3M SE-400 SONAR User Manual


 
Data Addendum
Sound Examiner SE-400 Series
53
Nominal BK4936 microphone frequency response, diffraction and reflection with remote preamp RICR, &
windscreen corrections (Section: 5.2.8)
Note: Add correction to electrical frequency response.
Nominal
Frequency Hz
Nominal corrections in dB
63
0.3
80
0.1
100
0.0
125
0.1
160
-0.1
200
-0.1
250
0.0
315
-0.1
400
0.0
500
-0.1
630
0.1
800
0.0
1000
0.0
1059
0.1
1122
0.2
1189
0.2
1259
0.4
1334
0.3
1413
0.2
1496
0.1
1585
0.0
1679
0.1
1778
0.1
1884
0.1
1995
0.3
2113
0.5
2239
0.4
2371
0.6
2512
0.6
2661
0.7
2818
0.7
2985
0.7
Nominal
Frequency Hz
Nominal corrections in dB
3162
0.8
3350
0.8
3548
0.9
3758
1.0
3981
1.0
4217
1.0
4467
1.0
4732
1.2
5012
1.5
5309
1.7
5623
1.3
5957
1.4
6310
2.1
6683
2.7
7079
2.5
7499
2.7
7943
3.0
8414
3.2
8913
3.8
9441
3.2
10000
3.9
10593
4.1
11220
3.4
11885
3.4
12589
2.9
13335
2.1
14125
1.5
14962
0.7
15849
0.1