BRUEL & KJAER 4188 - Directional Characteristics

Chapter 3 — Prepolarized Free-field
1
/
2
" Microphone Type 4189
Directional Characteristics
Falcon™ Range of Microphone Products
Microphone Handbook
Brüel & Kjær
3
−
14
3.4 Directional Characteristics
Typical directional characteristics are given in Fig.3.14 and Fig.3.15. The character-
istics are normalised relative to the 0° response.
Fig.3.14 Typical directional characteristics of the microphone with Protection Grid DB3420
940786e
0°
330°
300°
270°
240°
210°
180°
150°
120°
60°
30°
0
5
– 5
– 10 – 15 – 20
5
0
– 5
– 10 –15 – 20
– 25
90°
0°
330°
300°
270°
240°
210°
180°
150°
120°
60°
30°
0
5
– 5
– 10 – 15 – 20
5
0
– 5
– 10 –15 – 20
– 25
90°
5 kHz
6.3 kHz
8 kHz
10 kHz
12.5 kHz
16 kHz
20 kHz
25 kHz
31.5 kHz
θ°