Acoustics First Corporation. Materials to Control Sound and Eliminate Noise. TM
Products » Diffusers/Diffusors » HiPer Panel, Flat Panel Diffuser
 

HiPer Panel®, Flat Panel Diffuser (US Patent # 7,314,114)

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Please include a list of quantities & sizes.
 
Fabric Finish:
Guilford of Maine FR701 2100
(Click for Chart)
 
Edge Design:
Square
 
Thickness:
1" and 2" (Standard)
4" (Laminated with additional substrate.)
 
Typical Sizes:
Ceiling Tiles
- 2' x 2' or 2' x 4' (nominal) for T-Bar Suspended Grids.
Wall Panels - Up to 4' x 10' with pattern repeating in 2' x 2' increments.
 
Fire Rating:
Class A
 
The HiPer Panel®, (Flat Panel Diffuser) combines absorption and diffusion into one sound panel. This device is similar in appearance to standard fabric-covered acoustical wall panels, such as Sonora®, and can be intermixed with them.

Acoustical performance differs significantly from outward panel appearance. The patented internal structure uses two layers of absorption, separated by a barrier septum, to form a low-profile, composite absorber / diffuser product.

The layers have a pattern of wells that yield an equal distribution of absorptive and reflective regions, both vertically and horizontally. Their constructive and destructive interference with incident sound, produced by the varied hole-pattern combinations, creates significant sound scattering in the critical mid-frequencies.
 

 
Sound Absorption Coefficients
Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
1" - Type A 0.09 0.21 0.72 0.79 0.91 1.03 0.65
1" - E400 0.43 0.28 0.51 0.76 0.99 1.10 0.65
2" - Type A 0.23 0.83 0.78 1.01 .90 0.78 0.90
 
Random Incidence Sound Scattering
  125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz
ISO 17497-1 0.00 0.03 0.00 0.05 0.42 0.51
 
 
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