Active Audio StepArray+ SA150P+, Руководство пользователя

Страница: 20 / 24

8.6 SA180S / acoustical data
8.6 SA180S / acoustical data
5
0m 10m 20m
10m
SA180S
h=2,65m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
(a) SA180S / vertical directivity: sound level for the voice octaves (500Hz,1kHz,2kHz) in the vertical median plane.
0m 10m 20m
10m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
(b) SA180S / horizontal directivity: sound level for the voice octaves (500Hz,1kHz,2kHz) on the
listening plane.
0 5 10 15 20 25
−15
−10
−5
0
5
10
15
SPL(dist) SA180S
250Hz
500Hz
1000Hz
2000Hz
4000Hz
8000Hz
(c) Sound level by octave in the axis of the listening plane in front of the column
with respect to the distance from the column.
Figure 11 – SA180S / acoustical data.
5
Column is in nominal position. Levels are referenced to the mean SPL on the listening area.
20