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Sound absorption coefficients box element (LKE)

LIGNATUR box elements with drilled holes or slots and backed sound absorption panels can be used as acoustic elements. The following values show the statistical sound absorption coefficients that can be achieved with LIGNATUR acoustic elements, predicted based on the available measurement protocols measured in accordance with DIN EN ISO 354.

Schallabsorptionsgrade LKE Intro

Acoustics type 1 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.28 0.35 0.48 0.56 0.47 0.30
LIGNATUR-Raumakustik LKE 1

Acoustics type 2 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.28 0.35 0.48 0.60 0.55 0.26
LIGNATUR-Raumakustik LKE 2

Acoustics type 3 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.43 0.73 0.83 0.83 0.73 0.83
LIGNATUR-Raumakustik LKE 3

Acoustics type 3.1 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.32 0.44 0.51 0.47 0.42 0.49
LIGNATUR-Raumakustik LKE 31

Acoustics type 5 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.40 0.65 0.73 0.58 0.48 0.63
LIGNATUR-Raumakustik LKE 5

Acoustics type 5.1 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.29 0.41 0.44 0.35 0.27 0.36
Raumakustik Typ 5.1 LKE

Acoustics type 6 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.38 0.60 0.80 0.78 0.60 0.68
LIGNATUR-Raumakustik LKE 6

Acoustics type 6.1 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.29 0.38 0.51 0.47 0.33 0.39
Raumakustik Typ 6.1 LKE

Acoustics type 8.1 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.26 0.29 0.32 0.32 0.27 0.21
Raumakustik Typ 8.1 LKE

Acoustics type 9.1 LKE

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.29 0.32 0.38 0.38 0.30 0.24
Raumakustik Typ 9.1 LKE

Acoustics type 1 - dyn. design LKE

Intensity: 256

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.27 0.30 0.40 0.47 0.38 0.25
LIGNATUR-Raumakustik LKE 1, Dynamisch Design

Acoustics type 2 - dyn. design LKE

Intensity: 256

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.24 0.22 0.29 0.35 0.30 0.15
LIGNATUR-Raumakustik LKE 2, Dynamisch Design

Acoustics type 3 - dyn. design LKE

Intensity: 256

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.32 0.44 0.51 0.47 0.42 0.49
LIGNATUR-Raumakustik LKE 3, Dynamisch Design

Acoustics type 3.1 - dyn. design LKE

Intensity: 448

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.37 0.58 0.67 0.62 0.57 0.66
LIGNATUR-Raumakustik LKE 31, Dynamisch Design

Acoustics type 5 - dyn. design LKE

Intensity: 256

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.31 0.48 0.51 0.40 0.31 0.43

Acoustics type 5.1 - dyn. design LKE

Intensity: 448

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.28 0.37 0.40 0.32 0.24 0.32
Raumakustik Typ 5.1 LKE dynamisch

Acoustics type 6 - dyn. design LKE

Intensity: 256

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.29 0.38 0.51 0.47 0.33 0.39
LIGNATUR-Raumakustik LKE 6, Dynamisch Design

Acoustics type 6.1 - dyn. design LKE

Intensity: 352

The predicted statistical sound absorption coefficients of the acoustic box elements are based on the measured values of the LIGNATUR surface elements of acoustic types 1 to 9.1.

 

Sound absorption values:

α125  α250  α500  α1000  α2000  α4000 
0.26 0.29 0.38 0.36 0.24 0.29
Raumakustik Typ 6.1 LKE dynamisch
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