3M BK4936, Version A: QE7052 manual QE7052 microphone using remote preamp Figures/Tables D

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Microphones

QE7052 microphone using remote preamp (Figures/Tables “D”)

Z Weighting, Slow Response, LEQ

500	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	Hz	kHz	kHz	kHz	kHz
dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB	dB
14.5	13.5	12.6	12.1	11.4	10.9	10.4	10.3	10.3	10.4	10.8	11.2	12.0	12.7	13.3	14.1	15.0
14.3	13.4	12.5	11.9	11.3	10.8	10.4	10.3	10.2	10.4	10.7	11.0	11.8	12.6	13.2	14.1	14.9
14.5	13.6	12.5	11.9	11.3	10.7	10.2	10.1	10.0	10.1	10.7	11.1	11.3	12.3	13.1	14.3	14.3
14.2	13.4	12.3	11.4	11.0	9.3	9.3	9.3	12.3	12.3	12.3	15.3	15.3	15.3	18.3	18.3	18.3
13.3	13.3	16.3	16.3	16.3	19.3	19.3	19.3	22.3	22.3	22.3	25.3	25.3	25.3	28.3	28.3	28.3
23.3	23.3	26.3	26.3	26.3	29.3	29.3	29.3	32.3	32.3	32.3	35.3	35.3	35.3	38.3	38.3	38.3
33.3	33.3	36.3	36.3	36.3	39.3	39.3	39.3	42.3	42.3	42.3	45.3	45.3	45.3	48.3	48.3	48.3
43.3	43.3	46.3	46.3	46.3	49.3	49.3	49.3	52.3	52.3	52.3	55.3	55.3	55.3	58.3	58.3	58.3

QE7052 microphone using remote preamp (Figures/Tables “D”)

Tolerance: IEC 61672 class 2

Directional frequency response using remote preamp with z-weighting

Figure D.1 - 0-30 degree incidence angles

5

0

Relative dB

-5

-10
100	1000	10000	100000

Frequency Hz

053-469 RevC

SoundPro models SE and DL Data Addendum