RPG effusor Newsletter - February 2007

Greetings from RPG
Hope you are keeping your New Year's resolutions of getting organized and specifying more RPG products. We hosted our first informal SIAP MKIV demo and will announce future events. Please stop by and visit us at NSCA in Orlando this March. Don't forget to sign up for our annual Acoustician's Only Seminar on June 22, 2007 and also please accept my invitation to visit RPG, at our expense, for a Day with Dr. D. If you miss an effusor edition, all previous issues are now on line.

Product Profile: Waveform Bicubic
The Bicubic represents the highest performance, two-dimensional, curvelinear suspended ceiling panel for use over a stage or audience area. Coverage is optimized using RPG's Shape Optimizer software. The Bicubic measures 48" x 48" x 9" and is available in GRG. Dead hung suspension from embedded rigging connectors is simple with included cable assembly. The Waveform Bicubic installation photo is KTSU, Huston, TX.

Product Evaluations
Over the past 24 years, RPG has introduced many acoustical innovations, but it has also improved on traditional acoustical products like pyramids, barrels, etc. In this issue, we highlight the fiber reinforced gypsum pyramid, available in 4'x4' or 2'x2' for wall or T-bar installation. The design of these pyramids is based on the golden mean, a preferred ratio in architecture. In addition to this innovative design, the Golden Pyramid is incombustible and non-diaphragmatic, as are many of the thermoformed units on the market. All of this innovation at competitive pricing. So if you don't think of RPG for traditional shapes, we invite you to see and hear the difference. Please visit our Golden Pyramid site to learn the difference.

Clearsorber: The Future is Clear
RPG is proud to introduce a new class of trasparent microperforated absorbers, that do not require any porous material in the cavity. The innvation is sub-millimeter holes, which offer high viscous losses and provide absorption with a view. This revolution is just what is needed in front of windows in atria, lobbies, offices, conference rooms, botanical gardens, convention centers, etc. We offer Clearsorber in 0.1 mm Foils, 1.5 mm Sheets, 5 mm Panels and 19 mm Honeycomb. For more information, you can download the Clearsorber white paper.

Electronic Architecture
The photo shows RPG's seminar room equipped with a new SIAP Mark IV 32 output installation. The seminar room seats about 25 and is used regularly for educational seminars and CATT Acoustic headphone auralization demonstrations. In the photo, one can see the four KM185 Neumann microphones. There are 32 Frazier C399 loudspeakers mounted in ceiling baffles covered with gray fabric. Live music and speech can be auditioned, as well as processed and unprocessed anechoic recordings, using the processed and unprocessed line inputs. The loudspeakers are powered by 4 QSC CX168 8-channel amplifiers. RPG will sponsor training sessions at our facility throughout 2007, so call for an appointment and stay tuned!

Career Opportunities
To explore a career at RPG, please contact Peter D'Antonio.



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Other Important Items to Note
Research
Keep abreast of the latest topics and developments in progressive acoustics research.



CATT
We continue to offer assistance with the most comprehensive acoustic modeling and auralization package, CATT-Acoustic v8.x. and provide absorption and scattering modeling coefficients in CATT and EASE formats. We can help facilitate the building and prediction of your models.

Shape Optimizer
Our optimization capabilities are continually expanding, Click here to learn about the latest product
and software developments.



Education
Please join us for our all expenses paid Acousticians Only Diffuse Seminar June 22, 2007. You can view the Agenda pdfs on line. We also invite you to visit our Acoustics Library, Diffuse Reflections, Diffuse Bulletins and Competitive Evaluations.

Binder
RPG now has an Architectural binder containing Project Profiles, Cutsheets for its 1D, 2D Diffusors and Absorbers, as well as information on all of its Design Tools. If you have not received one, please reply to this email and request one.


Copyright 2000, RPG Diffusor Systems, Inc.
651-C Commerce Drive, Upper Marlboro, MD, 20774, Phone: 301-249-0044, Fax: 301-249-3912, E-mail: info@rpginc.com