dB magnitude of Complex logarithmic Spectrum
1 unit <==>   0.0 dB
step=  1.000terc
 15.85 	-86.17
 19.95 	-76.55
 25.12 	-61.99
 31.6 	-43.78
 39.8 	-40.55
 50.1 	-35.47
 63.1 	-39.86
 79.4 	-40.81
 100.0 	-42.70
 125.9 	-38.90
 158.5 	-29.75
 199.5 	-27.22
 251.2 	-31.59
 316 	-33.32
 398 	-33.23
 501 	-29.59
 631 	-30.40
 794 	-42.94
 1000 	-36.45
 1259 	-35.37
 1585 	-38.03
 1995 	-40.09
 2512 	-40.82
 3160 	-48.23
 3980 	-45.34
 5010 	-43.25
 6310 	-43.67
 7940 	-47.17
 10000 	-50.27
 12590 	-51.14
 15850 	-57.20
 19950 	-71.44
 25120 	-80.43