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StudioSound Acoustic Foam Wedges

StudioSound Foams: Sound Absorption (octave frequencies in Hz)
Product 125250
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NRC
1" Wedges
0.090.120.33
0.650.96
1.01
0.52
2" Wedges
0.130.29
0.891.08
0.97
1.040.81
3" Wedges
0.220.48
1.04
1.07
0.94
1.080.88
4" Wedges
0.32
0.87
1.23
1.111.081.101.07