54 l May 2013
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installationreport
Adamson’s Point Concentric speakers make their debut at Brussels’ Grand-Place, reports Marc Maes
FROM 1 JUNE, Brussels Grand-Place, the 7,500sqm landmark square in the centre of the Belgian capital, is set to offer a wide variety of events which will feature a continuous flow of audio content. At night the ancient buildings will be lit with hidden LED strips and animation, turning the square into a perfect summer evening’s location.
Vandegoor told PSNEurope later, Adamson had not confirmed the name of the range, so he was initially using the term ‘Coax 6’ to refer to the PC6.) In addition to the enclosures,
Brussels-based Adamson importer and system integrator Inytium won the tender to provide the sound reinforcement system, taking into account a number of compulsory regulations and parameters. With the launch of the Adamson Point Concentric range, Ludovic Vandegoor, managing director of Inytium, found the perfect solution – and became the first installer worldwide to deploy the brand. A series of 16 PC6 (for 6” driver) speakers have been mounted on either side of the Grand-Place under the arcades of both the Brussels Town Hall and the Maison du Roi – and one is placed on the Renommée baroque building. “All these buildings are listed as UNESCO World Heritage sites,” explains Vandegoor. “Every step in the installation of speakers and cables was subject to the approval of the department of Monuments and Heritage and the City of Brussels.” Vandegoor proposed Adamson speakers because of their weatherproof abilities – equipped with Kevlar membranes, the speakers withstand the saying ‘If it’s raining, this must be Belgium’. For extra protection, Inytium provided silicone coverage of the cabinet’s jack-plates, stainless steel screws and weather- resistant foam. (At the time of installation,
Inytium’s technical team, headed by Bruno Denis, installed two discretely placed Adamson Point 15 cabinets on the Town Hall’s bell tower and six Point 12 speakers on the upper balconies. “All of the cabinets were finished in specific RAL colours to comply with Monuments and Heritage
“Every step in the installation of speakers and cables was subject to the approval of the department of Monuments and Heritage and the City of Brussels”
Ludovic Vandegoor
regulations – each of the colours was previously validated by the official services,” continues Vandegoor. The whole sound system is
controlled from a technical facility in Brussels Town Hall where Inytium put in place a Yamaha DME 64 matrix, four
Lab.gruppen C-Series amplifiers, two FP+series, and a multitrack system for the reproduction of the sound content. “The C-Series amplifiers are very similar to the FP touring range, but specifically built for fixed installations like this one,” says Vandegoor. “Both
Inytium’s Ludovic Vandegoor with a Point 15 cabinet
the amplifiers and speakers are monitored in real time by a
Lab.gruppen NLB60 system.” In the Maison du Roi, a set-up of two
Lab.gruppen C-Series amplifiers and three Lake LM26 processors power five more Point 12 speakers on balconies. An extra Adamson PC12 cabinet was placed on the 17th century Roi D’Espagne building (powered and controlled from the Maison du Roi). All of
the cabling was channelled through the Grand-Place’s basement corridors. The amplifier/cabinets
network is managed by means of the Dante protocol. “It’s the best-performing protocol for the transfer of low-latency digital audio over a standard network. The system is accurate and reliable – moreover the Lake processors are equipped with Dante routing features,”
Coaxial speaker Place
BELGIUM first in the
Sixteen Adamson PC6 have been placed on either side of the Grand-Place
explains Vandegoor. “Full diagnostics and control of the complete configuration are effected by means of a laptop computer in the control room, but thanks to the WiFi network in the Grand-Place, the sound system can be remotely controlled with a tablet PC from anywhere on the square. This allows us to use the sound system as microphone amplification for official events like the National Holiday or the annual Flower Carpet.” The content of the
audiovisual background for the Grand-Place, has been designed by French sound designer Xavier Stelly, managing director of audio consultancy Don’t Give Up. “A first step taken five years ago was the acoustic measurement of the Grand- Place,” Stelly explains. “The result was that this place is a perfect hall, with short delays and a good audio response – we worked on this ‘natural’ aspect to create a sound design that will help the public to understand the architecture and the history of the place. The Adamson Point Concentric configuration system was a good solution, acoustically this is the way we wanted it to sound!”n
www.adamsonsystems.com
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