Related Manuals for QSC KS Series
Summary of Contents for QSC KS Series
- Page 1 KS Series ® User Manual KS112 – 2000 watt Active Subwoofer KS118 – 3600 watt Active Subwoofer KS212C – 3600 watt Active Cardioid Subwoofer KS112 KS118 KS212C TD-001536-01-B *TD-001536-01*...
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Page 2: Explanation Of Symbols
7. Use extra caution with any attachments, accessories, mounts, or brackets that are not specified or approved by QSC, LLC. 8. Refer all service to qualified personnel. Service is required if the loudspeaker has been damaged in any way, such as liquid being spilled into it, objects falling into it, exposure to rain or moisture, abnormal operation, or being dropped. -
Page 3: Maintenance And Repair
To avoid subsequent damage to the equipment, personal injury, and/or creation of additional safety hazards, have all maintenance or repair work on the equipment performed only by a QSC authorized service center or an authorized QSC International Distributor. QSC is not responsible for any injury, harm, or related damages that arise from any failure of the customer, owner, or user of the equipment to facilitate those repairs. -
Page 4: Warranty
Warranty For a copy of the QSC limited warranty visit the QSC website at www.qsc.com Package Contents KS112, KS118, or Locking White QSC logo KS212C subwoofer AC power cord QSC limited Quick start guide Powered loudspeaker warranty TD-000499 – KS212C... - Page 5 KS112 / KS212C Features Bottom Horizontal Top Rear Front Horizontal Bottom – Figure 1 – 1. Alignment cups for stacking 9. Front power LED 2. Four low-noise, heavy-duty casters 10. Amplifier power module and controls 3. Amplifier protection rails 4. M20 threaded socket for 35 mm loudspeaker pole 5.
- Page 6 KS118 Features Left Side Bottom Right Side Front Rear – Figure 2 – 1. Alignment cups for stacking 8. Front power LED 2. Four low-noise, heavy-duty casters 9. Amplifier power module and controls 3. Amplifier protection rails 4. M20 threaded socket for 35 mm loudspeaker pole 5.
- Page 7 The KS212C is powered by a dual 1800-watt Class D amplifier and incorporates dual 12-inch long-excursion drivers that are each arranged in a sixth-order bandpass chamber. QSC’s latest DSP technology performs the complex processing that makes these mirrored components interact at the rear of the enclosure to produce a desirable cancellation, while simultaneously interacting at the front of the enclosure to produce equally desirable summation.
- Page 8 KS212C Applications and Installation WA N NE: The KS212C subwoofer is not suitable for flying or suspension. Before placing, installing, or mounting a subwoofer check all hardware, cabinets, transducers, brackets, and associated equipment for damage. Missing, corroded, deformed, or non-load-rated components could significantly weaken the installation or placement and severely reduce the safety of the installation if left uncorrected.
- Page 9 KS112 Applications and Installation Stacking the KS112 KS112 subwoofers can stack in a horizontal orientation. The four rubber feet on the top subwoofer fit perfectly into the four cups on the bottom one (Figure 6). WA N NE: The KS112 subwoofer is not suitable for flying or suspension. Before placing, installing, or mounting a subwoofer check all hardware, cabinets, transducers, brackets, and associated equipment for damage.
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Page 10: Cardioid Configurations
Cardioid Configurations Two or more KS118 subwoofers can be arranged and configured to produce a cardioid radiation pattern very simply, with no complex calculations or processing settings required. The processing necessary for cardioid operation is already programmed into each KS118 subwoofer’s DSP. On each subwoofer facing forward (toward the audience), select FORWARD on the Cardioid menu. - Page 11 BETTER: Stacked Stacking two KS118 subwoofers is similar to the side-by-side arrangement. Figure 10 is a front view. Place the rear-facing subwoofer on the bottom. Cardioid > Forward FRONT VIEW (as seen from audience) Cardioid > Rear Floor – Figure 10 – Cardioid >...
- Page 12 M20 threaded sockets: one on the top, and one on the side. The KS118 has a single M20 threaded socket. Figure 13 shows a KS Series Subwoofer in a vertical orientation with a K.2 Series loudspeaker mounted above. Figure 14 shows a KS Series Subwoofer in a horizontal orientation with a K.2 Series loudspeaker mounted above.
- Page 13 (Figure 15) to prevent them leaning more than 10 degrees in any direction. WA N NE: Do not fly or suspend any KS Series subwoofer. It is not intended or equipped for flying or suspension. Use only on a flat surface, such as a floor or stage.
- Page 14 Cooling The KS Series Subwoofers contain an internal power amplifier that produces heat. Allow a minimum of 15 cm (6 inches) clearance around the cabinet for convection cooling. Keep anything that might restrict airflow away from the rear of the enclosure (i.e draperies, walls, etc.)
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Page 15: Block Diagram
1. Turn down the main faders (or other output level control) of 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. -
Page 16: Inputs And Outputs
Inputs and Outputs The KS Series subwoofer amplifier module has two female XLR / ¼-inch combination inputs and two corresponding PUSH PUSH pass-through male XLR outputs. See Figure 18. 1. SNN LED (green) – indicates that a signal is present on Input A or B or both. When it is not on, there is either no signal or it is too low to detect. -
Page 17: Display Introduction
Subwoofer Menu KS212C SUB The KS Series subwoofers feature a multi-function digital display for control and selection of various subwoofer functions, including 80 Hz scenes, crossover, and delay. DELAY: 0 ms SCENES: SETTINGS Display Introduction KS112 and KS212C 1. Home Screen – Displays the model number and the main functionality headings. -
Page 18: Menu Listing
Menu Listing CROSSOVER Set the crossover frequency The 80 Hz low-pass filter is optimized for the K.2 Series, CP Series, and future CROSSOVERS loudspeakers The 100 Hz low-pass filter is optimized for the legacy K, KLA, and KW 80 Hz 100 Hz CROSSOVERS loudspeakers... - Page 19 CARDIOID KS118 only OFF turns off the processing for cardioid operation, so the subwoofer performs CARDIOID like a normal direct-radiating enclosure with an omnidirectional pattern. FORWARD Select FORWARD on any subwoofer that faces toward the audience. FORWARD REAR Select REAR on any subwoofer that faces away from the audience. REAR Press Enter to put your selection in effect.
- Page 20 KS212C Dimensions 33 5 in 15 5 in 851 mm 394 mm TD-001536-01-B...
- Page 21 KS118 Dimensions 25.2 in 640 mm 30.9 in 20.5 in 785 mm 520 mm TD-001536-01-B...
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Page 22: Specifications
Specifications KS112 KS212C KS118 Configuration 6th-order bandpass subwoofer Dual 6th-order bandpass cardioid Direct-radiating ported subwoofer subwoofer LF Transducer 12-inch (305 mm) cone 2 × 12-inch (305 mm) cone 18-inch (457 mm) cone Frequency Response 41–108 Hz 44–104 Hz 41–98 Hz (-6 dB) Frequency Range 38–121 Hz 39–118 Hz... -
Page 23: Mailing Address
FAX: +1.714.754.6174 E-mail: info@qsc.com © Copyright 2019, QSC, LLC. QSC® is a registered trademark of QSC, LLC, “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office. All trademarks are the property of their respective owners. http://patents.qsc.com.
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