Hamamatsu Arena - AFC(Reverberation Enhancement System)

Purpose	:	Intimacy for sports event Reverberation for concert
Capacity	:	8,000
Completed	:	1990
Volume	:	70,002m³
V/N	:	8.8 m³/N
Speaker	:	44
Microphone	:	26
System	:	Reverberation and Early reflection
RT off	:	1.8s
RT on	:	2.6s

Outline
Hamamatsu arena is a sports facility with 2,500,000 cubic feet volume, 32,000 square feet arena, and 3500 fixed seats. The venue is designed for sports events, concerts and exhibitions. For a amplified concert event, limited reverberation time is proper, although the short reverberation time affect to the intimacy and loudness in sports events. AFC can vary the reverberation time from 1.9 s to 2.6 s (empty, 500Hz) for the enhancement of intimacy, reverberance, and loudness.

System Configuration

Reverberation Time(empty)

Detail Pictures
No.1	No.2	No.3	No.4
Speakers are located above a net at ceiling	Speakers are located above a net at ceiling	Other speakers are set on the ceiling above seats	Control room for PA (AFC can be controlled from here and also from arena area)

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