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New Bose Solution for Fixed-Installation Applications

Bose PowerMatch PM8500 amplifier
Bose RoomMatch array module loudspeaker

Concert-Quality Sound with Breakthrough Scalability and Configurability

The Bose Professional Systems Division has introduced the RoomMatch™ series of array module loudspeakers and PowerMatch™ PM8500 configurable professional power amplifier. Using new Bose technologies and innovative designs, these products provide sound designers with unprecedented scalability and configurability for venues including arenas, performing arts centers, and houses of worship. Now, concert-quality sound can be delivered more consistently and efficiently, regardless of room size, shape, or acoustic properties.

“Our engineers challenged conventional wisdom for both loudspeaker and amplifier design,? said Akira Mochimaru, general manager, Bose Professional Systems Division. “The result is a new approach for the industry, one that lets sound designers and integrators meet the acoustic challenges of any fixed-installation sound system –- with more flexibility and far less compromise to audio performance.?

RoomMatch™ Array Module Loudspeakers
RoomMatch™ modules overcome the acoustic performance limitations of conventional line-array and point-source loudspeakers. Available in 15 different coverage patterns, they can be used alone or with other RoomMatch™ array modules to form Progressive Directivity Arrays –- a new category of curvilinear array from Bose. They perform as a single loudspeaker to ensure optimal sound coverage for a particular listening area.

Bose RoomMatch™ waveguide technology directs sound more precisely, reducing unwanted wall and ceiling reflections that can degrade tonal balance. And multiple, readily available waveguide patterns allow for customized sound coverage for virtually any room.

Each loudspeaker features two new 10-inch woofers and six extended mid-range compression drivers. Together, they eliminate the need for the mid/high crossover, resulting in improved vocal clarity and intelligibility. To reduce distortion, the woofer uses a proprietary ultra-linear motor, a tapered port, and an individual acoustic enclosure, while the compression drivers have a proprietary Bridge Phase Plug to remove resonant modes — without the use of FIR filters or complex signal processing.

Sound designers can scale Sound Pressure Level (SPL) by creating a Bose Progressive Directivity Array to achieve a seamless, consistent response over nearly any vertical angle. This is accomplished with a Continuous-Arc Diffraction-Slot (CADS) manifold –- a Bose invention and an industry first –- that provides interference-free acoustic summation of six compression drivers, and the ability to define precise vertical coverage between 0 and 60 degrees for each RoomMatch™ module.

For bass augmentation below 80 Hz, the new RoomMatch™ RMS215 subwoofer array module is tuned to complement RoomMatch™ full-range loudspeakers.

PowerMatch™ Configurable Professional Power Amplifier
The PowerMatch™ 8500 amplifier is designed to work with both RoomMatch™ array modules and other professional loudspeakers, and can allocate its 4000W rated power between two and eight channels. It provides an unprecedented combination of audio performance and flexible output –- all from a standard wall outlet.

A dual feedback loop architecture continuously monitors and controls the current and voltage to help prevent circuits from being overdrawn. It also combines the sound quality and reliability of the best Class-AB designs with Class-D efficiency.

Bose PeakBank™ power supply incorporates proprietary regenerative four-quadrant design with fast-tracking Power Factor Correction (PFC). It offers higher power and higher efficiency over standard PFC, and improves peak bursts for superior transient response and low-frequency performance. Bass transient response is further enhanced with Bose switching technology that delivers high levels of continuous output for longer durations.

Most sound system applications require several output power levels, involving different amplifier types. Through new QuadBridge™ technology, the PowerMatch™ amplifier provides a level of flexibility only available from Bose. It’s configurable in single, bridge, or QuadBridge™ modes, and maintains consistent tonal balance regardless of the output level. Configurations are selected via software and include 8x500W, 4x1000W, 2x2000W, or mixed combinations. Bridge or QuadBridge™ modes can drive either low-impedance or 70V/100V loads.

New Versions of Bose Modeler® and ControlSpace® Designer Software
Updated Modeler software includes features for designing systems with RoomMatch™ array modules, and new ControlSpace Designer software provides setup, control and monitor functions for the PowerMatch amplifier, while allowing it to be integrated into ControlSpace networks.

Installation and Integrated Rigging Structure
RoomMatch™ array modules can be fitted into place using the provided handles and secured with no adjustment to the curvature required. An integrated side-plate rigging structure eliminates the need for custom rigging, reducing installation time and costs.

All RoomMatch™ and PowerMatch™ products, and compatible versions of Modeler® and ControlSpace® Designer software, will be available through authorized Bose dealers beginning September, 2011. More information is now available at pro.Bose.com.
About Bose Corporation
Bose Corporation was founded in 1964 by Dr. Amar G. Bose, professor at the Massachusetts Institute of Technology. Today, the company is primarily known for acoustics; however, its research has resulted in products for non-audio fields. Bose inventions have improved the performance of:
• Loudspeakers
• Home entertainment systems
• Automotive music systems designed for the interior acoustics of each car model (first introduced by Bose)
• Noise reducing headsets for pilots and the public (first introduced by Bose)
• Sound in public spaces
• The production of sound for musicians requiring electronic amplification of their instruments
• Materials testing and durability simulation instruments for biomedical applications
• Driver suspension systems for heavy-duty trucks

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July 2011
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