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Building on the same successful platform as the ABS-molded K Series (which it is designed to complement), it has been engineered to produce the same outstanding performance - but this time in a second generation wooden enclosure. The form factor is consequently more compact and substantially lighter than previous birch enclosure designs. The KW Series represents the next evolution in wood enclosure loudspeakers, incorporating all the groundbreaking electronic attributes of the K Series.
Packaged into the new, second generation Baltic birch design will be the same incredible 1000W of Class D power modules (2 x 500W), 1.75-inch high output HF device (in the full-range models) and extensive DSP featured in the K Series, along with all QSC's patented technologies designed to fully-optimize the system.
The KW Series comprises four models - the KW122 (12-inch, 2-way multipurpose loudspeaker), KW152 (15-inch, 2-way trapezoidal loudspeaker), KW153 (15-inch, 3-way trapezoidal loudspeaker) and KW181 (18-inch subwoofer).
In addition to the 1000W of Class D power, this pioneering system incorporates DEEP and Intrinsic Correction as performance enhancers into the DSP, while DMT (Directivity Matched Transition) ensures uniform coverage across the entire sound field. In addition, the KW Series features GuardRail protection, first introduced on QSC's GX Series amplifiers, which prevents the amplifier module from unnatural and destructive clipping, while the full-range models also include a four-position Mic/Line gain switch.
The construction of these rugged, texture-painted birch enclosures has also been carefully conceived, with tour grade 16-gauge steel grilles, comfortable ergonomic handles, and 35mm pole sockets with Tilt-Direct (on the KW122 and KW152 models). M10 rigging points enable suspended installation of the full-range models, while the KW122 can also function as a stage monitor.
The Range
In addition to the Class D amplification and DSP, the KW122 contains a 12-inch cone transducer and 1.75-inch diaphragm compression driver, with 50Hz-20kHz frequency range, maximum SPL (1 meter) of 131dB (peak) and nominal coverage of 75 Degrees axisymmetric; the KW152 contains a 15-inch cone transducer and 1.75-inch diaphragm compression driver, with 44Hz-20kHz frequency range, maximum SPL (1 meter) of 133dB (peak) and nominal coverage of 60 Degrees axisymmetric; KW153 3-way system contains a 15-inch cone transducer, 6.5-inch mid-range and 1.75-inch diaphragm compression driver, with 33Hz-20kHz frequency range, maximum SPL (1 meter) of 134dB (peak) and nominal coverage of 75 Degrees axisymmetric, and the KW181 18-inch subwoofer contains an 18-inch cone transducer, with 39Hz-145Hz frequency range and maximum SPL (1 meter) of 132dB (peak).
High Output
Like the K Series, each of the four KW Series models features a QSC-designed, 1000-watt continuous (2 x 500) Class D power module. And continuing in the K Series tradition, every model is fitted with the identical high-output 1.75-inch HF device (full-range models) and woofers of the same high quality design, regardless of speaker size.
Defined Coverage Area
Directivity Matched Transition (DMT ) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural 'dead' or 'hot' frequency zones
DSP
Extensive signal processing is employed throughout, providing levels of sonic clarity and total output that defy all expectations for a product in this category. Intrinsic Correction , first featured in QSC's high-end line array products, maps 65-75 spatially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat bandpass target. The result is a speaker that behaves equally well across the entire sound field. DEEP (and excursion limiting) allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies. GuardRail protects both the amplifier module (and performance) from unnatural and destructive clipping.
Connectivity
KW Series features a four-position mic/line gain switch that allows for connection of a huge variety of devices. Combo XLR and 1/4-inch TRS inputs accept both microphone and line level input while a set of RCA phono inputs (except KW181) allow additional connectivity to portable MP3 players, CD players and line-level mixers. Up to three audio sources can be mixed internally and summed to a balanced output for 'daisy-chaining' of multiple units. Separate direct outputs are also provided on each channel for additional output flexibility.
Control
On-board switches provide preset EQ settings. The HF setting (full-range models) can be set to VOCAL BOOST for additional presence in the critical mid-frequency area or FLAT for accurate reproduction of the incoming signal. The LF switch can be set to NORM, DEEP for additional bass extension, or EXT SUB (full-range models) for use with an external subwoofer. The rear panel LED switch can be set to POWER, illuminating the front-mounted LED when the unit is powered on, OFF for applications where it is not desirable to illuminate the front LED, or LIMIT which indicates to the system operator that the clip limiter circuit has been engaged during operation.
Tilt-Direct
The KW122 and KW152 feature a unique Tilt-Direct pole cup mounting system. A simple turn of the dial engages a 7.5 Degrees downward tilt of the speaker allowing acoustic energy to be kept on the audience and off reflective surfaces for applications where maximum coverage from a high-positioned speaker is desired.
Remote Gain
Remote gain control capability is offered via a potentiometer (not included), connected to the on-board Phoenix style connector. In an installed application, multiple KW Series speakers can be 'daisy-chained' for total gain control from a single remote pot. Auto-standby mode is engaged after 5 minutes of inactivity.
Premium grade Materials
KW Series is designed to withstand the rigors of professional use. Advanced construction processes, premium grade Baltic birch cabinetry, ergonomic, cast aluminum handles, low-noise casters (KW181) and a highly protective steel grille provide for ease of transport and long term durability. Integrated M10 suspension points allow for flown applications with a KW M10 KIT (sold separately) and a threaded pole receptacle (KW181) providing for a positive, wobble free connection to a threaded speaker pole (included).
