Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Pad 50 · Direct · αw = 0.90 (class A)
  • Bluefiber Pad 50 · 50 mm air gap · αw = 1.00 (class A)
  • Bluefiber Pad 50 · 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 · 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 Bluefiber Pad 50 · 50 mm air gap · 100 Hz: α = 0.20 Bluefiber Pad 50 · 50 mm air gap · 125 Hz: α = 0.29 Bluefiber Pad 50 · 50 mm air gap · 160 Hz: α = 0.40 Bluefiber Pad 50 · 50 mm air gap · 200 Hz: α = 0.60 Bluefiber Pad 50 · 50 mm air gap · 250 Hz: α = 0.74 Bluefiber Pad 50 · 50 mm air gap · 315 Hz: α = 0.92 Bluefiber Pad 50 · 50 mm air gap · 400 Hz: α = 1.00 Bluefiber Pad 50 · 50 mm air gap · 500 Hz: α = 1.05 Bluefiber Pad 50 · 50 mm air gap · 630 Hz: α = 1.06 Bluefiber Pad 50 · 50 mm air gap · 800 Hz: α = 1.05 Bluefiber Pad 50 · 50 mm air gap · 1 kHz: α = 1.04 Bluefiber Pad 50 · 50 mm air gap · 1.25 kHz: α = 1.01 Bluefiber Pad 50 · 50 mm air gap · 1.6 kHz: α = 1.00 Bluefiber Pad 50 · 50 mm air gap · 2 kHz: α = 0.99 Bluefiber Pad 50 · 50 mm air gap · 2.5 kHz: α = 1.04 Bluefiber Pad 50 · 50 mm air gap · 3.15 kHz: α = 1.03 Bluefiber Pad 50 · 50 mm air gap · 4 kHz: α = 1.01 Bluefiber Pad 50 · 50 mm air gap · 5 kHz: α = 1.07 Bluefiber Pad 50 · 200 mm air gap · 100 Hz: α = 0.29 Bluefiber Pad 50 · 200 mm air gap · 125 Hz: α = 0.42 Bluefiber Pad 50 · 200 mm air gap · 160 Hz: α = 0.57 Bluefiber Pad 50 · 200 mm air gap · 200 Hz: α = 0.78 Bluefiber Pad 50 · 200 mm air gap · 250 Hz: α = 0.85 Bluefiber Pad 50 · 200 mm air gap · 315 Hz: α = 0.95 Bluefiber Pad 50 · 200 mm air gap · 400 Hz: α = 1.05 Bluefiber Pad 50 · 200 mm air gap · 500 Hz: α = 1.02 Bluefiber Pad 50 · 200 mm air gap · 630 Hz: α = 0.96 Bluefiber Pad 50 · 200 mm air gap · 800 Hz: α = 0.92 Bluefiber Pad 50 · 200 mm air gap · 1 kHz: α = 0.99 Bluefiber Pad 50 · 200 mm air gap · 1.25 kHz: α = 1.01 Bluefiber Pad 50 · 200 mm air gap · 1.6 kHz: α = 1.02 Bluefiber Pad 50 · 200 mm air gap · 2 kHz: α = 1.03 Bluefiber Pad 50 · 200 mm air gap · 2.5 kHz: α = 1.05 Bluefiber Pad 50 · 200 mm air gap · 3.15 kHz: α = 1.04 Bluefiber Pad 50 · 200 mm air gap · 4 kHz: α = 1.04 Bluefiber Pad 50 · 200 mm air gap · 5 kHz: α = 1.09 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 · Direct 0.130.210.290.450.600.740.870.931.011.041.031.021.021.001.021.031.021.08 0.90A
Bluefiber Pad 50 · 50 mm air gap 0.200.290.400.600.740.921.001.051.061.051.041.011.000.991.041.031.011.07 1.00A
Bluefiber Pad 50 · 200 mm air gap 0.290.420.570.780.850.951.051.020.960.920.991.011.021.031.051.041.041.09 1.00A

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