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Page 33 Linear Operating Range
1/3 Octave Band
053-469 RevC
SoundPro models SE and DL Addendum
Table A.41 (Continued)
IEC 651
IEC 804
Range -20 dB to 70 dB
Range -20 dB to 70 dB
Frequency
SPL C Weighting
Frequency
SPL C
Weighting
LEQ C
Weighting
Linear Operating Range (dB)
Linear
Operating
Range (dB)
Linear
Operating
Range (dB)
31.5
27
75
4000
26
74
26
74
1000
24
75
4000
25
74
8000
27
75
Range -10 dB to 80 dB
Range -10 dB to 80 dB
Frequency
SPL C Weighting
Frequency
SPL C
Weighting
LEQ C
Weighting
Linear Operating Range (dB)
Linear
Operating
Range (dB)
Linear
Operating
Range (dB)
31.5
26
85
4000
25
84
25
84
1000
23
85
4000
25
84
8000
26
85
Range 0 dB to 90 dB
Range 0 dB to 90 dB
Frequency
SPL C Weighting
Frequency
SPL C
Weighting
LEQ C
Weighting
Linear Operating Range (dB)
Linear
Operating
Range (dB)
Linear
Operating
Range (dB)
31.5
26
95
4000
25
94
25
94
1000
23
95
4000
25
94
8000
26
95
Range 10 dB to 100 dB
Range 10 dB to 100 dB
Frequency
SPL C Weighting
Frequency
SPL C
Weighting
LEQ C
Weighting
Linear Operating Range (dB)
Linear
Operating
Range (dB)
Linear
Operating
Range (dB)
31.5
29
105
4000
25
104
25
104
1000
25
105
4000
25
104
8000
28
105