RPG QRD-734 Absorption Coefficients

Hz	Absorption Coefficient
125	0.23
160	0.21
200	0.26
250	0.24
315	0.29
400	0.30
500	0.35
630	0.33
800	0.26
1000	0.23
1250	0.20
1600	0.18
2000	0.20
2500	0.21
3150	0.21
4000	0.20

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