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12
ELEMENTS LENGTH / GUIDE PVC TUBES
Modello
No loop
External loop /
PVC tube
Central loop /
PVC tube
UB640-VL1.1
/
/
5,4 m. /
3 m.
UB640-VL1.3
5,4 m.
/
5,4
UB640-VL2.3
5,4 m.
5,4 m. /
3 m.
/
UB640-VL3.4
5,4 m.
5.4 m. /
3 m.
7,4 m. /
4,5 m
UB640 - VL3.4
180°
Normal
reflecti
Driver 1
Driver 2
Directr
R
e
fl
e
c
to
r
1
0
-4
0
c
o
n
d
u
c
to
r
1
0
-4
0
D
ri
v
e
r
1
0
-2
0
D
ri
v
e
r
1
0
-2
0
R
e
fl
e
c
to
r
1
0
-2
0
/
D
ri
v
e
r
3
0
-4
0
D
ir
e
c
to
r
1
0
-2
0
/
D
ri
v
e
r
3
0
-4
0
D
ir
e
c
to
r
1
0
-4
0
R
e
fl
e
c
to
r