Active Audio StepArray+ SA150P+, Руководство пользователя

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8.3 SA180P / acoustical data
8.3 SA180P / acoustical data
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20m 10m 0m 40m 30m
10m
h=2,55m
10dB
5dB
0dB
-5dB
-10dB
-15dB
-20dB
(a) 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
(b) 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
(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 8 – SA180P / acoustical data.
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Column is in nominal position. Levels are referenced to the mean SPL on the listening area.
Last update: March 29, 2016
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