Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Pad 50 White · Direct · αw = 0.90 (class A)
  • Bluefiber Pad 50 White · 50 mm air gap · αw = 1.00 (class A)
  • Bluefiber Pad 50 White · 200 mm air gap · αw = 1.00 (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 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 50 White · 50 mm air gap · 100 Hz: α = 0.19 Bluefiber Pad 50 White · 50 mm air gap · 125 Hz: α = 0.32 Bluefiber Pad 50 White · 50 mm air gap · 160 Hz: α = 0.44 Bluefiber Pad 50 White · 50 mm air gap · 200 Hz: α = 0.61 Bluefiber Pad 50 White · 50 mm air gap · 250 Hz: α = 0.83 Bluefiber Pad 50 White · 50 mm air gap · 315 Hz: α = 0.97 Bluefiber Pad 50 White · 50 mm air gap · 400 Hz: α = 1.04 Bluefiber Pad 50 White · 50 mm air gap · 500 Hz: α = 1.11 Bluefiber Pad 50 White · 50 mm air gap · 630 Hz: α = 1.10 Bluefiber Pad 50 White · 50 mm air gap · 800 Hz: α = 1.05 Bluefiber Pad 50 White · 50 mm air gap · 1 kHz: α = 1.02 Bluefiber Pad 50 White · 50 mm air gap · 1.25 kHz: α = 0.99 Bluefiber Pad 50 White · 50 mm air gap · 1.6 kHz: α = 0.98 Bluefiber Pad 50 White · 50 mm air gap · 2 kHz: α = 1.02 Bluefiber Pad 50 White · 50 mm air gap · 2.5 kHz: α = 1.04 Bluefiber Pad 50 White · 50 mm air gap · 3.15 kHz: α = 1.05 Bluefiber Pad 50 White · 50 mm air gap · 4 kHz: α = 1.05 Bluefiber Pad 50 White · 50 mm air gap · 5 kHz: α = 1.05 Bluefiber Pad 50 White · 200 mm air gap · 100 Hz: α = 0.29 Bluefiber Pad 50 White · 200 mm air gap · 125 Hz: α = 0.51 Bluefiber Pad 50 White · 200 mm air gap · 160 Hz: α = 0.63 Bluefiber Pad 50 White · 200 mm air gap · 200 Hz: α = 0.84 Bluefiber Pad 50 White · 200 mm air gap · 250 Hz: α = 0.96 Bluefiber Pad 50 White · 200 mm air gap · 315 Hz: α = 1.00 Bluefiber Pad 50 White · 200 mm air gap · 400 Hz: α = 1.07 Bluefiber Pad 50 White · 200 mm air gap · 500 Hz: α = 1.06 Bluefiber Pad 50 White · 200 mm air gap · 630 Hz: α = 1.02 Bluefiber Pad 50 White · 200 mm air gap · 800 Hz: α = 0.94 Bluefiber Pad 50 White · 200 mm air gap · 1 kHz: α = 1.00 Bluefiber Pad 50 White · 200 mm air gap · 1.25 kHz: α = 1.06 Bluefiber Pad 50 White · 200 mm air gap · 1.6 kHz: α = 1.03 Bluefiber Pad 50 White · 200 mm air gap · 2 kHz: α = 1.03 Bluefiber Pad 50 White · 200 mm air gap · 2.5 kHz: α = 1.03 Bluefiber Pad 50 White · 200 mm air gap · 3.15 kHz: α = 1.07 Bluefiber Pad 50 White · 200 mm air gap · 4 kHz: α = 1.08 Bluefiber Pad 50 White · 200 mm air gap · 5 kHz: α = 1.07 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 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 50 White · 50 mm air gap 0.190.320.440.610.830.971.041.111.101.051.020.990.981.021.041.051.051.05 1.00A
Bluefiber Pad 50 White · 200 mm air gap 0.290.510.630.840.961.001.071.061.020.941.001.061.031.031.031.071.081.07 1.00A

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