
The Curve System™ of Diffusors, Absorbers, and Corner Traps simplifies the creation of natural-sounding professionally–accurate acoustic spaces.
The core of The Curve System is the innovative Diffusor, an improved version of the classic polycylindrical designs used in recording, broadcast, and film studios since the 1930's. These have proved to minimize flat–surface reflection problems by broadly and evenly scattering sound energy. The Curve Diffusor also acts as a diaphragmatic mid–bass absorber and includes a built–in mass–loaded vinyl (MLV) membrane low–bass trap. It solves the two biggest acoustical issues — diffusing mid–to–high frequencies and controlling low frequencies. The Curve Diffusor is unique, offering two complete solutions for the price of one product.
Three stock Diffusor widths integrate perfectly with two matching models, the Curve Absorber (mid-to-high frequency absorption) and the Curve Corner Trap (a Curve Diffusor with an additional corner bass trap). The right combination and placement of Curve System components will optimize your acoustic spaces, and because of their coherent design, all Curve System models look great together.
The Curve System — Simple, Accurate, Affordable Acoustics
After a century of acoustical research, it's widely agreed that rooms with the right balance of diffusion and absorption are far more natural-sounding and source-accurate than rooms without proper diffusion or with too much absorption. The Curve System was created as a simple, accurate, and affordable way to achieve natural-sounding acoustics.
Why The Curve Diffusor is Better:
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Does not exhibit phase–grating (quadratic–residue) diffusor artifacts – no phase or frequency distortion, no high–frequency limitations, and no internal edge diffraction
Includes a limp-mass MLV membrane bass trap to control low–bass room modes
Acts as a diaphragmatic absorber in the mid–bass band

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Professionally attractive, with many fabric, color, and finish options
42" height allows vertical stacking and alternating vertical/horizontal orientation on walls and ceilings; alternating different widths avoids comb filtering artifacts
Why The Curve System is better:
The Diffusor reduces narrow reflections and frequency–dependent modes; eliminates parallel-surface flutter echoes; includes MLV membrane bass trap
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The Absorber evenly absorbs frequencies from 200–20,000 Hz
The Corner Trap reduces low–frequency corner room modes
The Diffusor and Corner Trap act as diaphragmatic low–to–mid frequency absorbers
No fiberglass or foam — uses safe "green" absorbent lining (recycled cotton acoustical panels)
Mounting cleats and hardware included for easy installation
The Curve System:
(All 42" in height; custom heights available)
Diffusors:
(All with MLV membrane) absorbs 40-300Hz, diffuses 300Hz-20kHz
Large:
30" w x 10" d-
Medium:
21" w x 7" d Small:
13.5" w x 5" d
Absorber:
Absorbs 200-20kHz
21" w x 4.5" d
Corner Trap:
(Medium Diffusor with corner trap) absorbs 40-300Hz, diffuses 300Hz-20kHz
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21" w x 18" d
Custom Sizes:
Custom sizes are available up to 4' w x 16' h

Custom Diffusors for a recording studio - 3' w x 9' h - before shipping. (above)

A cell phone photo of the six custom Curve Large Diffusors at
Henry Hirsch's Waterfront Studios in Hudson, N.Y. Henry says he
and the other engineers "love the results!" (above)
Applications:
Anywhere sound is important:
Recording, overdubbing, and mixing studios
Home theaters and music rooms
Broadcast booths and control rooms
Video studios and post-production suites
Film stages and Foley/FX studios
Churches
Offices: meeting, conference, and board rooms
Rehearsal and performance spaces: concert halls and nightclubs
Retail stores
Bars, restaurants, and coffee shops
Classrooms and gymnasiums
Museums and galleries
Install the Curve System for naturally better acoustics.
Click on Word Icon to download CSI Specifications.
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All other resource and information files can be found at our Curve System Resources page.