Opera Halls

Opera halls and their history were discussed in detail by Forsyth (1985), and their acoustical attributes were surveyed and analyzed by Beranek (1962 and 1996) and Barron (1993). The following data are due primarily to the compilation of Beranek.

Theatro Colon, Buenos Aires, Argentina

Theatro Colon in Buenos Aires opened in 1908, as an opera house, but is also a highly rated concert hall. In his 1962 work Beranek found it to be in his top six concert halls. Its reverberation time is high for opera, at about 1.8 s (occupied), but quite appropriate for concerts. The shape is a classic horseshoe, seating 2487 people with six shallow balconies shown in Fig. 19.21.

As an opera house it is a favorite of singers because of the support they receive on stage. The side walls on either side of the forestage contribute early reflections as do the ceiling and vertical balcony facings. The pit is 3 m (10 ft) deep and so the best string sound is heard in

Figure 19.21 Theatro Colon, Buenos Aires, Argentina (Beranek, 1996)

Figure 19.21 Theatro Colon, Buenos Aires, Argentina (Beranek, 1996)

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