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The Church at Liberty Square Gets a Custom Fit with VARIA

Cartersville, GA – October 2013… In 1936, a small group of 15 faithful joined together to found the first Cartersville Church of God. The congregation grew slowly but steadily, and in 1980 the church moved to a new sanctuary with educational facilities. Since then the church has experienced phenomenal growth, and in January 2003 they moved into their new campus at Liberty Square, rechristening the church to reflect the new facility.

The 1700-seat sanctuary is an impressive, fan shaped auditorium with high ceilings and an open, inviting seating arrangement. But despite its exquisite aesthetics, the room’s acoustics have been an ongoing challenge, and the original audio system had long struggled with inconsistent coverage and poor intelligibility.

“There was a tremendous change in tonality from the main floor to the balcony area,” explains Kent Morris, Principal of Canton, Georgia-based Cornerstone Media Group. “The main floor was very bright — almost excessively so in some areas — while the balcony seats were getting almost no high frequency content. The mix position is located in the balcony area, which made it very difficult for the tech team to mix.” Morris adds that the old system also created a visual impediment for some of the balcony seats.

The new sound system centers on left and right arrays of the new VARIA modular point source line array system from Renkus-Heinz. Each array is comprised of eight VARIA VA101-series boxes, with coverage patterns ranging from 7 to 22 degrees. “We looked at a number of different options, and they were won over by the VARIA system,” says Morris. “Their technical director Nathan Roach and audio head Ben Tomlinson are very astute, and the fact that VARIA enables you to taper the coverage pattern was a key factor for us. It really provided the most consistent tonality, with no harsh spots and no dead zones.”

Lead Programmer Jeremy Alison was able to map out consistent coverage to the room’s most challenging areas. “With the VARIA, we were able to get articulation to the back rows of the balcony, and great coverage under the balcony as well, without having to add near fields or under balcony speakers,” says Morris. VA15S and PN212 subwoofers add low frequency power and punch, and three CF61 compact two-way boxes provide front fill.

“Being able to select among several boxes with different coverage patterns, and particularly being able to choose transitional boxes in between the fixed ones, makes a tremendous difference in designing a system,” Morris observes. “It’s almost as if every box is custom, but you don’t have to wait six weeks or pay top dollar.”

The entire system is networked via Dante over Ethernet, with several manufacturers’ technologies playing nicely together. “We installed a Yamaha CL5 console at FOH, connected via Dante to two Rio stage boxes,” says Morris. “That enabled us to add a monitor console down on the floor and tie it all together with RHAON so they can monitor from FOH. We also added some devices to their existing Media Matrix NION system. Once we worked through the usual clocking issues, the system functioned flawlessly. You expect a lot of hair pulling, but it was so easy. It all worked out beautifully.”

“The VARIA system has really been an ideal solution for the church,” Morris concludes. “It’s a great looking system, and the cost factor and configurability made it a great fit. I just love working with Renkus-Heinz.”

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Headquartered in Foothill Ranch, California, Renkus-Heinz, Inc. is the worldwide leader in the design and manufacture of audio operations networks, digitally steerable arrays, powered and non-powered loudspeakers, system specific electronics and fully integrated Reference Point Array systems.

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