REPORT 049
SIR SEEWOOSAGUR RAMGOOLAM INTERNATIONAL AIRPORT
Company: Fohhn Audio Location: Plaisance, Mauritius
Visitors to Terminal 2 of the Sir Seewoosagur Ramgoolam International Airport in Plaisance, Mauritius, can hear their flight announcements courtesy of 52 Fohhn Linea Series AL-10 loudspeaker systems, thanks to the recent installation of the compact loudspeakers. Set to double the airport’s gateway capacity to 4.5 million passengers a year, the new terminal has been designed to better serve the needs of the island’s tourist industry, as well as playing a key role in its economic development. The 57,000 sq metre state-of-the-art terminal building includes an architectural roof that has been modelled on the Ravenala Palm, a tropical plant found in Mauritius. The terminal design also features maximum use of natural light and renewable energy for lighting, in keeping with Mauritius’ ‘sustainable island’ concept. French company Aéroports de Paris worked in collaboration with the China State Construction Engineering Corporation to develop and manage the new terminal project and Fohhn Audio’s Chinese distributor, Shoushan System Integration was involved in the supply of the AL-10 systems for the new terminal. Frequently selected for installation projects, the ultra-compact, 20W nearfield AL- 10 loudspeakers were specified for relaying passenger information and for provid- ing background music. The systems feature integral line array technology, and are particularly suited to challenging acoustic environments and complex architectural layouts. With clarity of speech and even sound dispersion prime requirements for this project, the design and functionality of the AL-10 was considered best suited to the task of providing effective short distance coverage and high levels of speech intelligibility. The 100V versions of the loudspeakers were supplied for the installa- tion. Amid the terminal’s elegant, modern architecture, visual appearance was also a major consideration and the AL-10’s once again proved ideal on account of their compact dimensions.
www.fohhn.com FRIENDS ARENA
Company: Electro-Voice Location: Solna, Sweden
A new national stadium, the Friends Arena has been built in Solna near Stock- holm, Sweden. It has taken three years to construct the 65,000-seater stadium, designed in accordance with the most modern precepts and equipped with a retractable roof. The stadium serves as a venue not only for major sporting events but also for major events from the worlds of music and entertainment. In terms of concept, architecture, design and equipment, the Friends Arena is one of the most modern multi-function stadiums in Europe. The invitation to tender for the sound reinforcement solution was won by the English firm LBI Projects, one of the world’s leading specialists in stadium sound. In addition to its impressive reference list, in which names like Wembley Stadium catch the eye, it was the “compact, elegant and efficient sound design concept” proposed by LBI Projects that clinched the deal. The core of the sound reinforce- ment solution is made up of powerful, compact XLD281 elements from Elec- tro-Voice’s XLVC line array system. “The XLD281 three-way cabinet is light and visually unobtrusive, sounds excellent and provides very good coverage of the bass frequencies without requiring any support from subwoofers,” said LBI Project’s James Hurst. The XLD281 elements are operated with FIR filters, which James considered essential if the required sys- tem performance was to be achieved. “Naturally, we also fine-tuned the system,” he added. “In this case by toning down the preset boosts at 170Hz, which, whilst
it may on a subjective level have led to an initial reduction in loudness, markedly improved transparency - an important quality often notable for its absence in major stadiums.” The complete audio installation in the Friends Arena is integrated into a redundant Dante audio network on a gigabit, single-mode fibre-optic basis. Nine compact system racks feed all the loudspeakers in the arena. Each of the racks is equipped with CPS 8.5 power amplifiers with RCM-810 remote modules and redundant Net- Max N8000 controllers with DM-1 modules for integration into the Dante network. Four identically configured racks are located beneath the roof; these feed not only the 12 markedly curved XLD281 hangs serving the stands but also the eight horn-loaded EVH-1152S/66 coaxial systems from the EV-Innovation family cov- ering the playing area, with one quarter of the stadium assigned to each rack. Five additional system racks are housed in the ground floor of the arena; these serve all the ancillary zones, such as passageways, catering facilities and areas not normally open to the public, including the banqueting hall, which is equipped with 14 EVF- 1152S/64 loudspeakers. Full control and supervision of all the racks is assured by IRIS-Net software. As is generally the case with modern stadium installations, the sound reinforcement system in the Friends Arena is linked to the evacuation system. The latter, in this case, consists of around 500 ceiling loudspeakers, complemented by 340 horn-loaded speakers for recorded music, 75 bi-directional loudspeakers and three digital message players - all from Bosch. The feedback from the operators of the stadium has been positive, reported James. Even experts like Steve Liddle, Project Consultant with Springwell AB, are “totally enthusiastic about the performance, the evenness of the coverage, the high sound pressure levels and the excellent intelligibility.”
www.electrovoice.com
www.mondodr.com
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