The Rundfunk-Sinfonieorchester Berlin (RSB) was founded in October of 1923. After 1945 it was based in East Berlin (GDR) under the public broadcasting station . It is not to be confused with the West German (a.k.a. , now ).
Principal conductors: (1924–26), Bruno Seidler-Winkler (1926–32), Eugen Jochum (1932–34), Sergiu Celibidache (1945–46), (1953–56), Heinz Rögner (1973–93), Rafael Frühbeck De Burgos (1994–2000), Marek Janowski (2002–2015), (since 2017).