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Anechoic Chambers

Anechoic Chambers

Select An Application Product Catagory

Anechoic Wedges Doors & Window Vibration Isolation

Anechoic chambers achieve free field conditions. They are free from reverberation, feedback and resonance. ArtUSA designs, manufactures and installs anechoic chambers. Anechoic wedges are used in aerospace, automotive, electronics, research, government and manufacturing rooms. ArtUSA offers a line of 6” and 8” thick foam. The wedge design offers increased surface area for maximum acoustical performance. Anechoic foam is lightweight and installs easily. Anechoic wedges are an excellent solution for applications that require high levels of sound absorption.

Quiet Rooms provide a controlled acoustic environment to conduct noise evaluations on a product or specimen without the interference of outside noises and vibrations. Typically used on factory plant floors or in-plant labs, Unger Technologies Quiet Rooms are specifically engineered for high sound-transmission-loss and sound-absorption ratings which provide excellent noise reduction characteristics.

Anechoic ChambersHemi--Anechoic Chambers provide an essentially free-field environment over a reflective plane (the floor) for the measurement of hemispherically radiated sound waves emanating from a sound source. Both types of chambers are well suited for rating sound output, and for providing directivity information.

Anechoic Chambers provide an essentially free-field environment for the measurement of spherically radiated sound waves emanating from a sound source. Anechoic Chambers are echo-free enclosures with a sound energy absorption level of 99% to 100%, or a reflected sound pressure level of 10% or less. The frequency at which the energy absorption drops below 99%, or the pressure reflection exceeds 10%, is known as the low-frequency cut-off. Sound absorption is obtained by lining the walls, ceilings, and floor with wedges or other sound absorbing elements, depending on performance level required and cut-off desired.

The ArtUSA advantage from concept to completion

To achieve free-field conditions within an acoustic test environment the testing area must be free from reverberation, feedback and resonance. pinta creates optimal full anechoic and hemi-anechoic environments for the most precise testing and benchmarking in aerospace, automotive, electronics, research, government and hard goods manufacturing. In addition to our traditional wedge acoustic solution, our new nontraditional system saves between 30% and 50% of available room volume—a great retrofit solution for an existing space.

ArtUSA offers a complete solution—from facility design through final completion—with products and expertise to meet the most demanding needs. Our traditional solution is designed to meet unique requirements for room and test specimen size, cutoff frequency and your precision test method. Our demanding test environments have exceptional performance from the desired cutoff frequency through the highest frequencies. Offering two decades of experience, ArtUSA’s full and hemi-anechoic chambers are the preferred choice for industry-leading companies worldwide.

Trilayer System

The  Trilayer System allows extraordinary space savings thanks to an innovative combination of resonator, barrier and absorptive material layering. This system effectively meets a variety of testing needs and can be easily adapted to existing rooms or areas with limited space. To meet your cutoff frequency and test method requirements, Trilayer is available in three absorption layer options, all are constructed using pinta’s innovative Class 1 fire-rated foam.

Unilayer System

The long-established workhorse of the acoustic test chamber, Unilayer System utilizes either ArtSuper or ArtMax Wedges. The wedges, constructed from  foam, have an increased surface area for exceptional acoustical performance. They are lightweight and install seamlessly for a continuous panel look.

Cutoff

Test

Wedge

System

Frequencies

Standard

Thickness

with ArtMax or

 

Measurement according to

6" to 61"

ArtSuper Wedges

63 Hz or higher

ISO 3745 precision method

(15 to 155 cm)*

Applications

Client

Purpose of Facility

Cutoff Frequency

Facility Type

pinta Solution

Sony®

Research voice recording systems

125 Hz

Hemi-anechoic

 Trilayer System with  Flat Panels

Müller-BBM

Acoustical engineering and research

200 Hz/80 Hz

Hemi-anechoic

 Unilayer System with  Wedges

Continental Tires

Tire research

125 Hz

Hemi-anechoic

Trilayer System with Flat Panels

Airbus Industries

Commercial aircraft component testing

125 Hz/80 Hz

Full anechoic

 Unilayer System with  Max Wedges

Airbus Industries

Commercial aircraft component testing

80 Hz

Full anechoic

Trilayer System with Flat Panels

NASA Langley Research Center

Space and aircraft component testing

100 Hz

Hemi-anechoic

 Unilayer System with  Wedges

NASA Langley Research Center

Acoustical research of components

100 Hz

Full anechoic

 Unilayer System with Wedges

Continental Brakes

Road simulation

50 Hz

Hemi-anechoic

 Trilayer System with Flat Panels

Stihl

Chainsaw Testing

100 Hz

Hemi-anechoic

Trilayer System with  Flat Panels


Physical Data—Foam
Material Open-cell melamine-based foam
Density 0.5 to 0.7 lbs./cubic ft. (ASTM D3574-77)
Long-Term Service Temperature 3020° F
Fire Resistance  Class 1 per ASTM E 84 (all finishes), Meets UL 1715
(natural willtec)

Flame Spread per ASTM E 84            

Natural: 5
  Painted: 10
   Hypalon®-coated: 25

Smoke Density per ASTM E 84

Natural: 50
  Painted: 10
  Hypalon-coated: 65
Microbial Growth  Passes UL 181, section 11
Fungus Resistance Rating 0 per ASTM G21
Finishes                                                                              Natural (white and light grey), Painted or Hypalon

 

 


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ArtUSA Noise Control Products, Inc.
2775 Bankers Industrial Dr., Suite B
Atlanta, GA 30360

Toll Free 1.888.454.6975
Tel 1.770.246.7827
Fax 1.770.232.0203

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