pipes and has shutters that open or shut usually by means of a pedal in order to regulate the volume of musical tone.