3M BK4936, Version A: QE7052 manual 14.3 17.2 20.5

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Microphones

BK4936 microphone using random incidence corrector (Figures/Tables “J”)

Table J.15 (Continued)

C Weighting, Fast Response, SPL

	12.5	16	20	25	31.5	40	50	63	80	100	125	160	200	250	315	400	500
Range	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz
-10 to 70	14.3	17.2	20.5	21.8	21.2	21.6	22.2	22.0	20.9	20.3	20.1	19.4	18.2	17.8	16.8	15.7	14.6
0 to 80	13.7	18.4	21.9	21.2	22.4	22.8	21.0	21.7	20.7	20.1	20.1	19.4	17.9	17.9	16.6	15.8	15.1
10 to 90	15.2	16.8	21.2	21.8	20.9	21.7	21.5	21.6	21.2	20.7	19.2	19.0	18.2	17.4	16.3	15.7	14.6
20 to 100	17.1	17.5	19.9	22.0	20.7	22.9	21.9	21.3	21.3	20.5	19.2	19.0	18.2	17.1	16.3	15.4	15.0
30 to 110	18.2	19.5	19.1	20.0	18.8	22.2	22.0	22.5	20.4	20.1	19.4	18.2	17.8	16.8	16.4	15.4	14.8
40 to 120	18.4	18.0	19.9	22.4	22.9	22.8	22.7	22.3	20.5	19.6	19.7	19.2	18.2	17.3	16.2	15.3	13.9
50 to 130	15.0	19.0	20.2	21.6	23.9	22.9	22.5	22.2	21.1	20.3	19.9	19.6	20.3	20.2	20.2	23.2	23.2
60 to 140	22.0	22.6	24.7	25.6	26.2	24.6	24.6	26.0	24.7	27.2	27.2	27.2	30.2	30.2	30.2	33.2	33.2

C Weighting, Fast Response, SPL

630	800	1000	1250	1600	2000	2500	3150	4000	5000	6300	8000	10	12.5	16	20
Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	kHz	kHz	kHz	kHz
dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB
14.4	13.2	12.5	12.3	11.7	11.2	11.2	10.8	10.6	10.4	9.9	9.5	8.6	7.3	5.7	3.9
13.9	13.4	12.5	12.3	11.7	11.4	11.2	10.7	10.4	10.1	9.7	9.3	8.5	7.2	5.7	3.7
14.0	13.2	12.8	12.3	11.8	11.2	11.2	10.7	10.5	10.2	9.6	9.2	8.5	7.2	5.4	3.2
14.5	12.9	12.7	12.1	11.6	11.3	11.0	10.7	10.4	10.1	9.8	8.4	8.3	8.3	8.3	8.3
13.8	13.0	13.0	12.4	12.0	10.8	10.3	12.3	12.3	12.3	15.3	15.3	15.3	18.3	18.3	18.3
13.4	16.2	16.2	16.2	19.2	19.2	19.2	22.3	22.3	22.3	25.3	25.3	25.3	28.3	28.3	28.3
23.2	26.2	26.2	26.2	29.2	29.2	29.2	32.3	32.3	32.3	35.3	35.3	35.3	38.3	38.3	38.3
33.2	36.2	36.2	36.2	39.2	39.2	39.2	42.3	42.3	42.3	45.3	45.3	45.3	48.3	48.3	48.3

C Weighting, Fast Response, LEQ

Range	12.5	16	20	25	31.5	40	50	63	80	100	125	160	200	250	315	400	500
(dB)	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz
-10 to 70	16.7	18.3	20.3	20.9	22.4	22.4	22.3	21.8	21.2	19.5	19.4	19.0	18.0	17.6	16.4	15.8	15.0
0 to 80	16.5	18.8	20.7	22.0	22.3	23.1	22.3	21.5	21.3	20.1	19.4	18.9	18.4	17.7	16.5	15.6	14.8
10 to 90	18.0	19.4	20.3	22.1	22.9	22.4	22.4	21.5	21.0	20.0	19.6	18.9	18.1	17.2	16.3	15.6	14.8
20 to 100	17.6	18.9	22.1	20.9	21.3	22.5	22.2	21.1	21.1	20.4	19.6	19.2	17.9	17.3	16.6	15.6	14.9
30 to 110	17.1	18.8	21.0	22.3	21.2	22.0	22.0	22.2	20.9	20.7	19.5	18.9	18.1	17.6	16.5	15.5	14.7
40 to 120	18.2	18.6	20.8	22.7	22.9	22.1	22.1	22.3	22.1	20.6	20.0	19.1	18.1	17.6	16.4	15.1	14.2
50 to 130	18.9	20.6	23.1	22.3	22.9	24.0	23.2	23.6	22.0	21.0	20.3	19.6	20.3	20.2	20.2	23.2	23.2
60 to 140	22.6	23.9	24.7	25.8	25.9	24.5	25.7	26.1	24.9	27.2	27.2	27.2	30.2	30.2	30.2	33.2	33.2

053-469 RevC

SoundPro models SE and DL Data Addendum