QSC KS Series User Manual Download Page 22

22

TD-001536-01-B

Specifications

KS112

KS212C

KS118

Configuration

6th-order bandpass subwoofer

Dual 6th-order bandpass cardioid 
subwoofer

Direct-radiating ported subwoofer

LF Transducer

12-inch (305 mm) cone

2 × 12-inch (305 mm) cone

18-inch (457 mm) cone

Frequency Response 
(-6 dB)

41–108 Hz

44–104 Hz

41–98 Hz

Frequency Range 
(-10 dB)

38–121 Hz

39–118 Hz

35–111 Hz

Nominal Coverage Angle Omnidirectional

180˚ Cardioid (15 dB rear rejection @ 
70 Hz)

Cardioid off: Omnidirectional
Cardioid on: Up to 15 dB rear rejection 
@ 70 Hz when arrayed

Maximum SPL

128 dB @ 1 m (peak)

132 dB @ 1 m (peak)

136 dB @ 1 m (peak)

Amplifier

Class D
2000 W (peak)

Class D  
2 x 1800 W (peak)

Class D
3600 W (peak)

Cooling

Low-noise variable speed fan

Low-noise variable speed fan

Low-noise variable speed fan

Controls

Power switch
Gain control
Rotary encoder
Two selection buttons

Power switch
Gain control
Rotary encoder
Two selection buttons

Power switch
Gain control
Rotary encoder
Two selection buttons

Indicators

2 × Power LED (front and rear)
Signal LED
Limiter active LED

2 × Power LED (front and rear)
Signal LED
Limiter active LED

2 × Power LED (front and rear)
Signal LED
Limiter active LED

Connectors

2 × female locking XLR / ¼-in combo
2 × male XLR (loop-thru output)
Locking IEC power connector

2 × female locking XLR / ¼-in combo
2 × male XLR (loop-thru output)
Locking IEC power connector

2 × female locking XLR / ¼-in combo
2 × male XLR (loop-thru output)
Locking IEC power connector

AC Power Input

Universal power supply 100 – 240 
VAC, 50 – 60 Hz

Universal power supply 100 – 240 
VAC, 50 – 60 Hz

Universal power supply 100 – 240 
VAC, 50 – 60 Hz

AC Power Consumption 
(@ 1/8th of full power)

100 VAC, 2.4 A / 120 VAC, 2.0 A / 240 
VAC, 1.3 A

100 VAC, 3.6 A / 120 VAC, 3.0 A / 240 
VAC, 1.7 A

100 VAC, 3.6 A / 120 VAC, 3.0 A / 240 
VAC, 1.7 A

Enclosure Details

Enclosure
Color
Grille

15 mm birch plywood
Black (RAL 9011)
Internal woofer cover

15 mm birch plywood
Black (RAL 9011)
Internal woofer cover

18 mm birch plywood
Black (RAL 9011)
16-gauge powder coated perforated 
steel

Dimensions (H × W × D):
(Including casters)

622 × 394 × 616 mm
24.5 × 15.5 × 24.25 inches

622 × 394 × 851 mm 
24.5 × 15.5 × 33.5 inches

640 × 520 × 785 mm
25.2 × 20.5 × 30.9 inches

Net Weight: 

28.4 kg (62.6 lb)

40.1 kg (88.5 lb)

47 kg (104 lb)

Shipping Weight: 

34.5 kg (76 lb)

48.5 kg (107 lb)

56.5 kg (124.5 lb)

Regulatory: 

CE, WEEE, UL, China RoHS, RoHS II, 
FCC Class B

CE, WEEE, UL, China RoHS, RoHS II, 
FCC Class B

CE, WEEE, UL, China RoHS, RoHS II, 
FCC Class B

Included Accessories: 

4 × low-noise heavy-duty casters

4 × low-noise heavy-duty casters
35 mm M20 loudspeaker pole 915 mm 
(36 in) long (SP-36)

4 × low-noise heavy-duty casters

Optional Accessories: 

KS112-CVR cover, KS-LOC lock-out 
cover
16-inch SP-16X extension pole
26-inch SP-26 loudspeaker pole
36-inch SP-36 loudspeaker pole

KS212C-CVR cover, KS-LOC lock-out 
cover
16-inch SP-16X extension pole
26-inch SP-26 loudspeaker pole

KS118-CVR cover, KS-LOC lock-out 
cover
16-inch SP-16X extension pole
26-inch SP-26 loudspeaker pole
36-inch SP-36 loudspeaker poles

 NOTE:

 

Specifications subject to change without notice.

Summary of Contents for KS Series

Page 1: ...TD 001536 01 B TD 001536 01 KS Series User Manual KS112 2000 watt Active Subwoofer KS118 3600 watt Active Subwoofer KS212C 3600 watt Active Cardioid Subwoofer KS212C KS112 KS118...

