sound box
Noun
Meaning
sound box (plural sound boxes)
(music) The open chamber (resonator) of a stringed musical instrument, which intensifies its tone.
Synonyms
Examples
Bunches of electrons passing by the openings to the cavities excite radio wave oscillations in the cavity, much as a guitar's strings excite sound in its sound box.
It originally served to conduct actual sound waves from a purely mechanical "pickup" called a sound box or reproducer to a so-described "amplifying" horn.
His version of the instrument replaced the gourd with a drum-like sound box and included four full-length strings alongside a short fifth string.
The drum-like sound box on the banjo made it louder than the acoustic guitars that were common with early jazz bands, and banjos were popular for recording.
On acoustic instruments, the bridge performs an equally important function of transmitting string energy into the "sound box" of the instrument, thereby increasing the sound volume.