3M SE-400 SONAR User Manual


 
Data Addendum
Sound Examiner SE-400 Series
52
Nominal BK4936 microphone frequency response, diffraction and reflection with remote preamp and RICR
corrections
(section: 5.2.8)
Note: Add correction to electrical frequency response.
Nominal
Frequency Hz
Nominal corrections in dB
2661
0.3
2818
0.2
2985
0.3
3162
0.3
3350
0.4
3548
0.4
3758
0.5
3981
0.6
4217
0.6
4467
0.6
4732
0.8
5012
1.2
5309
1.4
5623
1.0
5957
1.0
6310
1.5
6683
2.2
7079
2.0
7499
2.2
7943
2.4
8414
2.8
8913
3.6
9441
3.1
10000
3.6
10593
4.1
11220
3.7
11885
4.0
12589
4.1
13335
3.5
14125
3.1
14962
2.4
15849
1.7
Nominal
Frequency Hz
Nominal corrections in dB
63
0.4
80
0.2
100
0.1
125
0.2
160
0.0
200
0.0
250
0.1
315
0.0
400
0.1
500
0.0
630
0.2
800
0.1
1000
0.0
1059
0.1
1122
0.1
1189
0.2
1259
0.4
1334
0.2
1413
0.1
1496
0.0
1585
-0.1
1679
0.0
1778
-0.1
1884
-0.1
1995
0.1
2113
0.2
2239
0.1
2371
0.2
2512
0.2