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profiled acoustic foam absorbers

Absorber Absorption Coefficients

Hz 1" 2" 3" 4"
100 0.10 0.21 0.45 0.69
125 0.14 0.29 0.56 0.76
160 0.16 0.41 0.74 0.88
200 0.20 0.60 0.98 1.04
250 0.24 0.76 1.09 1.12
315 0.35 0.87 1.03 1.03
400 0.50 1.07 1.15 1.12
500 0.69 1.20 1.20 1.14
625 0.83 1.21 1.14 1.14
800 0.95 1.18 1.07 1.13
1000 1.05 1.19 1.08 1.10
1250 1.12 1.18 1.07 1.11
1600 1.10 1.13 1.07 1.11
2000 1.10 1.12 1.07 1.09
2500 1.14 1.15 1.09 1.15
3150 1.05 1.06 1.02 1.08
4000 0.92 0.95 0.93 1.02

All information contained in these details is given in good faith but without warranty.
Custom Audio Designs reserves the right to alter the specifications of any product without notice.