Mechanics Hall in Worcester, Massachusetts was originally opened in 1857. After the 1930's, the hall fell into disuse, but was restored and reopened in 1977, and then renovated again in 1990. Seating 825 on the main floor and 575 in the balcony, the total capacity is 1,400. The sound quality of this hall is similar to that of a rectangular hall. It is 12.5m tall, with a width of 24.7m and length of 27.1m. The total volume is 10,760 cubic meters.