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ver. 2021/20/02
DOP_1110_A
ver. 2021/20/02
Technical manual - StepArray series
Technical manual - StepArray series
8.4. SA250P : acoustical data
1
20m
10m
0m
40m
30m
10m
50m
h=2,55m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
Figure 17 :
SA250P vertical directivity: sound level for the voice octaves
(500Hz,1kHz,2kHz) in the vertical median plane.
0m
10m
20m
30m
40m
10m
20m
50m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
Figure 18 :
SA250P horizontal directivity: sound level for the voice octaves
(500Hz,1kHz,2kHz) on the listening plane.
0
5
10
15
20
25
30
35
40
45
−15
−10
−5
0
5
10
15
SPL(dist) SA250P
250Hz
500Hz
1000Hz
2000Hz
4000Hz
8000Hz
Figure 19 :
Sound level by octave in the axis of the listening plane in front of
the column with respect to the distance from the column.
8.3. SA180P : acoustical data
1
20m
10m
0m
40m
30m
10m
h=2,55m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
Figure 14 :
SA180P vertical directivity: sound level for the voice octaves
(500Hz,1kHz,2kHz) in the vertical median plane.
0m
10m
20m
30m
40m
10m
20m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
Figure 15 :
SA180P horizontal directivity: sound level for the voice octaves
(500Hz,1kHz,2kHz) on the listening plane.
0
5
10
15
20
25
30
35
−15
−10
−5
0
5
10
15
SPL(dist) SA180P
250Hz
500Hz
1000Hz
2000Hz
4000Hz
8000Hz
Figure 16 :
Sound level by octave in the axis of the listening plane in front of
the column with respect to the distance from the column.
