By the use of a, simple, adjustable reflector, and taking into account the specific source positions, the acoustics of the theatre can be optimized for either Opera or Drama. Shaping the build-up of the early sound results in a perceivable different acoustic environment, although the reverberation time does not change. A variation of about 1 dB in C50 and 1.5 dB in C80, at a reverberation time of 1.4 s, effectively changes the auditorium from a speech theatre to an opera house. In addition, other acoustic problems like the poor coverage in the stalls and poor pit conditions have been solved too. After the renovation, the acoustics have been received very favourably, not at least by the orchestra which favours the pit condition. The success of the theatre has been expressed by the critics of 'Opernwelt' by electing the theatre 'Opernhaus des Jahres' in 2007.
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