What is the optimum reverberation time at 500 Hz for a cinema?
A. 0.8 – 1.2 sec.
B. 0.9 – 1.3 sec.
C. 0.6 – 0.8 sec.
D. 0.45 – 0.55 sec.

1 Answer

Answer :

A. 0.8 – 1.2 sec.

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