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HOOKUP DIAGRAM
Balanced XLR Connectors
There is also a male XLR connector labeled LOOP
OUT. This is also wired according to the above AES
standard.
The LOOP OUT connector allows you to connect
more than one SR1521z to your system. Simply plug the
signal source (i.e., mixer output) into the rst MAIN
INPUT jack, and patch that speaker’s LOOP OUT jack
to the next MAIN INPUT jack, and so on, daisy-chaining
multiple speakers.
CONNECTIONS
DAISY-CHAINING MULTIPLE SR1521z' S
The SR1521z has one female XLR input that accepts
a balanced line-level signal. When connecting a balanced
signal, be sure it’s wired per AES (Audio Engineering
Society) standards:
XLR
Hot (+) Pin 2
Cold (–) Pin 3
Shield (Ground)
Pin 1
The LOOP OUT jack is wired straight from the MAIN
INPUT connector — there is no electronic circuitry
between — so the signal coming out of the LOOP OUT
jack is exactly the same as the signal going in.
PLACEMENT
The SR1521z speaker is designed to sit on the oor or
stage. It can be pole-mounted via the built-in socket on
the bottom of the cabinet. Be sure the pole is capable of
supporting the weight of the SR1521z.
WARNING: The cabinet has no rig-
ging points and is not suitable for
rigging. NEVER attempt to suspend
the SR1521z by its handles.
You can create a horizontal array by placing the cabi-
nets side-by-side. However, you should have a good un-
derstanding of the relationship between the splay angle
(the angle between the facing sides of the cabinets),
the on-axis power, and frequency cancellation effects
between cabinets.
When two cabinets are placed side-by-side, the actual
splay angle is 20º (determined by a 10º angle on each
cabinet side). As the splay angle increases toward the
angle of horizontal coverage (90º for the SR1521z), the
on-axis power decreases, but the frequency response be-
comes smoother as the comb-ltering effects (caused by
the interaction in the area of double-coverage) decrease.
As with any powered components,
protect them from moisture. If you
are setting them up outdoors, make
sure they are under cover if you
expect rain.
SR1521Z
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
SR1521Z
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
SR1521Z
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
SR1521Z
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
Mixer or
Pr
eam
p
lifier
Right
Line level
Output
Left
Line level
Output
To Next
Speaker
To Next
Speaker
1202-VLZPRO