10
21
3
21
3
Signal ground (shield)
Left-channel
XLR male
line-mount
(rear view)
Twisted pair
Right-channel
XLR male
line-mount
(rear view)
12
3
XLR female
line-mount
(rear view)
Twisted pair
Signal ground
(shield)
Figure 10: Balanced
bridging cable
2. Connect the bridging cable's male XLR-type connectors to the
Nº27.5's left- and right-channel XLR-type inputs, taking care to
insert the correct cable end into its designated channel.
3. Connect the left-channel + (positive or red) output post of the
Nº27.5 to the + (positive or red) input terminal of the appropriate
loudspeaker. Connect the right-channel + (positive or red) output
post of the Nº27.5 to the – (negative or black) input terminal of
the same loudspeaker.
4. Repeat this procedure for the other Nº27.5 to be bridged.
If your preamplifier provides only single-ended output, follow the steps
below.
Single-ended
bridged operation
Figure 11: Connections for
single-ended bridged
operation
PUSHPUSH
–+
Loudspeaker
+–
Nº27.5
–+
From preamplifier
single-ended main output
Bridging cable
Right
channel
Left
channel
1. Connect the appropriate channel of your preamplifier's single-
ended main output to the left-channel RCA-type input on the
rear panel of the Nº27.5.
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