sound box

IPA/sˈaʊnd bˈɒks/
IPA/sˈaʊnd bˈɑːks/

sound box — noun

1. The hollow chamber inside a musical instrument — especially stringed instruments

1.名詞B1
釋義

The hollow chamber inside a musical instrument — especially stringed instruments such as violins, guitars, and cellos — that vibrates together with the strings, making the sound louder, fuller, and warmer.

例句

Ignacio tapped the sound box of his guitar, listening for any cracks in the wood.

sound box + instrument name (guitar)

The violin maker shaped the sound box from a single block of maple.

instrument-making collocation: shaping the sound box

同義詞
  • resonant chamber

    more technical; used in acoustics and instrument design

  • body

    informal term, especially for guitars and violins; less precise than 'sound box'

用法筆記

In string instruments, the sound box is also called the 'body' of the instrument. Do not confuse it with a 'soundboard', which is the flat wooden top of a piano or harpsichord.

常見錯誤

The sound box of a piano is damaged.
The soundboard of a piano is damaged.
💡Pianos have a soundboard, not a sound box; the two terms refer to different parts.
The trumpet's sound box is made of brass.
The trumpet's bell is made of brass.
💡Wind and brass instruments do not have a sound box; they have a bell or a tube.

2. The part of an old-fashioned record player — such as a phonograph or gramophone

2.名詞B2
釋義

The part of an old-fashioned record player — such as a phonograph or gramophone — that changes the vibrations of a needle moving along a record into sound waves that you can hear.

例句

Shirin carefully cleaned the diaphragm inside the sound box of her grandmother's phonograph.

sound box + phonograph: historical device context

Without a working sound box, the gramophone spins the record but makes no sound.

同義詞
  • reproducer

    specific to certain Edison phonograph models; not a general synonym

用法筆記

This sense is historical — modern speakers, headphones, and digital music players do not have a 'sound box'. You will mainly find this term in antique shops, museums, and books about the history of recorded sound.

常見錯誤

I need a new sound box for my phone speaker.
I need a new speaker for my phone.
💡Modern electronic devices use 'speaker' or 'driver', not 'sound box'.