QSC KW181 - User Manual

KW Series
User Manual
KW122 – 75° 1000 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 system
*TD-000315-00*
TD-000315-00-C

QSC KW181 Specifications

General

Impedance	38000 Ω
Subwoofer type	Active subwoofer
Number of subwoofers	1
Subwoofer peak power	2000 W
Subwoofer sensitivity	135 dB
Subwoofer frequency range	34 - 143 Hz
Subwoofer driver diameter (imperial)	18 \
XLR in	Yes
AC input voltage	100 - 240 V
Power source type	AC
AC input frequency	50 - 60 Hz
Product color	Black

Weight and Dimensions

Subwoofer depth	761 mm
Subwoofer width	595 mm
Subwoofer height	510 mm
Subwoofer weight	40000 g

Summary

Safety Precautions and Symbol Explanations

Safety Symbol Definitions

Explains safety symbols like lightning flash and exclamation mark used in the manual.

Product Warranty Information

FCC Compliance Statement

Package Contents

Key Product Features

Application Scenarios

Installation Guidelines

Recommended Deployment

Suspension and Rigging Points

Cooling and Ventilation

AC Power and Operation

AC Power Connection and Disconnection

Details AC mains connection, disconnection, and power switch operation.

Power Indicator LED

Explains the function of the rear panel blue POWER indicator LED.

System Power Sequencing

Input Connections Overview

Channel A Input Details

Details for Channel A microphone and line level inputs, including gain settings and connectors.

Channel B Input Details

Details for Channel B line level inputs, including gain settings and connector types.

Balanced Input Wiring

Explains how to connect balanced inputs using XLR and 1/4" phone connectors.

Unbalanced Input Wiring

Instructions for connecting unbalanced sources via XLR and 1/4" phone jacks.

KW181 Input Specifics

Details on line level inputs for the KW181 model, including signal summing.

Output Connections

Discrete Line Level Outputs

Describes discrete XLR outputs for Channels A and B, unaffected by gain settings.

Mixed Line Level Output

Details the mixed LINE OUT (POST GAIN – MIX) XLR connector.

KW181 Output Details

Outlines the output connections and gain control for the KW181 subwoofer.

DSP Features Overview

Proprietary DSP Functions

Explains advanced DSP features like Excursion Limiting, DEEP™, and Intrinsic Correction™.

Low-frequency EQ Settings

Details the NORM, EXT SUB, and DEEP™ modes for adjusting low-frequency response.

High-frequency EQ Settings

Describes FLAT and VOCAL BOOST modes for adjusting high-frequency response.

Subwoofer Polarity Control

Guidance on setting subwoofer polarity for optimal bass response.

Additional Features

Automatic Standby Operation

Explains the energy-saving standby mode and how the system wakes up.

Front LED Indicator Modes

Details the PWR, OFF, and LIMIT modes for the front LED indicator.

Rear Limit LED Indicator

Explains the red LIMIT LED's function for indicating limiting or overheating.

Remote Gain Attenuator

Remote Gain Attenuator Function

Describes the 3-pin Euro connector for remote volume control and standby.

Remote Gain Wiring Diagrams

Provides schematics for connecting potentiometers for remote gain control.

Input Hookup Diagrams

Output Hookup Diagrams: General

Output Hookup Diagrams: System Examples

System Configuration Examples

Mono Standalone System Setup

Illustrates a basic mono setup using a mixer, speakers, and subwoofer.

Product Dimensions

KW122 and KW152 Dimensions

Provides detailed physical dimensions for the KW122 and KW152 loudspeakers.

KW153 and KW181 Dimensions

Provides detailed physical dimensions for the KW153 loudspeaker and KW181 subwoofer.