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Nexo Array for Oregon Church

System designers and integrators Delta Systems Integration of Portland, Ore., recently completed installation of a NEXO sound reinforcement system at Rolling Hills Community Church in Tualatin, Ore. This spacious sanctuary becomes the first worship venue to use a combination of NEXO GEO T tangent arrays with a NEXO ALPHA cluster.

The church’s performance specifications required a system that could accommodate the full spectrum of Christian music, from a quiet chamber quartet to full-on Christian rock bands. The sanctuary acoustics are quite good, with a single level of raked floor seating and stepped seating in the rear. The floor-to-ceiling height is about 35 feet at the stage end of the room.

The GEO T arrays are flown, left and right as close as possible to that 35-foot ceiling height. Each array includes eight T4805 full-range cabinets and two T2815 down-fill boxes. Two CD18 sub-bass units are flown each side, between each GEO array and the central Alpha cluster, which features five M-3 and five B-1 modules. Eight NX242 TD controllers are used for the L/C/R systems. System amplification is a combination of CAMCO Vortex 4, 6 and 3Q, using 22 amps total.

Four NX242 processors with four CAMCO Vortex 4 amps are used for the monitor system, with a combination of eight PS10s and 10 PS15s to provide eight monitor mixes, as well as an 8-station Aviom system. Monitoring is currently handled from the Yamaha PM5D-RH FOH console, although the infrastructure is in place for the church to move their Yamaha DM2000 in from another room when a monitor console is needed.

“The system is emphatically delivering the goods,” says John Harrel, the church’s director of media services. “We are really enjoying our system, and it simply sounds amazing.” Says Mark Smith of Delta, “GEO T is one of the top designs in the world. When you turn it on, after configuring it appropriately, it sounds great and gives you an awesome palette to work from. Coupled with the CD18s, it is stunning. The best aspect of GEO T is the crystalline high end. The system sounds sweet and clear, as well as punchy and fat, but that high end really goes all the way out. That’s what sets it apart.”

For more information on the Nexo syste, visit For more information on Delta Systems, visit