Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Pad 30 White · Direct · αw = 0.65 (class C)
  • Bluefiber Pad 30 White · 50 mm air gap · αw = 0.85 (class B)
  • Bluefiber Pad 30 White · 200 mm air gap · αw = 0.95 (class A)
0.0 0.2 0.4 0.6 0.8 1.0 1.2 100 Hz 125 Hz 160 Hz 200 Hz 250 Hz 315 Hz 400 Hz 500 Hz 630 Hz 800 Hz 1 kHz 1.25 kHz 1.6 kHz 2 kHz 2.5 kHz 3.15 kHz 4 kHz 5 kHz Bluefiber Pad 30 White · Direct · 100 Hz: α = 0.07 Bluefiber Pad 30 White · Direct · 125 Hz: α = 0.13 Bluefiber Pad 30 White · Direct · 160 Hz: α = 0.16 Bluefiber Pad 30 White · Direct · 200 Hz: α = 0.26 Bluefiber Pad 30 White · Direct · 250 Hz: α = 0.35 Bluefiber Pad 30 White · Direct · 315 Hz: α = 0.44 Bluefiber Pad 30 White · Direct · 400 Hz: α = 0.58 Bluefiber Pad 30 White · Direct · 500 Hz: α = 0.67 Bluefiber Pad 30 White · Direct · 630 Hz: α = 0.75 Bluefiber Pad 30 White · Direct · 800 Hz: α = 0.82 Bluefiber Pad 30 White · Direct · 1 kHz: α = 0.86 Bluefiber Pad 30 White · Direct · 1.25 kHz: α = 0.92 Bluefiber Pad 30 White · Direct · 1.6 kHz: α = 0.92 Bluefiber Pad 30 White · Direct · 2 kHz: α = 0.97 Bluefiber Pad 30 White · Direct · 2.5 kHz: α = 0.98 Bluefiber Pad 30 White · Direct · 3.15 kHz: α = 0.97 Bluefiber Pad 30 White · Direct · 4 kHz: α = 0.96 Bluefiber Pad 30 White · Direct · 5 kHz: α = 0.95 Bluefiber Pad 30 White · 50 mm air gap · 100 Hz: α = 0.12 Bluefiber Pad 30 White · 50 mm air gap · 125 Hz: α = 0.21 Bluefiber Pad 30 White · 50 mm air gap · 160 Hz: α = 0.26 Bluefiber Pad 30 White · 50 mm air gap · 200 Hz: α = 0.40 Bluefiber Pad 30 White · 50 mm air gap · 250 Hz: α = 0.52 Bluefiber Pad 30 White · 50 mm air gap · 315 Hz: α = 0.66 Bluefiber Pad 30 White · 50 mm air gap · 400 Hz: α = 0.79 Bluefiber Pad 30 White · 50 mm air gap · 500 Hz: α = 0.90 Bluefiber Pad 30 White · 50 mm air gap · 630 Hz: α = 1.01 Bluefiber Pad 30 White · 50 mm air gap · 800 Hz: α = 1.00 Bluefiber Pad 30 White · 50 mm air gap · 1 kHz: α = 1.01 Bluefiber Pad 30 White · 50 mm air gap · 1.25 kHz: α = 0.98 Bluefiber Pad 30 White · 50 mm air gap · 1.6 kHz: α = 0.96 Bluefiber Pad 30 White · 50 mm air gap · 2 kHz: α = 0.94 Bluefiber Pad 30 White · 50 mm air gap · 2.5 kHz: α = 0.93 Bluefiber Pad 30 White · 50 mm air gap · 3.15 kHz: α = 0.99 Bluefiber Pad 30 White · 50 mm air gap · 4 kHz: α = 0.99 Bluefiber Pad 30 White · 50 mm air gap · 5 kHz: α = 1.02 Bluefiber Pad 30 White · 200 mm air gap · 100 Hz: α = 0.21 Bluefiber Pad 30 White · 200 mm air gap · 125 Hz: α = 0.36 Bluefiber Pad 30 White · 200 mm air gap · 160 Hz: α = 0.49 Bluefiber Pad 30 White · 200 mm air gap · 200 Hz: α = 0.66 Bluefiber Pad 30 White · 200 mm air gap · 250 Hz: α = 0.82 Bluefiber Pad 30 White · 200 mm air gap · 315 Hz: α = 0.92 Bluefiber Pad 30 White · 200 mm air gap · 400 Hz: α = 1.01 Bluefiber Pad 30 White · 200 mm air gap · 500 Hz: α = 1.01 Bluefiber Pad 30 White · 200 mm air gap · 630 Hz: α = 0.94 Bluefiber Pad 30 White · 200 mm air gap · 800 Hz: α = 0.80 Bluefiber Pad 30 White · 200 mm air gap · 1 kHz: α = 0.82 Bluefiber Pad 30 White · 200 mm air gap · 1.25 kHz: α = 0.97 Bluefiber Pad 30 White · 200 mm air gap · 1.6 kHz: α = 0.96 Bluefiber Pad 30 White · 200 mm air gap · 2 kHz: α = 0.98 Bluefiber Pad 30 White · 200 mm air gap · 2.5 kHz: α = 0.99 Bluefiber Pad 30 White · 200 mm air gap · 3.15 kHz: α = 1.01 Bluefiber Pad 30 White · 200 mm air gap · 4 kHz: α = 1.02 Bluefiber Pad 30 White · 200 mm air gap · 5 kHz: α = 1.02 Frequency
100 Hz125 Hz160 Hz200 Hz250 Hz315 Hz400 Hz500 Hz630 Hz800 Hz1 kHz1.25 kHz1.6 kHz2 kHz2.5 kHz3.15 kHz4 kHz5 kHz αwClass
Bluefiber Pad 30 White · Direct 0.070.130.160.260.350.440.580.670.750.820.860.920.920.970.980.970.960.95 0.65C
Bluefiber Pad 30 White · 50 mm air gap 0.120.210.260.400.520.660.790.901.011.001.010.980.960.940.930.990.991.02 0.85B
Bluefiber Pad 30 White · 200 mm air gap 0.210.360.490.660.820.921.011.010.940.800.820.970.960.980.991.011.021.02 0.95A

ISO 354 measurement, acoustics laboratory Fuchs Raumingenieure, Nürnberg, 17.07.2025