Übersicht Schallabsorptionsgrade Kastenelement (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.
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |