BRUEL & KJAER 4188 - Page 25

Chapter 2 — Prepolarized Free-field
1
/
2
" Microphone Type 4188
Frequency Response
Falcon™ Range of Microphone Products
Microphone Handbook
Brüel & Kjær
2
−
10
Fig.2.8 Free-field correction curves for the microphone without
protection grid
Fig.2.9 Typical free-field response (0°-incidence) for the microphone without protection grid
940805/1e
500 1k 10k 50kFrequency (Hz)
– 5
– 2.5
2.5
Correction (dB)
5
7.5
10
12.5
15
– 10
– 7.5
0
150°
120°
180°
90°
Random
60°
0°
30°
θ°
940935e
– 5
5
0
– 10
– 15
– 20
1 k 10 k 100 k100
Frequency (Hz)
Response (dB)