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S225 TWO-WAY
LOUDSPEAKER
USER'S MANUAL


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2
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the
manufacturer's instructions.
8. Do not install near any heat sources such as radiators, heat registers,
stoves, or other apparatus (including amplifiers) that produce heat.
9. Only use attachments/accessories specified by the manufacturer.
10. Use only with a cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use
caution when moving the cart/apparatus combination to avoid injury
from tip-over.
11. Refer all servicing to qualified service personnel. Servicing is required
when the apparatus has been damaged in any way, such as power-
supply cord or plug is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been exposed to rain or
moisture, does not operate normally, or has been dropped.
12. Exposure to extremely high noise levels may cause permanent hearing
loss. Individuals vary considerably in susceptibility to noise-induced
hearing loss, but nearly everyone will lose some hearing if exposed to
sufficiently intense noise for a period of time. The U.S. Government's
Occupational Safety and Health Administration (OSHA) has specified
the permissible noise level exposures shown in the following chart.
According to OSHA, any exposure in excess of these permissible limits
could result in some hearing loss. To ensure against potentially danger-
ous exposure to high sound pressure levels, it is recommended that all
persons exposed to equipment capable of producing high sound pres-
sure levels use hearing protectors while the equipment is in operation.
Ear plugs or protectors in the ear canals or over the ears must be worn
when operating the equipment in order to prevent permanent hearing
loss if exposure is in excess of the limits set forth here.
IMPORTANT SAFETY INSTRUCTIONS
WARNING -- To reduce the risk of
fire or electric shock, do not expose this
apparatus to rain or moisture.
Duration Per Day
Sound Level dBA,
Typical
In Hours
Slow Response
Example
8
90
Duo in small club
6
92
4
95
Subway Train
3
97
2
100
Very loud classical music
1.5
102
1
105
Tami screaming at Adrian about deadlines
0.5
110
0.25 or less
115
Loudest parts at a rock concert
PORTABLE CART WARNING
Carts and stands - The
Component should be used
only with a cart or stand
that is recommended by
the manufacturer.
A Component and cart
combination should be
moved with care. Quick
stops, excessive force, and
uneven surfaces may cause
the Component and cart
combination to overturn.


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CONTENTS
IMPORTANT SAFETY INSTRUCTIONS .................................................................................................2
INTRODUCTION ........................................................................................................................................3
HOOKUP DIAGRAMS ...............................................................................................................................4
Quick-Start........................................................................................................................................................................... 4
CONNECTIONS ......................................................................................................................................... 6
PLACEMENT ............................................................................................................................................... 6
Room Acoustics .................................................................................................................................................................. 6
SERVICE INFORMATION ......................................................................................................................... 8
Warranty Service ............................................................................................................................................................... 8
Troubleshooting ................................................................................................................................................................ 8
Repair .................................................................................................................................................................................... 8
CARE AND MAINTENANCE .................................................................................................................... 9
S225 SPECIFICATIONS .............................................................................................................................. 9
S225 LIMITED WARRANTY ....................................................................................................................11
Don't forget to visit our website at www.mackie.com
for more information about this and other Mackie products.
INTRODUCTION
Connecting and setting up the S225 is a breeze. It
accepts a speaker-level signal via either a Neutrik
Speakon® connector or female 1/4-inch TS (Tip/Sleeve)
connector.
The cabinet is constructed using both 18 mm multi-
layer plywood and pressure injected structural resin.
A carrying handle is integrated into each side for easy
loading and transport.
Thank you for choosing the Mackie S225 sound rein-
forcement loudspeakers.
The S225 is a professional two-way loudspeaker
system, designed to complement our professional pow-
ered mixers and power amplifiers. They are capable of
extremely high sound pressure levels, and designed to
give you the best performance of any loudspeaker in its
class and price range.
The S225 features two 15-inch high-power low-fre-
quency woofers and a 1.75-inch titanium diaphragm
high-output compression driver. The woofers incoporate
technology used in large-format touring systems and,
with a precision 2.5-inch high-temperature voice coil, is
virtually indestructible.
Part No. 0013880 Rev. B 06/05
©2004-2005 LOUD Technologies Inc. All Rights Reserved.


