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16. WARNING! Before placing, installing, rigging, or suspending any speaker product, inspect all hardware, suspension, cabinets, transducers, 

brackets and associated equipment for damage. Any missing, corroded, deformed, or non-load rated component could significantly 
reduce the strength of the installation or placement. Any such condition severely reduces the safety of the installation and should be 
immediately corrected. Use only hardware which is rated for the loading conditions of the installation and any possible short-term, 
unexpected overloading. Never exceed the rating of the hardware or equipment. 

17.  WARNING! Consult a licensed, professional engineer regarding physical equipment installation. Ensure that all local, state and national 

regulations regarding the safety and operation of equipment are understood and adhered to. 

18. WARNING! KW122 – Do not use a loudspeaker support pole longer than 46

"

 (1168 mm) when supported by QSC’s KW181 subwoofer. The 

maximum distance between the bottom of the KW122, and the top of the KW181 shall not exceed 43

"

 (1092 mm).

19. WARNING! KW152 – Do not use a loudspeaker support pole longer than 36

"

 (914 mm) when supported by QSC’s KW181 subwoofer. The 

maximum distance between the bottom of the KW152, and the top of the KW181 shall not exceed 33

"

 (838 mm).

20. WARNING! KW153 – Do not use a loudspeaker support pole longer than 36

"

 (914 mm) when supported by QSC’s KW181 subwoofer. The 

maximum distance between the bottom of the KW153, and the top of the KW181 shall be 33

"

 (838 mm).

21.  CAUTION: The loudspeaker shall not be exposed to liquids. Do not place any objects filled with liquids, such as vases, drinks, etc. on       

the loudspeaker.

Warranty (USA only; other countries, see your dealer or distributor)

QSC Audio Products 3 Year Limited Warranty

QSC Audio Products, LLC (“QSC”) guarantees its products to be free from defective material and/or workmanship for a period of three (3) years from 
the date of sale and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installa-
tion and use – provided the unit is returned to our factory or one of our authorized service stations via prepaid transportation with a copy of proof of 
purchase (i.e., sales receipt). This warranty provides that the examination of the returned product must indicate, in our judgement, a manufacturing 
defect. This warranty does not extend to any product which has been subjected to misuse, neglect, accident, improper installation, or where the date 
code has been removed or defaced. QSC shall not be liable for incidental and/or consequential damages. This warranty gives you specific legal rights. 
This limited warranty is freely transferable during the term of the warranty period.
Customer may have additional rights, which vary from state to state.
In the event that this product was manufactured for export and sale outside of the United States or its territories, then this limited warranty shall not 
apply. Removal of the serial number on this product, or purchase of this product from an unauthorized dealer will void this limited warranty.
Periodically, this warranty is updated. To obtain the most recent version of QSC’s warranty statement, please visit www.qscaudio.com.
Contact us at 800-854-4079 or visit our website at www.qscaudio.com.

FCC Statement

NOTE:

 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. 

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses 
and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio 
communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful 
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct 
the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

© Copyright 2010, QSC Audio Products, LLC 
QSC

®

 is a registered trademark of QSC Audio Products, LLC 

“QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office 
All trademarks are the property of their respective owners. 

Summary of Contents for KW181

Page 1: ...000 W active 12 300 mm 2 way loudspeaker system KW152 60 1000 W active 15 380 mm 2 way loudspeaker system KW153 75 1000 W active 15 380 mm 3 way loudspeaker system KW181 18 460 mm 1000 W subwoofer sys...

Page 2: ...plifier that produces heat and requires ventilation 8 CAUTION Do not install near any heat sources such as radiators heat registers stoves or other loudspeaker including amplifiers that produce heat 9...

Page 3: ...of of purchase i e sales receipt This warranty provides that the examination of the returned product must indicate in our judgement a manufacturing defect This warranty does not extend to any product...

Page 4: ...5 power cable 1 Locking CEE 7 4 power cable 1 User Manual CD 1 Wiring hookup diagram 1 M20 threaded loudspeaker pole KW122 12 2 Way Loudspeaker System 1 Birch plywood enclosure 2 Steel grille 3 Front...

Page 5: ...Birch plywood enclosure 2 Steel grille 3 Front LED 4 Cast aluminum handles 2 5 1000 W Class D power module 6 M10 rigging points 11 7 Tilt Direct dual angle pole socket 8 Slip resistant feet 6 6 2 4 6...

