L-Acoustics 12XT Manuel D'utilisation page 13

The following table provides information regarding the recommended length versus wire cross-section. Two cases are
possible depending on the impedance load connected to the LA4 (8 Ω for a single 12XT enclosure, 4 Ω for two 12XT
enclosures in parallel):
Table 1: Maximum wire length versus cross-section for Damping Factor > 20
Cross-section
2
mm SWG
2.5 15
4 13
6 11
10 9
According to the calculation in Table 1 one SP25 cable (4mm², 25m) can be used to power two 12XT in parallel (4 Ω
load) with a damping factor still greater than 20.
12XT_UM_ML_1.2
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Length for one 12XT / 8 Ω
AWG m
13 30
11 50
9 74
7 120
w w w . l - a c o u s t i c s . c o m
Length for two 12XT / 4 Ω
ft m
100 15
160 25
240 37
390 60
EN
ft
50
80
120
195
11 en