Acoustic Performance Data

Acoustic test data is provided below. All the data we publish has been generated in approved acoustic testing facilities according to recognised acoustic test standards. Certificates are available on request.

If you don’t see what you need please contact us. We are regularly developing and testing new acoustic treatment and sound proofing products.
 
 

EQ Acoustics Spectrum Absorbers
Absorption Coefficient / Frequency Band
Panel Thickness Mounting Method* 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC Absorber Class
25mm Flush mounted 0.07 0.31 0.76 1.02 1.09 1.10 0.80 C
25mm 25mm air gap 0.11 0.42 1.01 1.12 1.09 1.08 0.90 C
25mm 50mm air gap 0.18 0.55 1.13 1.10 1.05 1.02 0.95 B
50mm Flush mounted 0.32 0.90 1.15 1.10 1.09 1.10 1.05 A
50mm 25mm air gap 0.35 1.04 1.21 1.15 1.10 0.98 1.15 A
50mm 50mm air gap 0.41 1.02 1.15 1.10 1.03 1.00 1.11 A
100mm Flush mounted 0.89 1.11 1.20 1.27 1.27 1.25 1.17 A

 
*Mounting method describes whether the panel was tested flush against the wall or with an air gap behind it

 
 

EQ Acoustics AirSpace and ColourPanel Acoustic Foam
Absorption Coefficient / Frequency Band
Panel Thickness 100Hz 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
50mm 0.11 0.20 0.51 0.90 1.08 0.94 1.02 0.85

 
 

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