074 VENUE
SCHARRENA
STUTTGART, GERMANY EUROPE/MIDDLE EAST/AFRICA
SCHARRena is a new venue, which has been bolted onto the Mercedes-Benz Arena - home of VfB Stuttgart football team - as part of its refurbishment. Though the two sports facilities are architecturally married, their operational directions are completely independent, and do not interlink. SCHARRena is a 2,000-capacity indoor arena, which caters for a range of sporting disciplines, including badminton, volleyball, basketball, handball and gymnastics. It is home to a number of teams and clubs, some of which use the arena’s full capacity, others that, on average, attract something like 500 spectators. This variant was an important consideration, and it was an infl uential factor in the process of audio equipment specifi cation. Using EASERA software, Lindenmeyer GmbH measured the reverberation time of the room at 2.4 seconds - a period that would naturally reduce as the arena fi lled with people, but would be notable with fewer spectators. The solution was to zone the arena into separate areas, thus empowering the user with the ability to address only the parts of the stadium that are in use. This minimises the amount of unnecessary refl ections. “We divided the arena into fi ve areas,” said Roland. “North, south, west, east and centre. In addition to that there are the peripheral rooms like the entrance hall, VIP area, dressing rooms, training hall, offi ces and some others. The control room is located in the eastern part, allowing the necessary overview and listening position. Normal events do not use the centre at all, because this is the fi eld of play, and it could impair communication between the players.” A total of 26 Electro-Voice Sx600 PIX speakers have been fl own
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over the main arena. The high-output, two-way speakers feature a dual element vertical line array for clarity and intelligibility, with the convenience of being internally powered. Elsewhere, in the aforementioned peripheral spaces, 20 DYNACORD WL 90 wall speakers, 20 Bosch LBC 3090/01 ceiling speakers, 172 DYNACORD DL 96 A ceiling speakers and 14 DYNACORD DL 800/10T horn speakers have been installed. Power for these speakers is supplied by DYNACORD DPA 8150 and DPA 8225 amplifi ers. Signals, from devices like CD players and microphones, are managed in the control room using a DYNACORD CMS-3 mixing console. The output signal can be adjusted using pre-sets, with control being handled by a DYNACORD P64 system running IRIS Net software. From the P64, the signal is translated into CobraNet and delivered across four fi bre optic cables to a second P64 located in the main-rack - located in the basement. In the case of signal loss, the system can switch to a different cable in less than 20 milliseconds. In case of an emergency, the whole system changes to one large EVAC system by overriding the entertainment audio output. The EVAC system is built around a DYNACORD Promatrix 8000, and features a DPC1815 paging station. “The planning was to get an overall sound in the hall - nothing like putting zones up and down the hall. The usage for normal people - the clubs, sportsmen, whatever - makes it sensible for zones. If you don’t have people here, it makes no sense to power that zone, refl ecting and making it worse in another zone. It wasn’t planned in the beginning, it just takes some programming,” explained Roland.
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