Page 25 Linear Operating Range

1/3 Octave Band

053-469 RevC
SoundPro models SE and DL Addendum
Linear Operating Range

Table A.40- Broad Band with A-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 61627

ANSI S1.4

Range -20 dB to 70 dB

Range -20 dB to 70 dB

Frequency
SPL A
Weighting
Linear
Operating
Range (dB)
LEQ A
Weighting
Linear
Operating
Range (dB)
Frequency
LEQ A Weighting
Linear Operating Range (dB)
31.5
74
31.5
65
74
1000
75
1000
24
75
4000
74
4000
24
74
8000
75
8000
25
75
12500
75

Range -10 dB to 80 dB

Range -10 dB to 80 dB

Frequency
SPL A
Weighting
Linear
Operating
Range (dB)
LEQ A
Weighting
Linear
Operating
Range (dB)
Frequency
LEQ A Weighting
Linear Operating Range (dB)
31.5
85
64
31.5
64
85
1000
85
24
1000
24
85
4000
84
22
4000
22
84
8000
85
25
8000
25
85
12500
85
28

Range 0 dB to 90 dB

Range 0 dB to 90 dB

Frequency
SPL A
Weighting
Linear
Operating
Range (dB)
LEQ A
Weighting
Linear
Operating
Range (dB)
Frequency
LEQ A Weighting
Linear Operating Range (dB)
31.5
95
64
95
31.5
64
95
1000
95
24
95
1000
24
95
4000
94
22
94
4000
22
94
8000
95
24
95
8000
25
95
12500
95
28
95