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LS1-OC100E-1
5
Listening area and related mounting height
Listening area
1,5 m
Diameter
fig. 5. 1
Maximum sound pressure variation from centre to the edge of the listening area
Max SPL
3dB
Height
centre
diameter
[m]
[dB SPL]
[m]
4,5
100,4
4,36
5,0
99,2
5,08
5,5
98,2
5,82
6,0
97,3
6,54
6,5
96,5
7,26
7,0
95,7
8,00
7,5
95,0
8,72
8,0
94,4
9,44
8,5
93,8
10, 1 8
9,0
93,3
10,90
9,5
92,8
11,62
10,0
92,3
12,36
10,5
91,9
13,08
11,0
91,4
13,80
11,5
91,0
14,54
12,0
90,6
15,26
13,0
89,9
16,72
14,0
89,2
17,50
The color indicates the range of minimum dB SPL for
the listening area at maximum power:
90 dB SPL and higher
from 85 dB SPL up to 90 dB SPL
from 80 dB SPL up to 85 dB SPL
from 75 dB SPL up to 80 dB SPL
lower than 75 dB SPL
Bosch Security Systems B.V.
12 dB
9 dB
6 dB
3 dB
Height
Centre
6dB
surface
diameter
surface
2
[m]
2
[m
]
[m
]
15
7,40
43
20
8,64
59
27
9,88
77
34
11, 1 2
97
41
12,34
120
50
13,58
145
60
14,82
172
70
16,06
203
81
17,28
235
93
18,52
269
106
19,76
307
120
21,00
346
134
22,22
388
150
23,46
432
166
23,84
446
183
25,02
492
220
27,42
591
241
29,80
697
How to define a listening area?
1 Define the height between the loudspeaker and the
floor.
2 What is the desired maximum SPL variation from
centre to the edge of the listening area?
3 Look, in the table below, in the column for the
specified height and in the row for the specified
maximum SPL variation.
4 At the intersection of the row and column the
diameter and the surface is given of the listening
area.
9dB
12dB
diameter
surface
diameter
[m]
2
[m]
[m
]
11,28
100
15,64
13, 1 6
136
18,24
15,04
178
20,84
16,92
225
23,44
18,80
278
26,06
20,68
336
28,66
21,64
368
31,26
23,46
432
33,86
25,26
501
36,48
27,06
575
37, 1 2
28,86
654
39,60
30,66
738
42,08
32,48
829
44,56
34,28
923
47,02
36,08
1022
49,50
37,88
1127
51,98
41,50
1353
56,92
45, 1 0
1598
61,88
NOV-13_LS1-OC100E-1 | V2. 1 | 2013. 1 1
15dB
surface
diameter
surface
diameter
2
[m]
2
[m
]
[m
]
192
20,92
344
261
24,42
468
341
27,90
611
432
31,38
773
533
34,88
956
645
38,36
1156
767
41,84
1375
900
45,34
1615
1045
48,82
1872
1082
52,32
2150
1232
55,80
2445
1391
55,60
2428
1559
58,88
2723
1736
62, 1 4
3033
1924
65,42
3361
2122
68,68
3705
2545
75,22
4444
3007
81,78
5253
108,28
ml 32
18dB
surface
[m]
2
[m
]
28,22
625
32,94
852
37,64
1113
42,34
1408
47,04
1738
51,76
2104
56,46
2504
61, 1 6
2938
65,86
3407
70,56
3910
75,28
4451
79,98
5024
84,68
5632
82,30
5320
86,62
5893
90,96
6498
99,62
7794
9208
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