Page 2: ...uids 4 Clean only with a dry cloth Do not use any aerosol spray cleaner disinfectant or fumigant on near or into the loudspeaker 5 Do not block any ventilation opening Install in accordance with the m...

Page 3: ...rence 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 use...

Page 4: ...age Contents 1 KS112 KS118 or KS212C subwoofer 1 Locking AC power cord 2 White QSC logo 1 QSC limited warranty TD 000453 1 Quick start guide TD 000499 KS212C TD 001518 KS112 TD 001551 KS118 1 Powered...

Page 5: ...readed socket for 35 mm loudspeaker pole 5 Slip resistant feet four on the bottom 6 Slip resistant feet four on the side 7 Cast aluminum handles 8 M20 threaded socket for 35 mm loudspeaker pole 9 Fron...

Page 6: ...ier protection rails 4 M20 threaded socket for 35 mm loudspeaker pole 5 Slip resistant feet four on the bottom 6 Slip resistant feet four on the side 7 Cast aluminum handles 8 Front power LED 9 Amplif...

Page 7: ...e complicated calculations involving physical spacing and signal processing Two QSC subwoofer models make those calculations unnecessary KS212C The KS212C is powered by a dual 1800 watt Class D amplif...

Page 8: ...MPORTANT To maintain the acoustic properties of the KS212C subwoofer do not place the unit closer than 50 mm 20 in from a wall or other object that would reflect sound waves Placement of the KS212C Ma...

Page 9: ...equipment installation Understand and follow all local state and national regulations regarding the safety and operation of loudspeakers and related equipment WARNING Do not stack the KS112 units in a...

Page 10: ...WARD on the Cardioid menu On each subwoofer facing away from the audience select REAR on the Cardioid menu Put the same audio signal into both subwoofers and set the same gain on each one BEST Back to...

Page 11: ...dioid Rear Cardioid Forward TOP VIEW Figure 11 Cardioid Rear FRONT VIEW as seen from audience Floor Cardioid Forward Figure 12 Three box cardioid systems A three box array with two forward facing and...

Page 12: ...fe to use with the various CP KW KLA K 2 and K Series loudspeakers and your KS Series Subwoofer in a horizontal or vertical orientation 4 OK to use 6 Not recommended see note on next page Figure 13 Fi...

Page 13: ...12 2 SP 16X Ext Pole 4 4 4 4 4 4 4 6 SP 26 Pole 4 4 4 4 4 6 4 6 NOTE Do not use the configurations marked by a red X 6 unless the subwoofer or subwoofers are properly secured or restrained Figure 15 t...

Page 14: ...IEC socket on the back of the amplifier Make sure it is fully inserted The V LOCK power cord has a special latching feature to prevent unintentional detachment The IEC cable plug and chassis socket a...

Page 15: ...the mixer or other audio source to minimum 2 Turn on all the source devices and processors CD players mixers instruments etc 3 Turn on the KS Series subwoofers 4 Turn on the top loudspeakers 5 Bring...

Page 16: ...e limiter The limiter prevents damage to the amplifier and transducer for example if the amplifier output signal level is too high or the module is running too hot 5 POWER LED blue shows that the ampl...

Page 17: ...y headings A light background with black text highlights the menu item selected 2 Exit or go back button press to return to the previous screen or menu level 3 Enter button confirm a selected paramete...

Page 18: ...ECALL SCENE USER 1 5 LOAD BACK USER 1 USER 2 RECALL SCENE USER 3 A triangle next to the scene name indicates that it is active To recall a different scene select the one you want Press the Enter butto...

Page 19: ...OFF FORWARD REAR CARDIOID OFF turns off the processing for cardioid operation so the subwoofer performs like a normal direct radiating enclosure with an omnidirectional pattern Select FORWARD on any...

Page 20: ...20 TD 001536 01 B KS212C Dimensions 33 5 in 851 mm 15 5 in 394 mm 24 5 in 622 mm...

Page 21: ...21 TD 001536 01 B KS118 Dimensions 20 5 in 520 mm 30 9 in 785 mm 25 2 in 640 mm...

Page 22: ...cking IEC power connector AC Power Input Universal power supply 100 240 VAC 50 60 Hz Universal power supply 100 240 VAC 50 60 Hz Universal power supply 100 240 VAC 50 60 Hz AC Power Consumption 1 8th...

Page 23: ...patents qsc com Mailing Address QSC LLC 1675 MacArthur Boulevard Costa Mesa CA 92626 1468 U S Main Number 1 714 754 6175 World Wide Web www qsc com Sales Marketing Voice 1 714 957 7100 or toll free U...

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