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MEDC DB4B UL Manuel Technique page 4

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On
Once termination is complete, carefully replace the cover assembly back onto the body, avoiding damage to the
c
t e
r e
m
n i
i t a
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p
mating surfaces. Tighten the cover screws evenly. Ensure the O-ring is seated correctly on the cover during re-
ma
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g i
ht
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assembly. Ensure the required maximum gap of 0.0015" (0.038mm) is maintained between the cover and the
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enclosure body once assembled.
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Wi
Wiring details
ri
g n
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DB4B STANDARD 70V LINE WIRING
DB
4
B
T S
A
N
D
A
R
D
For standard 70V line units (Note: units with other line voltages are available if specified when ordering), connect
Fo
s r
a t
nd
a
d r
7
0
V
i l
e n
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po
power connections to numbered terminals to obtain the required power rating (see section 4 for tapping table). For
w
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o c
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c e
o i t
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o to
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m
loop-out connections, use second set of numbered terminals.
lo -
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nn
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i t c
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, s
u
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Fo
For direct connection 8 Ohm units, connect power from amplifier to terminals as detailed, taking note of maximum
r
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8
O
lo
loudspeaker rating. Use second pair of terminals for loop-out connections as required.
u
s d
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r e
a r
n i t
. g
U
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s
DB4B 100V/70V/25V LINE WITH OPTIONAL
D
B4
B
1
0
0
V
/
7
0
V
/
2
5
V
CA
CAP AND/OR PPTC
P
A
N
D
Connect 70V line connections to terminals marked
Co
n
e n
t c
7
0
V
i l
e n
o c
n n
c e
'line' on PCB, looping-out as required. Use
'l
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P
C
B
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l
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supplied flying lead along with common loop-in,
p
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d
a
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g n
lo -
loop-out connections to select required power level
p o
ou
t
o c
n n
c e
o i t
s n
o t
e s
(s
(see section 4 for tapping table).
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or
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06/17
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DB
DB4B DIRECT CONNECTION (8!) WIRING
4
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C
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8 (
!
)
W
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f
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© Eaton MEDC Ltd 2017
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