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MSM Systems Installs a NEXO GEO S 8 Line Array and Yamaha M7CL Digital Console at the Memorial Auditorium in Pittsburg, Kan.

January, 2008

City Springs for Blue Chip Sound System.

BUENA PARK, Calif. — The Memorial Auditorium in Pittsburg, Kan. recently upgraded its sound system, bringing the auditorium's performance level up to the demands of its extensive calendar of events. Prior to the new system installation, the theatre had been experiencing several problems: it had not been updated since 1984 except for some piece-meal repairs over the years, patrons complained about the system being noisy and hard to comprehend and the hall sometimes had to rent supplemental systems for visiting performers.

"The city was able to fund a new system through their capital improvements plan, and we're really grateful for it," said Jason Huffman, technical director. The theater management chose MSM Systems Inc., of Lawrence, Kan. to design and install a new start-of-the-art system. MSM Systems Inc. recommended the using CobraNetâ„¢ digital transport to feed QSC Basis signal processors and NEXO NX242 with 16 NEXO GEO S 8 line array speakers powered by three QSC PL380 amplifiers. CobraNet was chosen to reduce ground noise between the console and amp room on the second floor as well as to lower costs of cable runs.

The main speaker system, arrayed in a stereo left/right pair, consists of seven 5 degree vertical cabinets with a horizontal pattern of either 80 or 120 degree for optimum coverage. One 30 degree horizontal with 120 degree horizontal pattern cabinet provides downfill, and two high power QSC PL380 amplifiers provide amplification for the main left/right NEXO arrays. Signal processing for the NEXO GEO S left/right arrays are provided by the NEXO NX242. One high power QSC PL380 amplifier provides amplification for the existing subwoofers.

The theatre had only two weeks of dark time for the improvements. This included installing the sound system and moving the front of house control booth to center of the floor. "The Yamaha M7CL's ease of use is amazing, and training my staff and volunteers has been unbelievably straight-forward," says Huffman. "The NEXO line array gives clarity of sound that is second to none; I have had nothing but compliments and praise from our patrons."

"The system is very rider friendly," Huffman continues. "Our first concert was Restless Heart; everyone from the band and their soundman to my staff and the crowd were so impressed by the sound system and how it performed."

"The community is very active in theatre, and now they can increase the level of their music productions," said Kent Clasen, MSM president. "We were very pleased with the results of the NEXO loudspeakers and the Yamaha M7CL-48 with the digital Cobranet transport worked extremely well and has the lowest noise floor of any system I have heard."

For more information on MSM Systems, Inc. visit

For more information on the Yamaha M7CL digital console and NEXO GEO S 8, write Yamaha Commercial Audio Systems, Inc., 6600 Orangethorpe Avenue, Buena Park, CA 90620; telephone 714-522-9011; or e-mail

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