Technical data
Chapter 4: Installation   
SP40S Multi-Function Facility Communication System Manual, Revision L 
8 
Wire Distance Chart For 25V Speaker Line in feet 
Watts 
12 AWG 
14 AWG 
16 AWG 
18 AWG 
5 
2179 
1374 
865 
543 
10 
1090 
687 
432 
271 
15 
726 
458 
288 
181 
20 
545 
344 
216 
136 
25 
436 
275 
173 
109 
30 
363 
229 
144 
90 
35 
311 
196 
124 
78 
40 
272 
172 
108 
68 
Wire Distance Chart For 70V Speaker Line in feet 
Watts 
12 AWG 
14 AWG 
16 AWG 
18 AWG 
5 
17087 
10775 
6780 
4256 
10 
8543 
5387 
3390 
2128 
15 
5696 
3592 
2260 
1419 
20 
4272 
2694 
1695 
1064 
25 
3417 
2155 
1356 
851 
30 
2848 
1796 
1130 
709 
35 
2441 
1539 
969 
608 
40 
2136 
1347 
847 
532 










