QSC Audio 1400 Benutzerhandbuch
14
loss of 10% is barely audible, the resultant low damping factor will prevent the amplifier from fully controlling the
peaks and dips in frequency response caused by speaker impedance variations. This will result in greater
coloration and muddiness.
peaks and dips in frequency response caused by speaker impedance variations. This will result in greater
coloration and muddiness.
Cable
Wire
Cable
Power Loss,
Power Loss,
Damping
Damping
Length
Gauge
Resistance
8
Ω
Load
4
Ω
Load
Factor,
Factor,
8
Ω
Load
4
Ω
Load
5 ft.
18
0.063
Ω
0.79%
1.58%
78
39
16
0.040
Ω
0.50%
1.00%
100
50
14
0.025
Ω
0.31%
0.63%
123
62
12
0.016
Ω
0.20%
0.40%
143
71
10
0.010
Ω
0.13%
0.25%
160
80
10 ft.
18
0.126
Ω
1.58%
3.15%
48
24
16
0.080
Ω
1.00%
2.00%
67
33
14
0.050
Ω
0.63%
1.25%
89
44
12
0.032
Ω
0.40%
0.80%
111
56
10
0.020
Ω
0.25%
0.50%
133
67
20 ft.
18
0.252
Ω
3.15%
6.30%
27
14
16
0.160
Ω
2.00%
4.00%
40
20
14
0.100
Ω
1.25%
2.50%
57
29
12
0.064
Ω
0.80%
1.60%
77
38
10
0.040
Ω
0.50%
1.00%
100
50
40 ft.
18
0.504
Ω
6.30%
12.60%
15
7
16
0.320
Ω
4.00%
8.00%
22
11
14
0.200
Ω
2.50%
5.00%
33
17
12
0.128
Ω
1.60%
3.20%
48
24
10
0.080
Ω
1.00%
2.00%
67
33
8
0.050
Ω
0.63%
1.25%
89
44
80 ft.
16
0.640
Ω
8.00%
16.00%
12
6
14
0.400
Ω
5.00%
10.00%
18
9
12
0.256
Ω
3.20%
6.40%
27
14
10
0.160
Ω
2.00%
4.00%
40
20
8
0.100
Ω
1.25%
2.50%
57
29
160 ft.
14
0.800
Ω
10.00%
20.00%
10
5
12
0.512
Ω
6.40%
12.80%
14
7
10
0.320
Ω
4.00%
8.00%
22
11
8
0.200
Ω
2.50%
5.00%
33
17
320 ft.
12
1.024
Ω
12.80%
25.60%
8
4
10
0.640
Ω
8.00%
16.00%
12
6
8
0.400
Ω
5.00%
10.00%
18
9
Table 3.69 Speaker Wire Table