QSC KW181 Manual - Free PDF Download

Page 2 - IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS; exit from the loudspeaker.

2 EN IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS WARNING! CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE AMPLIFIER COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. The lightning flash with the arrowhead symbol within an equilateral triang...

Page 3 - QSC Audio Products 3 Year Limited Warranty; FCC Statement; is a registered trademark of QSC Audio Products, LLC

3 EN 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...

Page 4 - Package Contents; Birch plywood enclosure; Features

4 EN Package Contents KW122, KW152, KW153 (1) Loudspeaker system (1) Locking NEMA 5-15 power cable (1) Locking CEE 7/4 power cable (1) User Manual CD (1) Wiring hookup diagram KW181 (1) Subwoofer system (1) Locking NEMA 5-15 power cable (1) Locking CEE 7/4 power cable (1) User Manual CD (1) Wiring h...

Page 7 - Subwoofer

7 EN KW181– Single 18 " Subwoofer 1. Birch 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 stacking 7 9 2 9 3 1 9 5 9 6 7 7 8 8 8 4 8 1

Page 8 - Applications

8 EN Applications The KW Series has been primarily designed for portable audio reinforcement. This includes a variety of uses in reinforcement for entertainers and presenters. The KW122, KW152 and KW153 are all designed to perform well on their own in full-range audio. They can be used singly, in st...

Page 9 - Installation; Recommended Deployment; loudspeaker support pole.

9 EN Installation 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...

Page 10 - AC Mains; Use only the power cable that is correct for your location.; AC Mains Disconnection

10 EN Integrated Suspension Points (suspended installations) WARNING! When suspending the loudspeakers, installation must be accomplished by or under the supervision of a licensed installation professional. All applicable building codes must be followed. The KW122 enclosure has eight, and the KW152 ...

Page 11 - System Power Sequencing; Input Connections

11 EN If the rear POWER LED does not illuminate when the POWER switch is placed in the ON position during the first 5 minutes of power being applied, verify the AC mains power cord is properly attached to the loudspeaker and plugged into the AC source outlet. Verify the outlet is functioning properl...

Page 13 - Unbalanced Inputs; Ground; Channel A LINE IN Combination

13 EN Unbalanced Inputs Connect to the plug as shown. If a 3 conductor (TRS) plug is used to connect an unbalanced source, Pin 3 and pin 1 must be connected with a jumper as shown. 1 = Shield (ground) 2 = Plus (+) 3 = Minus (-) Ground — Inverting Input + Non-inverting Input Unbalanced Inputs XLR Con...

Page 14 - Output Connections; Channel A Line Level Discrete Output

14 EN Output Connections KW122, KW152, KW153 Both Channel A and Channel B have discrete, direct outputs on female XLR connectors. The signal on this output is exactly equivalent to the signal from the corresponding input. The level of the output signal is not affected by the gain setting for that ch...

Page 16 - DSP Features; Proprietary DSP Functions; Intrinsic CorrectionTM:; DSP User Functions

16 EN 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 managemen...

Page 17 - Subwoofer Polarity; individually

17 EN High-frequency EQ On the KW122, KW152 and KW153 there are two high-frequency settings. From the factory, the switch is set to FLAT. This means that the loudspeaker system is producing a flat response through the vocal band. This is the standard setting for most applications. In voice-only repr...

Page 18 - Additional Features; Standby

18 EN Additional Features Standby All KW Series models are equipped with an automatic standby feature to conserve energy when the systems are not in use. If no signal is present on any input, or the gain knob is turned to off for five minutes, the power amplifier goes into standby and the green STBY...

Page 19 - Wiring to the 3 pin “Euro” connector.

19 EN Remote Gain Attenuator A 3-pin “Euro” connector is provided to attenuate the volume of the KW Series loudspeaker or put the system into standby from a remote location. The Remote Gain connector can only attenuate the output signal level below the level set by the Channel A and Channel B Gain k...

Page 20 - Input Hookup

Page 21 - Output Hookup

Page 24 - Common Stereo System

24 EN LEFT RIGHT 12 24 12 24 Common Stereo System LEFT RIGHT

Page 25 - Dimensions

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 28 - QSC Audio Products, LLC

Mailing Address: QSC Audio Products, LLC 1675 MacArthur Boulevard Costa Mesa, CA 92626-1468 USA Telephone Numbers: Main Number: 714-754-6175 Sales & Marketing: 714-957-7100 or toll free (USA only) 800-854-4079 Customer Service: 714-957-7150 or toll free (USA only) 800-772-2834 Facsimile Numbers:...