BRUEL & KJAER 2240 - Appendix A Tables; Electrical Frequency Responses

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Appendix A
Tables
A.1 Electrical Frequency Responses
Table A.1 Electrical frequency response
Nominal
Frequency
Exact
Frequency
A-weighting C-weighting
Reference
Response
(dB)
Electrical
Response
(dB)
Deviation
from Ideal
(dB)
Reference
Response
(dB)
Electrical
Response
(dB)
Deviation
from Ideal
(dB)
10 10 –71.3 –70.4 –0.9 –15.2 –14.3 –0.9
12.5 12.59 –64.1 –63.4 –0.7 –11.9 –11.2 –0.7
16 15.85 –57.2 –56.7 –0.5 –9.0 –8.5 –0.5
20 19.95 –50.9 –50.5 –0.4 –6.6 –6.2 –0.4
25 25.12 –45.0 –44.7 –0.3 –4.7 –4.4 –0.3
31.5 31.62 –39.6 –39.4 –0.2 –3.2 –3.0 –0.2
40 39.81 –34.7 –34.6 –0.1 –2.1 –2.0 –0.1
50 50.12 –30.3 –30.2 –0.1 –1.4 –1.3 –0.1
63 63.1 –26.3 –26.2 –0.1 –0.9 –0.8 –0.1
79 79.43 –22.6 –22.5 –0.1 –0.6 –0.5 –0.1
100 100 –19.1 –19.1 0.0 –0.3 –0.3 0.0
125 125.9 –16.1 –16.1 0.0 –0.2 –0.2 0.0
160 158.5 –13.4 –13.4 0.0 –0.1 –0.1 0.0
200 199.5 –10.9 –10.9 0.0 0.0 0.0 0.0
250 251.2 –8.6 –8.6 0.0 0.0 0.0 0.0
315 316.2 –6.6 –6.6 0.0 0.0 0.0 0.0
400 398.1 –4.8 –4.8 0.0 0.0 0.0 0.0
500 501.2 –3.2 –3.2 0.0 0.0 0.0 0.0
630 631 –1.9 –1.9 0.0 0.0 0.0 0.0
800 794.3 –0.8 –0.8 0.0 0.0 0.0 0.0
1000 1000 0.0 0.0 0.0 0.0 0.0 0.0
1250 1259 0.6 0.6 0.0 0.0 0.0 0.0
1600 1585 1.0 1.0 0.0 –0.1 –0.1 0.0
2000 1995 1.2 1.2 0.0 –0.2 –0.2 0.0
2500 2512 1.3 1.3 0.0 –0.3 –0.3 0.0