HK Audio CDR 210 F - Manual (Page 100)

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