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Mackie SA1521 User Manual: Hookup Diagram; Connections

2-way active speaker system.
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SIGNAL Present Indicator
This LED illuminates whenever there is
a signal present at the MAIN INPUT connec-
tor on the rear panel. It senses the signal
just after the Level control, so if the Level
control is turned down, the SIGNAL Present
indicator turns off.
LIMIT Indicator
The SA1521 has a built-in limiter that
prevents the amplifier outputs from clip-
ping or overdriving the transducers. The
LIMIT indicator lights when the limiter is
activated. It's okay for the LIMIT indicator
to blink occasionally, but if it blinks fre-
quently or lights continuously, turn down
the level control until the LIMIT indicator
only blinks occasionally.
THERMAL Indicator
There is also a thermal protection circuit
that monitors the internal temperature of

HOOKUP DIAGRAM

To Next
MAIN INPUT
Speaker
POWER
0dB
SA1521
SIGNAL
LOOP OUT
-15 +5
LIMIT
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
THERMAL
CONCEIVED AND DESIGNED BY MACKIE DESIGNS INC, WOODINVILLE, WA, USA
AND MACKIE EUROPE • COPYRIGHT ©2001 •
THE FOLLOWING ARE TRADEMARKS OR REGISTERED TRADEMARKS OF MACKIE DESIGNS INC.:
"MACKIE", AND THE "RUNNING MAN" FIGURE • PATENT PENDING
ON
CAUTION
WARNING:
THIS SURFACE MAY REACH HIGH TEMPERATURE DURING
STANDARD USE. TO ENSURE PROPER OPERATION ALLOW A MINIMUM OF 6 INS.
OF CLEARANCE FROM THIS SURFACE AND ADEQUATE VENTILATION. TO REDUCE
THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THIS PANEL OR ANY ATTACHED
RISK OF ELECTRIC SHOCK
DO NOT OPEN
COMPONENT. NO OPERATOR SERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED PERSONNEL. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS:
RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR
POWER
REPLACE WITH THE SAME TYPE FUSE AND RATING.
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE
SERIAL NUMBER
MANUFACTURING DATE
115V AC FUSE AC125V-T6.3A
CONNECTIONS
The SA1521 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 So-
ciety) standards:
Hot (+)
Cold (–)
Shield (Ground)
the amplifiers and heatsink. If the tempera-
ture should exceed a safe operating level,
this indicator lights and the signal is muted
to allow the amplifiers to cool. When the
temperature cools to a safe level once again,
the thermal protection circuit deactivates
and normal operation continues.
Note: Activation of the thermal protection
circuit is an indication that you should take
steps to avoid continued thermal problems.
See "Thermal Considerations" on page 6.
Power Switch
Use this switch to turn the SA1521 on
and off. Make sure the level control is
turned down before you turn it on.
AC Receptacle
This is where you connect the AC linecord
to provide AC power for the built-in power am-
plifiers. Plug the linecord into an AC socket
properly configured for your particular model.
DAISY-CHAINING MULTIPLE SA1521s
MAIN INPUT
POWER
0dB
SA1521
SIGNAL
LOOP OUT
-15 +5
LIMIT
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
THERMAL
CONCEIVED AND DESIGNED BY MACKIE DESIGNS INC, WOODINVILLE, WA, USA
AND MACKIE EUROPE • COPYRIGHT ©2001 •
THE FOLLOWING ARE TRADEMARKS OR REGISTERED TRADEMARKS OF MACKIE DESIGNS INC.:
"MACKIE", AND THE "RUNNING MAN" FIGURE • PATENT PENDING
Left
Line level
Output
ON
Mixer or
CAUTION
WARNING:
THIS SURFACE MAY REACH HIGH TEMPERATURE DURING
STANDARD USE. TO ENSURE PROPER OPERATION ALLOW A MINIMUM OF 6 INS.
OF CLEARANCE FROM THIS SURFACE AND ADEQUATE VENTILATION. TO REDUCE
THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THIS PANEL OR ANY ATTACHED
RISK OF ELECTRIC SHOCK
DO NOT OPEN
COMPONENT. NO OPERATOR SERVICEABLE PARTS INSIDE. REFER SERVICING TO
Preamplifier
QUALIFIED PERSONNEL. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS:
RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR
POWER
REPLACE WITH THE SAME TYPE FUSE AND RATING.
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE
SERIAL NUMBER
MANUFACTURING DATE
115V AC FUSE AC125V-T6.3A
XLR
Pin 2
Pin 3
Balanced XLR Connectors
Pin 1
MAIN INPUT
POWER
0dB
SA1521
SIGNAL
LOOP OUT
-15 +5
LIMIT
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
THERMAL
CONCEIVED AND DESIGNED BY MACKIE DESIGNS INC, WOODINVILLE, WA, USA
AND MACKIE EUROPE • COPYRIGHT ©2001 •
THE FOLLOWING ARE TRADEMARKS OR REGISTERED TRADEMARKS OF MACKIE DESIGNS INC.:
"MACKIE", AND THE "RUNNING MAN" FIGURE • PATENT PENDING
Right
Line level
Output
1202-VLZ PRO
ON
CAUTION
WARNING:
THIS SURFACE MAY REACH HIGH TEMPERATURE DURING
STANDARD USE. TO ENSURE PROPER OPERATION ALLOW A MINIMUM OF 6 INS.
OF CLEARANCE FROM THIS SURFACE AND ADEQUATE VENTILATION. TO REDUCE
THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THIS PANEL OR ANY ATTACHED
RISK OF ELECTRIC SHOCK
DO NOT OPEN
COMPONENT. NO OPERATOR SERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED PERSONNEL. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS:
RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR
POWER
REPLACE WITH THE SAME TYPE FUSE AND RATING.
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE
SERIAL NUMBER
MANUFACTURING DATE
115V AC FUSE AC125V-T6.3A
To Next
MAIN INPUT
Speaker
POWER
0dB
SA1521
SIGNAL
LOOP OUT
-15 +5
LIMIT
ACTIVE SOUND REINFORCEMENT
SPEAKER SYSTEM
THERMAL
CONCEIVED AND DESIGNED BY MACKIE DESIGNS INC, WOODINVILLE, WA, USA
AND MACKIE EUROPE • COPYRIGHT ©2001 •
THE FOLLOWING ARE TRADEMARKS OR REGISTERED TRADEMARKS OF MACKIE DESIGNS INC.:
"MACKIE", AND THE "RUNNING MAN" FIGURE • PATENT PENDING
ON
CAUTION
WARNING:
THIS SURFACE MAY REACH HIGH TEMPERATURE DURING
STANDARD USE. TO ENSURE PROPER OPERATION ALLOW A MINIMUM OF 6 INS.
OF CLEARANCE FROM THIS SURFACE AND ADEQUATE VENTILATION. TO REDUCE
THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THIS PANEL OR ANY ATTACHED
RISK OF ELECTRIC SHOCK
DO NOT OPEN
COMPONENT. NO OPERATOR SERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED PERSONNEL. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS:
RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR
POWER
REPLACE WITH THE SAME TYPE FUSE AND RATING.
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE
SERIAL NUMBER
MANUFACTURING DATE
115V AC FUSE AC125V-T6.3A
5

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