3M BK4936 Microphone User Manual


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Page 36 Linear Operating Range
1/3 Octave Band
053-469 RevC
SoundPro models SE and DL Data Addendum
Table A.42- Broad Band with Z-Weighting
Testing was performed using an 18pf input adaptor under the following conditions: Reference level 114
dB @ 1 kHz, Reference Range 50 dB to 140 dB, Cal level 394.9 mV for testing level ranges – 20 dB to 70
dB through 50 dB to 140 dB. This represents a nominal sensitivity QE4936 microphone, 34.45 mV for
testing level ranges 60 dB to 150 dB and 70 dB 160 dB this represents a nominal sensitivity QE4110
microphone, 10.29 mV for testing level range 80 dB to 170 dB this represents a nominal sensitivity.
IEC 61672
ANSI S1.4
Range -20 dB to 70 dB
Range -20 dB to 70 dB
Frequency
SPL Z Weighting
Linear Operating
Range (dB)
LEQ Z Weighting
Linear Operating
Range (dB)
Frequency
LEQ Z Weighting
Linear Operating Range (dB)
31.5
27
74
27
74
31.5
27
74
1000
27
74
27
74
1000
28
74
4000
27
74
27
74
4000
28
74
8000
28
75
28
75
8000
28
75
12500
27
74
27
74
Range -10 dB to 80 dB
Range -10 dB to 80 dB
Frequency
SPL Z Weighting
Linear Operating
Range (dB)
LEQ Z Weighting
Linear Operating
Range (dB)
Frequency
LEQ Z Weighting
Linear Operating Range (dB)
31.5
27
85
27
85
31.5
27
85
1000
27
85
27
85
1000
27
85
4000
27
84
27
84
4000
27
84
8000
27
85
27
85
8000
28
85
12500
27
85
27
85
Range 0 dB to 90 dB
Range 0 dB to 90 dB
Frequency
SPL Z Weighting
Linear Operating
Range (dB)
LEQ Z Weighting
Linear Operating
Range (dB)
Frequency
LEQ Z Weighting
Linear Operating Range (dB)
31.5
28
95
27
95
27
95
27
1000
27
95
27
95
27
95
27
4000
27
94
27
94
27
94
27
8000
27
95
27
95
27
95
27
12500
26
95
26
95
Range 10 dB to 100 dB
Range 10 dB to 100 dB
Frequency
SPL Z Weighting
Linear Operating
Range (dB)
LEQ Z Weighting
Linear Operating
Range (dB)
Frequency
LEQ Z Weighting
Linear Operating Range (dB)
31.5
27
105
27
105
28
105
28
1000
27
105
27
105
28
105
28
4000
27
104
27
104
28
104
28
8000
27
105
27
105
28
105
28
12500
26
105
26
105
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