L-Acoustics 8XTi Manuel D'utilisation page 11

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8 8 8 8 XT
XT
XT
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i
COAXIAL ENCLOSURE
COAXIAL ENCLOSURE
COAXIAL ENCLOSURE
COAXIAL ENCLOSURE
user manual
user manual
user manual
user manual
VERSION 1.1
Figure 3: Connecting two 8XTi in parallel to the LA4 / LA4X amp channel #1
!
To ensure both high performance and safety, L-ACOUSTICS
high-quality, fully insulated speaker cables made of stranded copper wire.
In order to preserve a high damping factor it is desirable to keep loudspeaker cables as short as
possible and with a gauge offering low resistance per unit length.
IMPORTANT
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 / LA4X (8 Ω for a single 8XTi enclosure, 4 Ω for two
8XTi enclosures in parallel):
Table 1: Maximum cable length versus conductor 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 (4 mm², 25 m) can be used to power two 8XTi in parallel (4 Ω
load) with a damping factor still greater than 20.
8XTI_UM_ML_1-1
SP.7, SP10, or SP25
Length for one 8XTi (8 Ω load)
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
SP.7,
SP10,
or SP25
®
recommends the exclusive use of
Length for two 8XTi (4 Ω load)
ft
m
100
15
160
25
240
37
390
60
ft
50
80
120
195
10 en
10
10
10

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