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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.
Cable Wire Cable Power Loss, Power Loss, Damping Damping
Length Gauge Resistance 8Ω Load 4Ω Load Factor, Factor,
8Ω Load 4Ω Load
5 ft. 18 0.063Ω 0.79% 1.58% 78 39
16 0.040Ω 0.50% 1.00% 100 50
14 0.025Ω 0.31% 0.63% 123 62
12 0.016Ω 0.20% 0.40% 143 71
10 0.010Ω 0.13% 0.25% 160 80
10 ft. 18 0.126Ω 1.58% 3.15% 48 24
16 0.080Ω 1.00% 2.00% 67 33
14 0.050Ω 0.63% 1.25% 89 44
12 0.032Ω 0.40% 0.80% 111 56
10 0.020Ω 0.25% 0.50% 133 67
20 ft. 18 0.252Ω 3.15% 6.30% 27 14
16 0.160Ω 2.00% 4.00% 40 20
14 0.100Ω 1.25% 2.50% 57 29
12 0.064Ω 0.80% 1.60% 77 38
10 0.040Ω 0.50% 1.00% 100 50
40 ft. 18 0.504Ω 6.30% 12.60% 15 7
16 0.320Ω 4.00% 8.00% 22 11
14 0.200Ω 2.50% 5.00% 33 17
12 0.128Ω 1.60% 3.20% 48 24
10 0.080Ω 1.00% 2.00% 67 33
8 0.050Ω 0.63% 1.25% 89 44
80 ft. 16 0.640Ω 8.00% 16.00% 12 6
14 0.400Ω 5.00% 10.00% 18 9
12 0.256Ω 3.20% 6.40% 27 14
10 0.160Ω 2.00% 4.00% 40 20
8 0.100Ω 1.25% 2.50% 57 29
160 ft. 14 0.800Ω 10.00% 20.00% 10 5
12 0.512Ω 6.40% 12.80% 14 7
10 0.320Ω 4.00% 8.00% 22 11
8 0.200Ω 2.50% 5.00% 33 17
320 ft. 12 1.024Ω 12.80% 25.60% 8 4
10 0.640Ω 8.00% 16.00% 12 6
8 0.400Ω 5.00% 10.00% 18 9
Table 3.69 Speaker Wire Table