Features
- K Series performance in a lightweight, birch design
- 1000 watt Class D power modules in all models (2 x 500 W continuous)
- Extensive DSP featuring DEEP and Intrinsic Correction enhances system performance
- DMT (Directivity Matched Transition) ensures uniform coverage across the entire sound field
- Rugged, texture-painted birch enclosures
- Four-position Mic/Line gain (full-range models)
- Tour-grade 16 gauge steel grilles
- Comfortable ergonomic handles
- 35 mm pole sockets with Tilt-Direct on KW122 and KW152, standard (non-tilt) pole socket on KW153
- M10 rigging points for suspended installation (full-range models)
- KW122 also functions as stage monitor
| SPECIFICATIONS | KW122 | KW152 | KW153 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration | 12" 2-way multipurpose |
15" 2-way trapezoidal | 15" 3-way trapezoidal | |||||||||||||||
| Transducers Low-frequency Mid-frequency High-frequency |
12" cone transducer - 1.75" diaphragm compression driver |
15" cone transducer - 1.75" diaphragm compression driver |
15" cone transducer 6.5" mid range cone transducer 1.75" diaphragm compression driver |
|||||||||||||||
| Frequency Response (-6 dB) | 53 Hz - 18 kHz | 47 Hz - 18 kHz | 35 Hz - 18 kHz | |||||||||||||||
| Frequency Range (-10 dB) | 50 Hz - 20 kHz | 44 Hz - 20 kHz | 33 Hz - 20 kHz | |||||||||||||||
| Nominal Coverage (-6 dB) | 75 Degrees axisymmetric | 60 Degrees axisymmetric | 75 Degrees axisymmetric | |||||||||||||||
| Maximum SPL1 | 131 dB peak |
133 dB peak | 134 dB peak | |||||||||||||||
| Amplifier | ||||||||||||||||||
| Power Output2 | 1000 W Class D (500 W LF, 500 W HF) continuous 2000 W peak |
1000 W Class D (500 W LF, 500 W MF/HF) continuous 2000 W peak |
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| Input Impedance (ohms) | Channel A XLR / 1/4":
Channel B RCA: 10k |
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| Controls | Power, Gain A, Gain B, Channel A Input Gain (0 dB / 12 dB / 24 dB / 36 dB), LF Mode (Ext Sub/Norm/DEEP ), HF Mode (Flat/Vocal Boost), Front LED (On/Off/Limit) | |||||||||||||||||
| Indicators | Power, Signal A, Signal B, Standby, Limit, Mic (24 dB and 36 dB settings) | |||||||||||||||||
| Connectors | Balanced female XLR/1/4" line/mic level input, Balanced female XLR/1/4" line level input, Dual Balanced male XLR full range line level out , Balanced male XLR "mix" out, Stereo RCA line level input, Remote gain control, Locking IEC power connector | |||||||||||||||||
| Cooling | On demand, 50 mm variable speed fan | |||||||||||||||||
| Amplifier Protection | Thermal limiting, output overcurrent, overtemperature muting, GuardRail | |||||||||||||||||
| Transducer Protection | Thermal limiting, excursion limiting | |||||||||||||||||
| AC Power Input | Universal power supply 100-240 VAC, 50 - 60 Hz | |||||||||||||||||
| AC Power Consumption (1/8 Power) |
100 VAC, 2.3 A 120 VAC, 2.01 A 230 VAC, 1.13 A |
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| Enclosure | ||||||||||||||||||
| Material | 15 mm painted birch plywood | |||||||||||||||||
| Finish | Black textured paint | |||||||||||||||||
| Grille | Black powder coated 16 gauge steel | |||||||||||||||||
| Dimensions (HWD) | 26" x 15" x 15.4" 660 mm x 381 mm x 391 mm |
32.1" x 17.5" x 15.2" 816 mm x 445 mm x 386 mm |
43.1" x 18.5" x 16.8" 1094 mm x 470 mm x 427 mm |
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| Weight (Net) | 49 lb (22.2 kg) | 62 lb (28 kg) | 87 lb (39.5 kg) | |||||||||||||||
| Available Accessories | KW SUS KIT 122, KW122 COVER, KW M10 KIT | KW152 COVER, KW M10 KIT | KW153 COVER, KW M10 KIT | |||||||||||||||
| SPECIFICATIONS | KW181 |
|---|---|
| Configuration | 18" subwoofer |
| Transducer |
18" cone transducer |
| Frequency Response (-6 dB) | 40 Hz - 112 Hz |
| Frequency Range (-10 dB) | 37 Hz - 129 Hz |
| Maximum SPL1 | 135 dB peak |
| Amplifiers | |
| Power Output2 | 1000 W Class D continuous 2000 W peak |
| Input Impedance (ohms) | XLR / 1/4": 38k balanced / 19k unbalanced |
| Controls | Power, Gain, LF Mode (Normal/DEEP ), Polarity (Normal/Reverse), Front LED (On/Off/Limit) |
| Indicators | Power, Signal, Standby, Limit |
| Connectors | Dual balanced female XLR/1/4" line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector |
| Cooling | On demand, 50 mm variable speed fan |
| Amplifier Protection | Thermal limiting, output overcurrent, overtemperature muting, GuardRail |
| Transducer Protection | Thermal limiting, excursion limiting |
| AC Power Input | Universal power supply 100 - 240 VAC, 50 - 60 Hz |
| AC Power Consumption (1/8 Power) |
100 VAC, 2.3 A 120 VAC, 2.01 A 230 VAC, 1.13 A |
| Enclosure | |
| Material | 15 mm painted birch plywood |
| Finish | Black textured paint |
| Grille | Black powder coated 16 gauge steel |
| Dimensions (HWD) | 20.1" x 23.4" x 29.9" with casters 510 mm x 595 mm x 761 mm with casters |
| Weight (Net) | 88 lb (40 kg) |
| Available Accessories | KW181 COVER |
2 Independent of limiters and driver protection circuits.
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QSC
QSC warrants its products to be free from defects for 3 years from the date of purchase.
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