chamber orchestra

US /ˈtʃeɪm.bər ˌɔːr.kɪˈstrə/
UK /ˈtʃeɪm.bər ˌɔːr.kɪˈstrə/
"chamber orchestra" picture
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Kammerorchester

a small orchestra, typically with 10 to 40 players, that plays in a small hall or chamber

:
The chamber orchestra performed a beautiful Mozart symphony.
Das Kammerorchester spielte eine wunderschöne Mozart-Symphonie.
They are looking for new musicians to join their chamber orchestra.
Sie suchen neue Musiker, die ihrem Kammerorchester beitreten.