%f (Hz)	C80 (dB)
80	1.3314
100	0.1839
125	-0.95457
155	0.46949
200	1.2908
250	0.56616
315	0.36149
400	0.99306
500	1.2409
630	0.69944
800	1.6008
1000	1.3476
1250	1.1933
1600	2.0167
2000	1.3976
2500	1.851
3150	1.9611
4000	2.7235
5000	4.0531
6350	4.4262
8000	6.5053
10000	8.0064
12500	11.768
16000	14.443