SPEAKER CABLE

Maximum Wire Lengths for Two Conductor Copper Wire

without exceeding 5% of the rated impedance of the system

Wire Size	2 ohm load	4 ohm load	6 ohm load	8 ohm load
22 AWG	3 feet max	6 feet max	9 feet max	12 feet max
20 AWG	5 feet max	10 feet max	15 feet max	20 feet max
18 AWG	8 feet max	15 feet max	23 feet max	30 feet max
16 AWG	12 feet max	25 feet max	37 feet max	50 feet max
14 AWG	20 feet max	40 feet max	----------	----------
12 AWG	31 feet max	----------	----------	----------
10 AWG	50 feet max	----------	----------	----------

Wire Gauge	Length ft (m)	Loss in (%) Impedance (1 Ohm)	Loss in (%) Impedance (2 Ohm)	Loss in (%) Impedance (4 Ohm)	Loss in (%) Impedance (8 Ohm)
18	10 - (3.05)	19.49	10.57	5.51	2.82
18	25 - (7.62)	39.33	23.44	12.94	6.82
18	50 - (15.24)	58.95	39.33	23.44	12.94
18	75 - (22.86)	70.22	50.62	32.10	18.45
18	100 - (30.48)	77.32	58.95	39.33	23.44
18	200 - (60.96)	89.83	77.32	58.95	39.33

16	10 - (3.05)	12.94	6.82	3.50	1.78
16	25 - (7.62)	27.98	15.76	8.41	4.35
16	50 - (15.24)	45.43	27.98	15.76	8.41
16	75 - (22.86)	57.09	37.64	22.24	12.21
16	100 - (30.48)	65.29	45.43	27.98	15.76
16	200 - (60.96)	82.09	65.29	45.43	27.98

14	10 - (3.05)	8.41	4.35	2.21	1.12
14	25 - (7.62)	19.10	10.34	5.39	2.75
14	50 - (15.24)	33.08	19.10	10.34	5.39
14	75 - (22.86)	43.63	26.61	14.90	7.91
14	100 - (30.48)	51.80	33.08	19.10	10.34
14	200 - (60.96)	71.28	51.80	33.08	19.10

12	10 - (3.05)	5.18	2.64	1.34	0.67
12	25 - (7.62)	12.21	6.41	3.29	1.67
12	50 - (15.24)	22.24	12.21	6.41	3.29
12	75 - (22.86)	30.60	17.46	9.38	4.87
12	100 - (30.48)	37.64	22.24	12.21	6.41
12	200 - (60.96)	57.09	37.64	22.24	12.21