musikelectronic geithain RL903BK, Инструкция по установке и эксплуатации, Страница: 16 / 20

ACOUSTIC MEASUREMENTS
14
musikelectronic geithain GmbH RL 903BK
8 Acoustic measurements
All acoustic measurements are carried out under anechoic conditions with 1 m (3′3″) distance.
20 50 100 200 500 1k 2k 5k 10k 20k
95
90
85
80
75
70
[dB]
[Hz]
Free field frequency response
100 200 500 1k 2k 5k 10k
1
0.5
0
[%]
K2 K3
[Hz]
Total harmonic distortions P
A
= 96 dB
-15
0
15
30
45
60
75
90
105
120
135
150
165
180
-165
-150
-135
-120
-105
-90
-75
-60
-45
-30
0 -6 -9 0 -3 -9 -6 -3
32 Hz 64 Hz
dB
Directional characteristic
0° 45°h 180°h