3M BK4936, Version A: QE7052 manual Table K.12-Broadband

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Microphones

BK4936 microphone using random incidence corrector and windscreen (Figures/Tables “K”)

Self Generated Noise

Table K.12-Broadband

		SPL			LEQ
			Fast Response
Range
(dB)	A Weighting	C Weighting	Z Weighting	A Weighting	C Weighting	Z Weighting
-20 to 70	22.9	30.1	37.4	22.8	30.1	37.0
-10 to 80	22.8	29.8	37.1	22.8	30.3	37.2
0 to 90	22.8	30.2	36.6	22.8	30.2	37.3
10 to 100	22.8	30.0	36.6	22.8	30.2	37.6
20 to 110	23.3	30.3	36.5	23.3	30.5	37.5
30 to 120	26.2	31.4	36.8	26.2	31.1	37.1
40 to 130	33.3	34.4	38.2	33.4	34.6	38.9
50 to 140	42.1	42.1	43.1	42.1	42.2	42.8
			Slow Response
Range
(dB)	A Weighting	C Weighting	Z Weighting	A Weighting	C Weighting	Z Weighting
-20 to 70	22.8	30.3	37.4	22.8	30.3	37.7
-10 to 80	22.8	30.3	37.4	22.7	30.3	37.7
0 to 90	22.8	30.2	37.5	22.8	30.2	37.5
10 to 100	22.8	30.2	37.9	22.7	30.2	37.6
20 to 110	23.3	30.2	37.5	23.3	30.3	37.3
30 to 120	26.2	31.0	37.6	26.2	31.0	37.9
40 to 130	33.4	34.6	38.6	33.4	34.6	38.5
50 to 140	42.2	42.1	43.0	42.2	42.1	42.9

053-469 RevC

SoundPro models SE and DL Data Addendum