d&b Conquers Challenging Acoustical Space - AvNetwork.com

d&b Conquers Challenging Acoustical Space

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Sven Pro Sound has installed a d&b audiotechnik sound system in Eastbrook Church’s multipurpose gym fulfilling the need for a sound system that is easy to use.

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 d&b Sound System in Eastbrook Church's Multipurpose Gym

When Eastbrook Church AV Director Brady Garrison contacted Sven Pro Sound to come up with a solution for their eight-year-old multipurpose gym sound system, Isaac Svien of Sven Pro Sound knew that it would not be an easy task. The system consisted of sixteen name-brand speakers in numerous zones, a large rack of ten amplifiers, a zone processor, and a portable mixer for use when the wall mount inputs weren’t sufficient. 

Some acoustical treatment was installed in the room. The system was difficult to use and unintelligible with speech and music. Moreover, the circuit breaker continually tripped under very light use because of the amount of amplifiers being used. 

The system had not been used and portable systems had been set up for events in the room because of these problems. The system was a headache for the church and school and needed to be completely replaced.

The church and school leadership considered adding major acoustical treatment to the room to reduce the echo but Isaac encouraged them to wait until the sound system was addressed. Brady and Isaac agreed that fewer highly directional speakers pointing across the room was essential to avoid reverberation off the walls and to control the sound better. d&b audiotechnik’s product line was the clear choice due to its sound and directionality using minimal power.

The system would be used for speech and for live music youth nights and recorded dance music at basketball games. After running d&b’s ArrayCalc software to predict coverage and SPL levels in the room, the perfect solution was a pair of d&b audiotechnik E12 speakers mounted horizontally at precise angles powered by a single d&b audiotechnik D6 amplifier. 

This design ensured the speakers’ dispersion pattern was not hitting any of the walls and was only directed to the floor and bleachers. After Sven Pro Sound, along with Brady Garrison’s assistance, demonstrated the proposed d&b system to church leadership in the room, the choice was clear and immediately that week the old system began to be dismantled.

Sven Pro Sound worked with Eastbrook Church to trade-in their existing system. The trade-in had enough value that the client didn’t spend any money on the new d&b system. 

The system was installed by Brady Garrison and tuned using d&b’s remote software to reduce the reverberation even further. The end result was a success with the room now often preferred over the church’s main hall for events.

Not only did the new system sound better, but it was also much easier to use. A temporary Allen & Heath MixWizard2 that splits the two sides of the room into separate zones using left/right panning replaced the processor. Later, the mixer will be repurposed to another room on the church’s campus and replaced by a Behringer X32 RACK rack-mounted mixer with the ability to be controlled wirelessly via an iPad.

An Apple Airport Express is used as an input for wireless music playback and two Sennheiser EW135G3 microphones are available as well as various Sennheiser wired microphones. This approach allows the system to be controlled and used wirelessly and remotely from the equipment rack from anywhere in the room.

“This system is state-of-the-art and is extremely flexible and powerful for our church and school," said Brady. "I’m very happy with how the system has turned out. It is a night-and-day difference from the old system to this new system.”

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