3M Version A: QE7052, BK4936 manual QE7052 microphone Figures/Tables B

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Microphones

QE7052 microphone (Figures/Tables “B”)

QE7052 microphone (Figures/Tables “B”)

Tolerance: IEC 61672 class 2

Directional frequency response using side toward speaker

Figure B.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 Addendum