dB magnitude of Complex logarithmic Spectrum
1 unit <==>   0.0 dB
step=  1.000terc
 15.85 	-86.11
 19.95 	-80.98
 25.12 	-62.72
 31.6 	-44.16
 39.8 	-40.55
 50.1 	-36.73
 63.1 	-41.90
 79.4 	-43.73
 100.0 	-44.15
 125.9 	-41.06
 158.5 	-25.25
 199.5 	-32.87
 251.2 	-33.96
 316 	-34.98
 398 	-33.46
 501 	-39.04
 631 	-45.38
 794 	-49.33
 1000 	-53.51
 1259 	-59.10
 1585 	-66.32
 1995 	-72.33
 2512 	-77.83
 3160 	-81.31
 3980 	-83.76
 5010 	-82.78
 6310 	-84.82
 7940 	-87.41
 10000 	-92.06
 12590 	-93.67
 15850 	-102.51
 19950 	-110.76
 25120 	-111.67