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4
HOOKUP DIAGRAMS
Quick-Start
Make all initial connections with the
power switches OFF on all equip-
ment. Make sure all master volume,
level, or gain controls are all the way
down.
1.
Connect the line-level outputs from your mixing
console (or other signal source) to the inputs of
your power amplifier.
S225: WITH A MIXER AND TWO POWER AMPLIFIERS
2.
Connect the "Speaker Output" from your power
amplifier (or powered mixer) to the INPUT connec-
tor on the S225.
3.
Turn on your mixing console (or other signal
source).
4.
Turn on the amplifier. Turn up its volume or gain
control(s) as recommended by the manufacturer.
5.
Start the signal source, whether it be speaking
into a microphone or starting a CD player. Adjust
the volume controls on the mixer (or other signal
source) for normal operation.
S225: WITH A MIXER AND POWER AMPLIFIER
SERIAL NUMBER
MANUFACTURING DATE
SERIAL NUMBER
MANUFACTURING DATE
S225
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. · COPYRIGHT ©2004
NOMINAL
IMPEDANCE:
4
OHMS
POWER
HANDLING:
CONT
/700W
·
PEAK
/2800W
PIN
1
+
+
PIN
1
-
-
TIP
+
SLEEVE
-
1/4"
NL4
SERIAL NUMBER
MANUFACTURING DATE
SERIAL NUMBER
MANUFACTURING DATE
S225
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. · COPYRIGHT ©2004
NOMINAL
IMPEDANCE:
4
OHMS
POWER
HANDLING:
CONT
/700W
·
PEAK
/2800W
PIN
1
+
+
PIN
1
-
-
TIP
+
SLEEVE
-
1/4"
NL4
S225
S225
Mixer or
Preamplifier
Right
Line-level
Output
Left
Line-level
Output
Stereo
Power Amplifier
1202-VLZ PRO
S225
1202-VLZ PRO
Stereo Power Amplifier
Stereo Power Amplifier
From LEFT
SPEAKER OUT
From RIGHT
SPEAKER OUT
From LEFT
SPEAKER OUT
From RIGHT
SPEAKER OUT
Line-level
THRU Connection
S225
S225
S225


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5
SERIAL NUMBER
MANUFACTURING DATE
SERIAL NUMBER
MANUFACTURING DATE
S225
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. · COPYRIGHT ©2004
NOMINAL
IMPEDANCE:
4
OHMS
POWER
HANDLING:
CONT
/700W
·PEAK
/2800W
PIN
1
+
+
PIN
1
-
-
TIP
+
SLEEVE
-
1/4"
NL4
S225
SERIAL NUMBER
MANUFACTURING DATE
SERIAL NUMBER
MANUFACTURING DATE
S225
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. · COPYRIGHT ©2004
NOMINAL
IMPEDANCE:
4
OHMS
POWER
HANDLING:
CONT
/700W
·PEAK
/2800W
PIN
1
+
+
PIN
1
-
-
TIP
+
SLEEVE
-
1/4"
NL4
S225
SERIAL NUMBER
MANUFACTURING DATE
SERIAL NUMBER
MANUFACTURING DATE
S225
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. · COPYRIGHT ©2004
NOMINAL
IMPEDANCE:
4
OHMS
POWER
HANDLING:
CONT
/700W
·PEAK
/2800W
PIN
1
+
+
PIN
1
-
-
TIP
+
SLEEVE
-
1/4"
NL4
S225
SERIAL NUMBER
MANUFACTURING DATE
SERIAL NUMBER
MANUFACTURING DATE
S225
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. · COPYRIGHT ©2004
NOMINAL
IMPEDANCE:
4
OHMS
POWER
HANDLING:
CONT
/700W
·PEAK
/2800W
PIN
1
+
+
PIN
1
-
-
TIP
+
SLEEVE
-
1/4"
NL4
S225
Mixer or
Preamplifier
Right
Line-level
Output
Left
Line-level
Output
Stereo
Power Amplifier
1202-VLZ PRO
S225: WITH A MIXER AND POWER AMPLIFIER, USING THE 1/4" THRU JACKS
S225: WITH A MIXER, TWO POWER AMPLIFIERS, AND TWO S218S SUBWOOFERS
The S225s can be used with the Mackie S218s subwoofers to create an incredibly powerful
system. The FR Series M·1400 power amplifiers have a built-in subwoofer crossover. If you are not
using a Mackie M·1400 amplifier, you can use an active crossover between the first and second
amplifiers with the crossover set between 125 Hz to 180 Hz. This allows more amplifier power for
the low frequencies rather than being wasted as heat in the S218s' internal built-in crossover.
S225
1202-VLZ PRO
Stereo Power Amplifier
From LEFT
SPEAKER OUT
From RIGHT
SPEAKER OUT
Line-level
THRU Connection
S225
S218s
Mackie M·1400 Power Amplifier
Subwoofer Mode
S218s