Home of Colorado Symphony Orchestra given L-Acoustics upgrade

Denver Performing Arts Complex's Boettcher Concert Hall benefits from new ARCS II and KIVA installation.
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Denver Performing Arts Complex's Boettcher Concert Hall received an audio revamp recently, which included new L-Acoustics amplifiers and loudspeakers.

The venue – home to the Colorado Symphony Orchestra – was built in 1978 as the first US symphony hall in the round. While the 2,634-seat performance space's unique layout continues to remain contemporary, the venue's previous PA system was in serious need of replacement.

The City of Denver hired Akustiks to specify the new system, which features an exploded cluster design that utilises L-Acoustics' ARCS II and KIVA loudspeaker lines. Supplied by AVDB Group, the system was installed by Steve Kuberski and Mark Herron at Mood Media.

The primary PA is comprised of four horizontal arrays of ARCS II – six constant curvature cabinets point toward the main orchestra seating section, two four-cabinet arrays fire into the left and right mezzanines, and a smaller three-enclosure array cover the rear parquet. Three additional ARCS IIs serve as upper front-fills and address the upper ring and rear mezzanine seats. Four double-stacked KIVA clusters are also positioned overhead to supplement coverage to some of the higher seating and other areas.

Down below, up to eight additional KIVA can be positioned on the stage lip as needed for front-fill, while low frequency reinforcement is achieved via four SB15m subs. System power, processing, networking and control are accomplished through a combination of six LA8 and two LA4 amplified controllers.

"I looked at this project with four different manufacturers, and one of the deciding factors to use L-Acoustics was the performance of ARCS II, which fit the bill very well," said Akustiks partner Anthony Nittoli. "Boettcher is an asymmetrical surround concert hall, so it's an extremely challenging environment to put a sound reinforcement system into. But ARCS II's tightly controlled coverage pattern very nicely allowed us to place sound exactly where we wanted it and keep it off of the surfaces that we didn't."

Over the past couple of years, the Colorado Symphony Orchestra has added a diverse range of soloists and guest acts to its show roster, including Trey Anastasio, Bela Fleck, Guster and Rodrigo Y Gabriela.

"The Orchestra's performances with pop and rock artists have all been very successful and certainly necessitated the presence of a serious, rider-friendly sound reinforcement system," added Aric Christensen, Boettcher Concert Hall's head of audio. "I had previously mixed on V-DOSC and KUDO systems, so was very familiar with L-coustics, but ARCS II was largely unknown to me. However, I trusted both Anthony's design expertise and the manufacturer's reputation, and we've been extremely happy with the results."

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