Rock and Roll Hall of Fame and Museum Chooses K-array for its Display Exhibits

K-array KK50vb Provide Flexible Mounting Options and Controlled Sound Dispersion in Compact Spaces
By: Hummingbird Media, Inc.
 
April 28, 2011 - PRLog -- Cleveland, OH -- The Rock and Roll Hall of Fame and Museum (RRHOF) contains the most comprehensive collection of rock music exhibits and artifacts in the world. The museum, which has seven floors and over 150,000 square feet of exhibition space, explores the entire history of the genre through the eyes and ears of the musicians, producers and engineers who made it all possible.

After being open for more than fifteen years and hosting millions of visitors, the Rock and Roll Hall of Fame and Museum decided to update the loudspeaker system in its main exhibit halls and bring it to the state-of-the-art. Following an extensive evaluation, K-array loudspeakers were chosen due to their outstanding audio intelligibility, sound dispersion characteristics and diminutive footprint.  

Overcoming a challenging acoustic environment
One of the primary installation locations is an exhibit called City and Sounds, which takes visitors through different locations and time periods that were instrumental in the evolution of rock music. In addition to priceless artifacts, , the exhibit contains music, video interviews and other content that add perspective, context and insight into the significance of the artifacts. Physically, the exhibit environment is a semi-circle, with roughly 20 displays encasements on both sides in addition to seven audio/video exhibits.

"Before installing the K-arrays, the original technology resulted in some bleed over between the casework," recalls Raymond Kent, director of the innovative technology design group at system designer Westlake, Reed Leskosky. " We wanted to provide more focused sound dispersion within each exhibit, while providing greater control over audio bleed into adjacent exhibits."

Hearing is believing
Westlake, Reed Leskosky and A/V integrator AVI/SPL introduced the K-array KK50vb as a prospective solution, and set up a mock up environment that included two other competitive speaker brands. "We put up all three speakers and did sort of a 'blind taste test' -- not just for ourselves and the museum staff, but also for the visitors," recalls Kent. "Based on the impressions of everyone that listened to them, the K-array was clearly the right choice."

After handily passing the preliminary evaluation, the team installed a total of (14) K-array KK50vb's, along with (7) K-array KA10 four channel power amplifiers. The elevation in audio quality was noticeable: "Since installing the K-array's, we have had a more focused sound, and we've been better able to direct and control the audio," observes Rob Weil, director of production at RRHOF. "The KK50vb also has an extremely small footprint so it works well in a museum with casework where you want the audio to be heard, but not seen. In fact, we were able to discreetly mount the KK50vb directly on the case; this would not have been possible with a more traditional speaker."

While the extremely small footprint of the KK50vb as a key factor, Kent concludes the ultimate decision to go with K-array was based primarily on audio quality. "We had great intelligibility and a very focused sound dispersion. Everything sounded much clearer with the K-arrays -- this difference was audible to everyone."  Moving forward, the Rock and Roll Hall of Fame and Museum has already specified K-array for its other exhibits, and it is expected to complete installation of the new K-array units by this May.

The KK50vb overview
The KK50vb is a compact line array element comprised of 9 x 2” neodymium transducers in a strong stainless steel chassis. The dispersion pattern can be configured for 7° ‘spot’ coverage or 120° ‘flood’ coverage. The speaker has an impedance of 16 Ohms, eliminating the need for 70-volt transformers in distributed systems.

Features:
•   Unique performance-to-size ratio
•   Vertical, Horizontal and 3D line-array applications
•   Multiple 2” long-excursion full-range cone drivers
•   Wide horizontal coverage
•   Switchable vertical coverage 7° or 120°
•   Electronically protected
•   Integrated mounting hardware and accessories
•   Selectable channel 1 or 2
•   Top quality components for outstanding performance
•   Weather proof, suitable for outdoor installations
•   Available in black or white
End
Source:Hummingbird Media, Inc.
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Tags:K-array, Sennheiser
Industry:Music, Multimedia, Architecture
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