BRUEL & KJAER 4188 - Page 145

Chapter 6 — Pressure-field
1
/
2
" Microphone Type 4192
Frequency Response
Falcon™ Range of Microphone Products
Microphone Handbook
Brüel & Kjær
6
−
10
Fig.6.7 Typical free-field response (0° incidence) for the microphone with Protection Grid DB3421
Fig.6.8 Free-field correction curves for the microphone without
protection grid
940892/1e
5
15
10
0
– 5
– 10
1 k 10 k 100 k100
Frequency (Hz)
Response (dB)
940797/1e
500 1k 10k 50kFrequency (Hz)
– 5
– 2.5
2.5
dB
5
7.5
10
12.5
15
– 10
– 7.5
0
0°
30°
60°
90°
180°
120°
150°
Random
θ°