3M Version A: QE7052, BK4936 manual KHz 20 kHz 14.3 13.2 12.8 12.4 11.8 11.4

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Microphones

BK4936 microphone using windscreen and remote preamp (Figures/Tables “I”)

Table I.12 (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
Hz		Hz	Hz			Hz			Hz	Hz	Hz			Hz	Hz	Hz	Hz	Hz	kHz		kHz	kHz		20 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
										Z 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
14.5	13.3	12.9			12.3			12.0		11.4	11.6		11.2		11.3	11.6	11.7	12.3	12.8	13.3			14.0		14.7
14.4	12.9	12.7			12.1			12.0		11.7	11.4		11.2		11.2	11.6	11.5	12.2	12.8	13.2			13.9		14.6
14.0	13.5	12.6			12.5			11.8		11.5	11.1		11.1		11.1	11.4	11.5	12.1	12.7	13.2			13.8		14.5
14.4	13.3	12.9			12.3			11.9		11.3	11.2		11.3		11.0	11.3	11.4	12.1	12.5	13.0			13.4		14.3
14.3	12.9	12.9			12.2			12.1		12.0	11.5		12.3		12.3	12.3	15.3	15.3	15.3	18.3			18.3		18.3
13.7	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

053-469 RevC

SoundPro models SE and DL Data Addendum