L-Acoustics K2 gives flexibility to Moscow venue
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This flexibility needed to be reflected in the design of the audio system, with L-Acoustics loudspeakers providing a solution that delivers high quality sound system that can be reconfigured in under a half hour.
The audio system was designed and installed by Theatre Techniques and Technologies (TTT Group, Moscow), together with Sonoruss, certified provider of L-Acoustics products in Russia.
Vegas City Hall’s auditorium spans three levels in the form of an amphitheatre. In its standard configuration, used mainly for rock, pop and jazz concerts and children’s events, the hall can seat 1,472. For circus events, the seating immediately in front of the stage is removed to provide a bigger performance area, reducing the seating capacity to 1354.
Large screens delivering 4K content akin to the quality of image one normally finds in a movie theatre are sited around the hall. These are designed to create the effect of augmented reality, fully immersing the audience in the atmosphere of what is happening on stage. The Crocus Group wanted an audio system of a quality to compliment this.
"We received the architectural plan and requirements for the sound system, such as sound pressure levels, coverage and frequency response,” says Ruslan Piletski, chief engineer for the Vegas City Hall project. “Particular attention was paid to the system’s intelligibility and the architectural restrictions of the project, so that we could provide excellent results. After analysing the results produced by L-Acoustics’ Soundvision programme, the customer decided to go with our suggestion of an L-Acoustics K2 system, as it was the most suitable solution for solving the technical issues.”
The audio design for the Vegas City Hall was created by Alexander Ananiev, acoustic engineer for Sonoruss, and comprises 20 K2 - 10 per side hung either side of the stage - eight SB28 subwoofers, eight ARCS II for out-fill and eight 8XTi for front-fill, with a further 10 8XTi for under balcony fills and 12 8XTi for the balcony itself, plus eight ARCS Wide – four for the side scene area and four for the side forestage – with six 115XT HiQ for stage monitoring. Amplification is via L-Acoustics LA8 and LA4X.
"The most difficult part of the project was having two configurations for the same place; the concert hall and the circus arena,” says Alexander. “One universal solution wouldn’t be ideal, so we decided to use a reconfigurable design that could be changed easily and quickly, depending on what the hall is being used for at the time."
Vegas City Hall has been in high demand since it opened, with more than 60 concerts, circus shows and business conferences hosted there by the end of the year.
"Our technical support has had great feedback after every event,” says Ruslan. “The hall is really impressing everyone with its level of comfort and its sound quality. The audiences love it."
(Jim Evans)
