Lectrosonics LCA16 - Manual (Page 16)

APPENDIX 1 - POWER LOSS vs CABLE RUN
The table below indicates power loss vs cable run for various wire gauges. Nominal output power for the LCA16 is 5
watts at 4 ohms and 3 watts at 8 ohms.
22 AWG Wire, 4 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 4.8W 4.5W .3W
50ft. 4.5W 4.0W .5W
100ft. 4.0W 3.2W .8W
250ft. 3.1W 1.9W 1.2W
18 AWG Wire, 4 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 4.9W 4.7W .2W
50ft. 4.7W 4.3W .4W
100ft. 4.4W 3.7W .7W
250ft. 3.6W 2.6W 1.0W
16 AWG Wire, 4 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 4.9W 4.8W .1W
50ft. 4.8W 4.6W .2W
100ft. 4.6W 4.2W .4W
250ft. 4.0W 3.2W .8W
22 AWG Wire, 8 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 2.9W 2.7W .2W
50ft. 2.7W 2.5W .2W
100ft. 2.5W 2.1W .4W
250ft. 2.0W 1.3W .7W
20 AWG Wire, 8 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 2.9W 2.8W .1W
50ft. 2.8W 2.6W .2W
100ft. 2.7W 2.4W .2W
250ft. 2.3W 1.7W .6W
18 AWG Wire, 8 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 3.0W 2.9W .1W
50ft. 2.9W 2.8W .1W
100ft. 2.8W 2.6W .2W
250ft. 2.5W 2.1W .4W
16 AWG Wire, 8 ohm load
Distance
Total Power Available Load Power Wire Loss
25ft. 3.0W 2.9W .1W
50ft. 2.9W 2.8W .1W
100ft. 2.9W 2.7W .2W
250ft. 2.7W 2.4W .3W
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