f (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | |
HR 70 % | 20˚C | 0.090 | 0.339 | 1.13 | 2.80 | 4.98 | 9.02 | 22.90 | 76.60 |
25˚C | 0.077 | 0.030 | 1.06 | 3.08 | 6.19 | 10.40 | 21.90 | 65.40 |