Page 6: ...System 1 Birch plywood enclosure 2 Steel grille 3 Front LED 4 Cast aluminum handles 2 5 1000 W Class D power module 6 M10 rigging points 11 7 35 mm pole socket 8 Slip resistant feet 6 6 8 2 3 8 4 6 5...

Page 7: ...plywood enclosure 2 Steel grille 3 Front LED 4 Cast aluminum handles 2 5 1000 W Class D power module 6 M20 threaded pole receptacle 7 3 heavy duty casters 8 Slip resistant feet 9 Feet cups for stacki...

Page 8: ...features the QSC Tilt Direct system for tilting the enclosures down 7 5 while on a pole The pole socket on the KW153 does not allow tilting WARNING When suspending the loudspeakers installation must b...

Page 9: ...eaker poles available from third party suppliers Rubber feet on the enclosure s bottom help to minimize enclosure movement during operation Do not pole mount or stack more than one enclosure on top of...

Page 10: ...s AC Mains Ensure that the POWER switch is not in the ON position before connecting AC power Connect the AC power cord to the AC INLET IEC socket on the back of the amplifier by inserting the cord s I...

Page 11: ...ing your speakers to its minimum position Turn on all source devices CD players mixers instruments turn on subwoofer s then turn on the top boxes KW122 KW152 KW153 The level controls on your mixer may...

Page 12: ...GAIN knob If the LED does not illuminate the input is not receiving any signal or the level of the signal is too low check all connections and the status of the device delivering the signal Channel B...

Page 13: ...hannel B they are summed together The gain of the summed signal is then controlled using the GAIN knob This affects the amount of signal sent to the amplifier and then to the loudspeaker components 1...

Page 14: ...sent on the Channel B direct line level output The LINE OUT POST GAIN MIX female XLR connector is a mixed output of Channel A Channel B and the RCA phono jacks This mix is affected by gain knobs on bo...

Page 15: ...ponding input The level of the output signal is not affected by the gain set on the subwoofer gain knob If a unit is OFF any signal present on MIC LINE IN A or LINE IN B passes through to the respecti...

Page 16: ...g algorithms that address correctable characteristics of transducers and waveguides The net result is that any KW Series system will present extraordinarily even and consistent energy throughout the p...

Page 17: ...he maximum output This is most important for low frequencies Polarity can be altered by incorrect wiring or mixer control settings The KW181 provides a polarity switch to correct any wiring or mixer s...

Page 18: ...itch is in the OFF position the front LED is not illuminated This setting is recommended in applications where the front LED may be visually objectionable When the FRONT LED switch is in the LIMIT pos...

Page 19: ...an external source Many KW Series systems can be controlled from a single potentiometer by connecting the pins of multiple KW Series speakers together A relay or manual connection can be made between...

Page 20: ...20 EN 12 24 12 24 Input Hookup...

Page 21: ...21 EN Output Hookup 12 24 12 24 12 24...

Page 22: ...22 EN OR 12 24 12 24 Output Hookup OR...

Page 23: ...23 EN 12 24 12 24 Common Standalone Small System Mono...

Page 24: ...24 EN LEFT RIGHT 12 24 12 24 Common Stereo System LEFT RIGHT...

Page 25: ...25 EN Dimensions 15 4 391 mm 26 662 mm KW122 Dimensions 15 381 mm KW152 Dimensions 15 2 386 mm 15 2 386 mm 32 1 816 mm 17 5 445 mm...

Page 26: ...26 EN KW153 Dimensions 43 1 1096 mm 16 8 427 mm 18 5 469 mm KW181 Dimensions 23 4 595 mm 29 9 761 mm 20 1 510 mm...

Page 27: ...Gain LF Mode Normal DEEP Polarity Normal Reverse Front LED On Off Limit Indicators Power Signal A Signal B Standby Limit Mic 24 dB and 36 dB settings Power Signal Standby Limit Connectors Balanced fem...

Page 28: ...Customer Service FAX 714 754 6173 World Wide Web qscaudio com E mail info qscaudio com service qscaudio com KW Series User Manual 04 12 10 2010 QSC Audio Products LLC All rights reserved QSC and the Q...

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