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DSP Features

The KW Series features advanced DSP (digital signal processing) circuitry that performs many functions. Some functions are set at the design/
production level and are not user accessible. These functions include crossovers, time alignment, limiting and protection, thermal management 
and a number of proprietary features. QSC has designed exclusive DSP functions that greatly enhance the capabilities and performance of the                  
KW Series systems.

Proprietary DSP Functions

Excursion Limiting:

 In addition to signal limiting to protect the amplifier and transducers from overload, the KW Series utilizes a proprietary limiter 

that prevents woofer over-excursion. Over-excursion occurs when a voltage presented to the woofer causes the cone to physically travel too far. This 
builds up excessive heat, stresses the moving parts of the woofer, produces audible artifacts and distortion and reduces the woofer’s lifespan. The 

proprietary algorithm contained in Excursion Limiting prevents over-excursion. Voltages that will harm the woofer through over-excursion are reduced 

enough to prevent over-excursion without any audible compression, limiting or loss.

DEEP™: 

Taking advantage of the Excursion Limiter, the DEEP™ (Digital Extension and Excursion Processing) algorithm functions as a highly musical 

and non-distorting low-frequency EQ circuit. More on the DEEP function is available in the EQ section of this manual.

Intrinsic Correction™: 

Introduced on QSC Concert/Touring products, Intrinsic Correction is a proprietary process and set of signal processing 

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 physical listening area of the loudspeaker, resulting in a very musical, acoustically 
transparent system.

DSP User Functions

Low-frequency EQ

On the KW122, KW152 and KW153, there are three low-frequency settings. From the factory, the switch 
is set to NORM. This means that the loudspeaker system is producing a normal low-frequency signal 
through the woofer. This is the standard setting for most applications. 

When using one of the top boxes with a subwoofer, the switch should be moved to the EXT SUB 
position to engage the 100 Hz high-pass filter. It is also recommended that the 100 Hz high-pass filter be 
engaged when using the KW122 as a floor monitor to prevent excessive bass build up on the stage.

For extra low-frequency extension and low-end presence when using one of the top boxes without 
a sub, move the switch to the DEEP™ setting. This will engage the proprietary DEEP™ algorithm, 
providing increased low-frequency extension without causing distortion or woofer over-excursion. 

On the KW181 there are two low-frequency settings. From the factory, the MODE switch is set to 
NORMAL. This means that the subwoofer system is producing a minimally EQ’d low-frequency signal 
through the woofer. This is the standard setting for most applications.

For extra low-frequency extension and low-end presence, move the switch to the DEEP™ setting. This 
will engage the proprietary DEEP algorithm, providing increased low-frequency extension without 
causing distortion or woofer over-excursion.

KW122, KW152, KW153 Low-frequency 

EQ Switch

KW181 Low-frequency Mode Switch

Содержание KW181

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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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