Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Pad 30 White · Direct · αw = 0.65 (class C)
  • Bluefiber Pad 40 White · Direct · αw = 0.80 (class B)
  • Bluefiber Pad 50 White · Direct · αw = 0.90 (class A)
  • Bluefiber Pad 30 · Direct · αw = 0.65 (class C)
  • Bluefiber Pad 40 · Direct · αw = 0.80 (class B)
  • Bluefiber Pad 50 · Direct · αw = 0.90 (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 40 White · Direct · 100 Hz: α = 0.11 Bluefiber Pad 40 White · Direct · 125 Hz: α = 0.16 Bluefiber Pad 40 White · Direct · 160 Hz: α = 0.23 Bluefiber Pad 40 White · Direct · 200 Hz: α = 0.35 Bluefiber Pad 40 White · Direct · 250 Hz: α = 0.49 Bluefiber Pad 40 White · Direct · 315 Hz: α = 0.62 Bluefiber Pad 40 White · Direct · 400 Hz: α = 0.76 Bluefiber Pad 40 White · Direct · 500 Hz: α = 0.83 Bluefiber Pad 40 White · Direct · 630 Hz: α = 0.93 Bluefiber Pad 40 White · Direct · 800 Hz: α = 0.97 Bluefiber Pad 40 White · Direct · 1 kHz: α = 0.99 Bluefiber Pad 40 White · Direct · 1.25 kHz: α = 0.99 Bluefiber Pad 40 White · Direct · 1.6 kHz: α = 0.99 Bluefiber Pad 40 White · Direct · 2 kHz: α = 1.00 Bluefiber Pad 40 White · Direct · 2.5 kHz: α = 1.02 Bluefiber Pad 40 White · Direct · 3.15 kHz: α = 1.01 Bluefiber Pad 40 White · Direct · 4 kHz: α = 1.01 Bluefiber Pad 40 White · Direct · 5 kHz: α = 1.07 Bluefiber Pad 50 White · Direct · 100 Hz: α = 0.10 Bluefiber Pad 50 White · Direct · 125 Hz: α = 0.21 Bluefiber Pad 50 White · Direct · 160 Hz: α = 0.31 Bluefiber Pad 50 White · Direct · 200 Hz: α = 0.45 Bluefiber Pad 50 White · Direct · 250 Hz: α = 0.62 Bluefiber Pad 50 White · Direct · 315 Hz: α = 0.77 Bluefiber Pad 50 White · Direct · 400 Hz: α = 0.88 Bluefiber Pad 50 White · Direct · 500 Hz: α = 0.95 Bluefiber Pad 50 White · Direct · 630 Hz: α = 1.03 Bluefiber Pad 50 White · Direct · 800 Hz: α = 1.05 Bluefiber Pad 50 White · Direct · 1 kHz: α = 1.03 Bluefiber Pad 50 White · Direct · 1.25 kHz: α = 1.04 Bluefiber Pad 50 White · Direct · 1.6 kHz: α = 1.03 Bluefiber Pad 50 White · Direct · 2 kHz: α = 1.01 Bluefiber Pad 50 White · Direct · 2.5 kHz: α = 1.00 Bluefiber Pad 50 White · Direct · 3.15 kHz: α = 1.02 Bluefiber Pad 50 White · Direct · 4 kHz: α = 1.01 Bluefiber Pad 50 White · Direct · 5 kHz: α = 1.04 Bluefiber Pad 30 · Direct · 100 Hz: α = 0.08 Bluefiber Pad 30 · Direct · 125 Hz: α = 0.12 Bluefiber Pad 30 · Direct · 160 Hz: α = 0.16 Bluefiber Pad 30 · Direct · 200 Hz: α = 0.24 Bluefiber Pad 30 · Direct · 250 Hz: α = 0.34 Bluefiber Pad 30 · Direct · 315 Hz: α = 0.46 Bluefiber Pad 30 · Direct · 400 Hz: α = 0.58 Bluefiber Pad 30 · Direct · 500 Hz: α = 0.67 Bluefiber Pad 30 · Direct · 630 Hz: α = 0.78 Bluefiber Pad 30 · Direct · 800 Hz: α = 0.85 Bluefiber