3M SE-401 - Page 55

Data Addendum
Sound Examiner SE-400 Series
48
Nominal BK4936 microphone frequency response, diffraction and reflection with random incidence corrector (RICR)
corrections (section: 5.2.8)
Note: Add correction to electrical frequency response.
Nominal
Frequency Hz
Nominal corrections in dB
Nominal
Frequency Hz
Nominal corrections in dB
63
0.7
2985
0.3
80
0.5
3162
0.3
100
0.4
3350
0.6
125
0.5
3548
0.7
160
0.3
3758
0.8
200
0.3
3981
1.0
250
0.4
4217
0.9
315
0.2
4467
0.8
400
0.3
4732
1.0
500
0.2
5012
1.1
630
0.3
5309
1.4
800
0.1
5623
1.4
1000
0.0
5957
1.5
1059
0.0
6310
1.8
1122
0.1
6683
2.1
1189
0.1
7079
2.1
1259
0.3
7499
2.6
1334
0.2
7943
2.8
1413
0.1
8414
3.0
1496
0.1
8913
3.3
1585
0.2
9441
3.6
1679
0.3
10000
3.7
1778
0.3
10593
4.0
1884
0.2
11220
3.8
1995
0.3
11885
4.0
2113
0.5
12589
4.0
2239
0.5
13335
3.6
2371
0.4
14125
2.8
2512
0.3
14962
2.3
2661
0.4
2818
0.4