3M BK4936, Version A: QE7052 manual Weighting, Slow Response, LEQ

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Microphones

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

Table J.15 (Continued)

C Weighting, Slow Response, LEQ

	12.5	16	20	25	31.5	40	50	63	80	100	125	160	200	250	315	400	500
Range (dB)	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz	Hz
-10 to 70	17.6	19.2	21.4	22.4	22.4	22.6	22.7	22.1	21.6	20.7	19.8	19.2	18.3	17.6	16.5	15.6	14.8
0 to 80	17.9	19.0	21.4	22.0	22.4	22.4	22.5	22.0	21.1	20.3	19.6	18.9	18.2	17.5	16.5	15.6	14.9
10 to 90	16.8	19.8	21.2	22.4	22.0	22.6	21.9	22.2	21.5	20.4	19.7	19.0	18.2	17.4	16.5	15.5	14.9
20 to 100	17.7	19.6	21.8	22.2	21.9	22.8	22.4	22.0	21.1	20.6	19.6	19.3	18.2	17.5	16.6	15.5	14.8
30 to 110	17.0	19.4	21.3	22.1	22.5	22.7	22.5	21.9	21.4	20.5	19.5	19.1	18.1	17.5	16.3	15.3	15.2
40 to 120	18.0	19.7	21.4	21.9	22.9	23.0	22.3	22.1	21.0	20.3	19.6	19.2	19.2	19.2	19.2	22.3	22.3
50 to 130	18.1	19.8	21.3	21.9	22.8	23.4	23.3	23.4	23.3	26.2	26.2	26.2	29.2	29.2	29.2	32.3	32.3
60 to 140	27.2	27.2	27.4	30.2	30.2	30.2	33.2	33.2	33.2	36.2	36.2	36.2	39.2	39.2	39.2	42.3	42.3

C Weighting, Slow Response, LEQ

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
14.3	13.2	12.8	12.4	11.8	11.4	11.1	10.8	10.5	10.3	9.7	9.4	8.6	7.3	5.7	3.7
14.3	13.2	12.8	12.2	11.7	11.3	11.0	10.7	10.5	10.2	9.7	9.3	8.5	7.2	5.7	3.3
14.2	13.3	12.8	12.3	11.7	11.3	11.0	10.6	10.3	10.0	9.1	9.0	7.4	7.3	7.3	7.3
14.1	13.1	12.4	12.1	11.3	11.3	11.3	11.3	11.3	11.3	14.3	14.3	14.3	17.3	17.3	17.3
12.5	15.3	15.3	15.3	18.3	18.3	18.3	21.3	21.3	21.3	24.3	24.3	24.3	27.3	27.3	27.3
22.3	25.3	25.3	25.3	28.3	28.3	28.3	31.3	31.3	31.3	34.3	34.3	34.3	37.3	37.3	37.3
32.3	35.3	35.3	35.3	38.3	38.3	38.3	41.3	41.3	41.3	44.3	44.3	44.3	47.3	47.3	47.3
42.3	45.3	45.3	45.3	48.3	48.3	48.3	51.3	51.3	51.3	54.3	54.3	54.3	57.3	57.3	57.3

Z Weighting, Fast Response, SPL

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	28.9	25.5	26.9	25.2	24.3	23.4	23.1	21.9	20.7	21.0	18.9	18.9	17.9	16.9	17.1	15.2	14.9
0 to 80	29.2	26.7	26.9	26.0	24.2	22.4	23.2	23.2	21.3	20.5	20.0	19.1	18.1	17.4	16.3	15.8	14.9
10 to 90	26.4	28.2	24.8	26.6	24.7	24.1	23.0	22.0	21.2	20.5	20.0	18.3	17.8	17.8	16.8	15.4	14.9
20 to 100	26.3	26.7	25.3	25.4	24.6	23.0	24.1	22.0	21.3	20.2	20.2	18.7	18.0	17.4	16.3	15.6	14.8
30 to 110	25.0	26.1	24.1	26.2	23.5	24.0	23.9	23.3	21.9	20.1	19.6	18.7	18.5	17.3	16.6	15.2	15.0
40 to 120	28.4	28.7	27.0	24.8	25.1	24.3	22.1	24.0	21.1	20.3	19.3	18.9	18.2	16.5	16.1	15.4	14.4
50 to 130	27.0	27.0	26.8	26.0	25.7	24.4	24.0	22.8	21.1	20.2	19.3	18.8	20.2	20.3	20.2	23.2	23.2
60 to 140	28.9	27.5	26.8	27.0	27.9	26.6	24.9	25.8	24.5	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