Pad 30 · Direct · 1 kHz: α = 0.88 Bluefiber Pad 30 · Direct · 1.25 kHz: α = 0.92 Bluefiber Pad 30 · Direct · 1.6 kHz: α = 0.95 Bluefiber Pad 30 · Direct · 2 kHz: α = 0.97 Bluefiber Pad 30 · Direct · 2.5 kHz: α = 1.00 Bluefiber Pad 30 · Direct · 3.15 kHz: α = 1.00 Bluefiber Pad 30 · Direct · 4 kHz: α = 0.98 Bluefiber Pad 30 · Direct · 5 kHz: α = 0.99 Bluefiber Pad 40 · Direct · 100 Hz: α = 0.11 Bluefiber Pad 40 · Direct · 125 Hz: α = 0.17 Bluefiber Pad 40 · Direct · 160 Hz: α = 0.23 Bluefiber Pad 40 · Direct · 200 Hz: α = 0.35 Bluefiber Pad 40 · Direct · 250 Hz: α = 0.48 Bluefiber Pad 40 · Direct · 315 Hz: α = 0.60 Bluefiber Pad 40 · Direct · 400 Hz: α = 0.74 Bluefiber Pad 40 · Direct · 500 Hz: α = 0.79 Bluefiber Pad 40 · Direct · 630 Hz: α = 0.90 Bluefiber Pad 40 · Direct · 800 Hz: α = 0.95 Bluefiber Pad 40 · Direct · 1 kHz: α = 0.96 Bluefiber Pad 40 · Direct · 1.25 kHz: α = 0.98 Bluefiber Pad 40 · Direct · 1.6 kHz: α = 0.97 Bluefiber Pad 40 · Direct · 2 kHz: α = 0.99 Bluefiber Pad 40 · Direct · 2.5 kHz: α = 0.99 Bluefiber Pad 40 · Direct · 3.15 kHz: α = 0.97 Bluefiber Pad 40 · Direct · 4 kHz: α = 0.94 Bluefiber Pad 40 · Direct · 5 kHz: α = 1.00 Bluefiber Pad 50 · Direct · 100 Hz: α = 0.13 Bluefiber Pad 50 · Direct · 125 Hz: α = 0.21 Bluefiber Pad 50 · Direct · 160 Hz: α = 0.29 Bluefiber Pad 50 · Direct · 200 Hz: α = 0.45 Bluefiber Pad 50 · Direct · 250 Hz: α = 0.60 Bluefiber Pad 50 · Direct · 315 Hz: α = 0.74 Bluefiber Pad 50 · Direct · 400 Hz: α = 0.87 Bluefiber Pad 50 · Direct · 500 Hz: α = 0.93 Bluefiber Pad 50 · Direct · 630 Hz: α = 1.01 Bluefiber Pad 50 · Direct · 800 Hz: α = 1.04 Bluefiber Pad 50 · Direct · 1 kHz: α = 1.03 Bluefiber Pad 50 · Direct · 1.25 kHz: α = 1.02 Bluefiber Pad 50 · Direct · 1.6 kHz: α = 1.02 Bluefiber Pad 50 · Direct · 2 kHz: α = 1.00 Bluefiber Pad 50 · Direct · 2.5 kHz: α = 1.02 Bluefiber Pad 50 · Direct · 3.15 kHz: α = 1.03 Bluefiber Pad 50 · Direct · 4 kHz: α = 1.02 Bluefiber Pad 50 · Direct · 5 kHz: α = 1.08 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 40 White · Direct 0.110.160.230.350.490.620.760.830.930.970.990.990.991.001.021.011.011.07 0.80B
Bluefiber Pad 50 White · Direct 0.100.210.310.450.620.770.880.951.031.051.031.041.031.011.001.021.011.04 0.90A
Bluefiber Pad 30 · Direct 0.080.120.160.240.340.460.580.670.780.850.880.920.950.971.001.000.980.99 0.65C
Bluefiber Pad 40 · Direct 0.110.170.230.350.480.600.740.790.900.950.960.980.970.990.990.970.941.00 0.80B
Bluefiber Pad 50 · Direct 0.130.210.290.450.600.740.870.931.011.041.031.021.021.001.021.031.021.08 0.90A

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

ISO 354 measurement, acoustics laboratory Fuchs Raumingenieure, Nürnberg, 01.10.2025