Sound absorption

Sonacoustic sound absorption results conform NEN-ISO 354 (αs)

 

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

αw

TNO-report

25 mm
directly on hard floor

0,10

0,52

0,83

0,87

0,81

0,83

0,80( ); class B

008.04956 Sonacoustic 25 mm direct.pdf

25 mm
on 60 mm cavity

0,62

0,91

0,78

0,77

0,85

0,88

0,80( L); class B

008.04956 Sonacoustic 25 mm 60 mm spouw.pdf

25 mm
on 125 mm cavity

0,90

0,88

0,75

0,78

0,86

0,90

0,80( L); class B

008.04956 Sonacoustic NL 25mm op 125mm spouw.pdf
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