Cinema Sound Speaker Owner's Guide
5
CONNECTIONS
A
fter placing the speakers, you are ready to connect your system.
First, turn off all audio-system power. Use high-quality speaker wire
t
o make your connections; #18-gauge speaker wire with polarity cod-
ing is recommended. For longer distances, #16-gauge or heavier wire
i
s recommended. The side of the wire with a ridge or other coding is
usually considered positive polarity (i.e., +). Also, consult the owner’s
m
anuals that were included with your amplifier or receiver to confirm
connection procedures. Observe polarities when making speaker
c
onnections, as shown in Figure 4. Connect each + terminal on the
back of the amplifier or receiver to the respective + (red) terminal
on each speaker. Connect the – (black) terminals in the same way.
Important!
D
o not reverse polarities (i.e., + to –, or – to +) when making
connections. Doing so will cause poor imaging and diminished
bass response. Be certain that positive and negative wire strands
are completely isolated to avoid short circuits that may damage your
equipment.
NOTE: On certain models using hexagonal terminal nuts, a small
socket wrench is provided to help in properly tightening the terminals.
Hand-tighten only and do not overtighten.
Figure 4. Wiring diagram shows polarity connections
for one channel of a home theater system.
MAINTENANCE AND SERVICE
The enclosure may be cleaned using a soft cloth to remove finger-
p
rints or to wipe off dust.
All wiring connections should be inspected and cleaned or remade
periodically. The frequency of maintenance depends on the metals
i
nvolved in the connections, atmospheric conditions and other
factors, but once per year is the minimum.
If a problem occurs, make sure that all connections are properly
made and clean. If a problem exists in one loudspeaker, reverse the
connection wires to the left and right system. If the problem remains
in the same speaker, then the fault is with the loudspeaker. If the
problem appears in the opposite speaker, the cause is in another
component or cable. In the event that your speaker ever needs
s
ervice, contact your local JBL dealer or distributor, or visit
www
.jbl.com for a service center near you.
Receiver or Amplifier
(rear view)
Output
Black= –
Red =+
Red =+
Loosen
Terminal
Insert Bare
End; Tighten
Terminal
Black =–
No Stripe = –
S
tripe = +
Speaker Wire
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