Page 61 Microphones

QE7052 microphone (Figures/Tables “B”)
053-469 RevC
SoundPro models SE and DL Data Addendum

Table B.11 - Pressure Field to Free Field Corrections

Frequency

in Hz

BK4936

Correction

in dB

125

0.04

250

0.00

1000

-0.21

2000

0.14

4000

1.29

Table B.12 - Pressure Field to Random Incidence Corrections

Frequency

in Hz

BK4936

Correction

in dB

125

0.05

250

0.00

1000

-0.09

2000

-0.06

4000

0.60

Self Generated Noise

Table B.13- Broadband

SPL
LEQ
Fast Response
Range (dB)
A Weighting
Z Weighting
A
Weighting
C
Weighting
Z
Weighting
-20 to 70
22.4
37.8
22.4
30.8
37.9
-10 to 80
22.4
37.8
22.3
30.7
38.4
0 to 90
22.3
37.3
22.3
30.5
38.3
10 to 100
22.4
37.9
22.4
30.6
37.9
20 to 110
23.0
38.3
23.0
30.7
37.9
30 to 120
26.7
39.0
26.6
31.4
38.3
40 to 130
34.2
39.8
34.2
35.3
39.4
50 to 140
43.0
43.6
43.1
43.0
43.6
Slow Response
Range(dB)
A Weighting
Z Weighting
A
Weighting
C
Weighting
Z
Weighting
-20 to 70
22.4
34.7
22.4
30.7
38.6
-10 to 80
22.3
34.7
22.3
30.5
38.5
0 to 90
22.3
34.7
22.3
30.6
38.3
10 to 100
22.4
34.7
22.4
30.6
38.5
20 to 110
23.0
35.0
23.0
30.7
38.4
30 to 120
26.7
35.0
26.7
31.5
38.5
40 to 130
34.2
36.9
34.2
35.3
39.6
50 to 140
43.1
43.1
43.1
43.0
43.5