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Big Sound

Oct 9, 2009 3:23 PM, By Dan Daley

Sophisticated audio for a midsize church.


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Content used for services in the main sanctuary are distributed to 32in. LG 32LH20 flatpanel displays in classrooms and other spaces in the new addition using a TVOne CS-470 scan converter and a TVOne CS-5100 switcher. Provisions, in the form of terminated prewiring, have been made to integrate three cameras into the video system in the future.

Video

Harvest Bible’s video content consists mainly of DVD and PowerPoint presentations used in conjunction with services, as reflected in the choice of two Eiki/Sanyo PLC-XF60A rear video projectors that are mounted on custom platforms fabricated by Parkway and projected on to a pair of Da-Lite 84155C 144x188 Da-Snap screens with Da-Tex fabric placed on the angled-in walls flanking the stage.

Video also takes advantage of Ethernet control—two Calypso Systems ION-LT master processors and related software allow control of the project via IP from the FOH position. Content used for services in the main sanctuary are distributed, along with the audio, to classrooms and other spaces in the new addition using a TVOne CS-470 scan converter for non-files-based documents and a TVOne CS-5100 switcher and shown on 32in. LG 32LH20 flatpanel displays. Provisions, in the form of terminated prewiring, have been made to integrate three cameras into the video system in the future.

Harvest Bible’s PA system is optimized both for music and speech intelligibility, using a dbx 231 equalizer and the Yamaha M7’s onboard DSP and its memory recall feature, which lets the mixer flip between optimized settings for speech and music.

“It was much more cost-effective to go with a mono system to address both types of audio given the width of the sanctuary,” says Tim Hamilton, ABD’s senior AV systems designer.

Other innovations include a 10’x10’ clear plastic drum kit enclosure for absolute drum isolation and ButtKicker pads for both the bass player and the drummer, who share outputs from the ButtKicker’s amplifier.

“The first reaction when they played on them was silly grins,” Driesenga says. “But now, they wouldn’t perform without them. It really connects the bass and kick together.”

Harvest Bible Chapel is a model for the future of the midsize house of worship. Its PA system can handle hard rock and spoken word equally well. Its basic video system is more than adequate for its current needs and is future-proofed in terms of camera-ready wire and position points, as well as Ethernet distribution of its signal. And, Driesenga says, the systems were built economically, noting the dramatic lessening of cable runs thanks to the digital snake, the Ethernet signal distribution, and the self-powered PA loudspeakers. The digital patching capability of the console and the snake also make for a more efficient signal routing system. Sophisticated in-ear monitoring, exceptional isolation on stage, and a music-class FOH console make the sanctuary a virtual recording studio and, by extension, a content and revenue generator for the future.

“There’s lots of flexibility for now and for the future in these systems, and they were assembled very cost-effectively—[such as the prewiring for future camera capability],” VandeHoef says.

Driesenga says the sound system’s flexibility comes from the digital console and audio snake. “We’re not seeing investment in those types of equipment happening yet on a regular basis in churches,” he says. “But the operational flexibility they offer is certainly worth their cost because features like preset scenes can let the space be used by a wider variety of performances.”

Driesenga acknowledges the steeper learning curve that a digital console presents, noting that most volunteer sound techs at churches have yet to master digital mix consoles. At Harvest Bible, three volunteers underwent training from Parkway to learn the Yamaha M7.

“But once they realize what they can do with these systems, I think their reluctance will begin to fade away,” Driesenga says.



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