Chapter l, Manual cohedra, Cohedra – HK Audio CDR 210 F User Manual
Page 100: Compact, 1 near field and far field line array, Appendix/reference libary
Manual
COHEDRA
®
& COHEDRA
®
Compact
Figure 1: Near field to far field transition for a line array
1 Near Field and Far Field Line Array
Frequency: 50 Hz
100 Hz
150 Hz
Length [m] Near field Near field Near field
4
1,18
2,35
3,52
6
2,64
5,29
7,94
8
4,71
9,41
14,11
10
7,35
14,70
22,10
12
10,6
21,20
31,80
14
14,40
28,80
43,20
16
18,80
37,60
56,50
18
23,80
47,60
71,50
20
29,40
58,80
88,20
Table 1: Theoretical near field for sub floors arrays according to bass line length and frequency
Frequency:
300 Hz 500 Hz 1 kHz
2 kHz
4 kHz
6 k Hz
8 kHz
10 kHz
Cluster Height Near field Near field Near field Near field Near field Near field Near field Near field
4 Mid/High
0,44
0,74
1,47
2,94
5,88
8,82
11,76
14,70
6 Mid/High
0,99
1,65
3,30
6,61
13,23
19,80
26,47
33,00
8 Mid/High
1,76
2,94
5,88
11,76
23,53
35,28
47,06
58,80
12 Mid/High
3,97
6,61
13,23
26,47
52,94
79,38
105,88
132,30
16 Mid/High
7,05
11,76
23,53
47,05
94,11
414,18
188,22
235,30
20 Mid/High
11,03
18,38
36,76
73,53
147,00
220,56
294,00
367,60
24 Mid/High
15,88
26,47
52,94
105,88
211,76
317,64
423,52
529,40
Table 2: Theoretical near field for mid/high enclosures according to cluster height and frequency
Chapter L
Appendix/Reference Libary