Mircom FleXNet FNC-2000 Installation And Operation Manual page 98

Audio Amplifier Wiring
Total
Power
Watts
15
30
60
Notes for Wiring Charts:
1. For each speaker zone, select the total zone power.
2. Distance shown is calculated to the last speaker, based on the worst case with all speakers lumped
at the end.
3. Calculation is based on a 1db power loss (20%) and a source of 70V or 25V.
Total
Power
Watts
15
30
60
94
Table 12: Wiring Chart for 70V Speakers
Maximum Wiring Run To Last Device (ELR)
18AWG 16AWG
ft m ft
2500 762 4000
1500 457 2500
750 228 1200
Table 13: Wiring Chart for 25V Speakers
Maximum Wiring Run To Last Device (ELR)
18AWG 16AWG
ft m ft
625 190 1000
375 114 625
187 57 300
14AWG
m ft m
1219 6000 1828
762 4000 1219
365 2000 609
14AWG
m ft m
305 1500 457
191 1000 305
91 500 152
12AWG
ft m
8000 2438
6000 1828
3500 1066
12AWG
ft m
2000 609
1500 457
875 267