QSC Audio K12, KSub, K8, K10 User Manual
K Series
User Manual
K8 – 105° 1000 W active 8" (200 mm) 2-way loudspeaker system
K10 – 90° 1000 W active 10" (250 mm) 2-way loudspeaker system
K12 – 75° 1000 W active 12" (300 mm) 2-way loudspeaker system
KSub – Dual 12" (300 mm) 1000 W active 4th-order bandpass subwoofer system
TD-000280-00-A1
*TD-000280-00-A*
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 triangle is intended to alert the user to the presence of uninsulated “dangerous” voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of shock to humans.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operation and
maintenance (servicing) instructions in this manual.
Read these instructions.1.
Keep these instructions.2.
Heed all warnings.3.
Follow all instructions.4.
WARNING: To prevent fire or electric shock, do not expose this equipment to rain or moisture. Do not use this apparatus near water.5.
Clean only with a dry cloth. 6.
Allow a minimum of 6" (152 mm) clearance behind cabinet for convection cooling. Keep anything that might restrict airflow from the rear of the 7.
enclosure (i.e. draperies, fabric, etc.). Do not block any ventilation opening. This product contains an internal power amplifier that produces heat.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.8.
Do not defeat the safety purpose of the grounding-type plug on the three-pronged “Edison” style power cable. The grounding plug has two blades 9.
and a grounding prong. The third prong is provided for your safety. If the provided plug does not fit your outlet, consult an electrician for the
replacement of the obsolete outlet. Do not cut off the grounding plug or use an adapter that breaks the grounding circuit. This apparatus must be
properly grounded for your safety.
Protect the power cord from being walked on or pinched, particularly plugs, convenience receptacles, and the point where they exit from 10.
the apparatus.
The appliance coupler is the AC mains disconnect and should remain readily operable after installation.11.
Use only attachments/accessories specified by QSC Audio Products, LLC.12.
Use only with hardware, brackets, and components sold with the apparatus or by QSC Audio Products, LLC.13.
Unplug the apparatus during lightning storms or when unused for long periods of time.14.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply 15.
cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture,
does not operate normally or has been dropped.
Before placing, installing, rigging or suspending any loudspeaker product, inspect all hardware, suspension, cabinets, transducers, brackets and 16.
associated equipment for damage. Any missing, corroded, deformed, or non-load rated component could significantly reduce the strength of the
installation and should be immediately corrected. Use only hardware which is rated for the loading conditions of the installation and any possible
short-term unexpected overloading. Never exceed the rating of the hardware or equipment.
Consult a licensed, professional engineer when any doubt or questions arise regarding a physical equipment installation.17.
The appliance shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the apparatus.18.
2
Warranty (USA only; other countries, see your dealer or distributor)
QSC Audio Products 3 Year Limited Warranty
QSC Audio Products, LLC (“QSC”) guarantees its products to be free from defective material and/or workmanship for a period of three (3) years from
the date of sale and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use – provided the unit is returned to our factory or one of our authorized service stations via prepaid transportation with a copy of proof of
purchase (i.e., sales receipt). This warranty provides that the examination of the returned product must indicate, in our judgement, a manufacturing
defect. This warranty does not extend to any product which has been subjected to misuse, neglect, accident, improper installation, or where the date
code has been removed or defaced. QSC shall not be liable for incidental and/or consequential damages. This warranty gives you specific legal rights.
This limited warranty is freely transferable during the term of the warranty period.
Customer may have additional rights, which vary from state to state.
In the event that this product was manufactured for export and sale outside of the United States or its territories, then this limited warranty shall not
apply. Removal of the serial number on this product, or purchase of this product from an unauthorized dealer will void this limited warranty.
Periodically, this warranty is updated. To obtain the most recent version of QSC’s warranty statement, please visit www.qscaudio.com.
Contact us at 800-854-4079 or visit our website at www.qscaudio.com.
FCC Statement
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference 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 user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
© Copyright 2009, QSC Audio Products, LLC.
USA and Foreign Patents Pending.
QSC® is a registered trademark of QSC Audio Products, 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.
Package Contents
K8, K10, K12
(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
KSub
(1) Subwoofer system
(1) Locking NEMA 5-15 power cable
(1) Locking CEE 7/4 power cable
(1) User Manual CD
(1) Wiring hookup diagram
(1) M20 threaded loudspeaker pole
3
Features
K8
7
ABS enclosure1.
1
6
4
Steel grille2.
Front power LED3.
Cast aluminum handles4.
7
2
7
Power module5.
M10 installation points6.
5
M5 yoke attachment points7.
Tilt-Direct™ dual angle pole socket8.
Slip-resistant feet9.
9
9
8
3
7
6
K10
7
4
ABS enclosure1.
1
6
Steel grille2.
Front power LED3.
Cast aluminum handles4.
7
4
2
7
4
Power module5.
M10 installation points6.
M5 yoke attachment points7.
9
Tilt-Direct™ dual angle pole socket8.
3
9
5
6
Slip-resistant feet9.
8
7
4
7
K12
4
ABS enclosure1.
1
6
Steel grille2.
Front power LED3.
Cast aluminum handles4.
7
9
4
2
7
4
Power module5.
M10 installation points6.
M5 yoke attachment points7.
3
99
5
6
Tilt-Direct™ dual angle pole socket8.
Slip-resistant feet9.
8
7
7
KSub
Birch plywood enclosure1.
Front power LED2.
Acoustic port3.
Cast aluminum handles4.
Power module5.
M20 threaded pole receptacle6.
3" heavy duty casters7.
Slip-resistant feet8.
6
1
4
3
5
2
4
8
7
7
5
Applications
The K Series has been primarily designed for portable audio reinforcement. This includes a variety of uses in reinforcement for entertainers
and presenters. The K8, K10 and K12 are all designed to perform well on
their own in full-range audio. They can be used singly, in stereo pairs or
in distributed or delayed systems. They perform extraordinarily well as
both main reinforcement systems and as floor monitors (K10 and K12
only). (Figure 1)
The K8, K10, and K12 are all equipped with a 35 mm pole socket that
allows use on a speaker stand or on a pole over a subwoofer. The pole
socket features the QSC Patented Tilt-Direct™ system for tilting the
enclosures down 7.5 degrees while on the pole. (Figure 2)
The K8, K10 and K12 also have features designed for various suspension methods. They feature M10 threaded inserts for suspension with
eyebolts. There are also yoke accessories (model numbers: K8 YOKE,
K10 YOKE, K12 YOKE) for each model that can mount either to the sides
of the cabinet or to the top and bottom. These yokes allow for rigid
mounting to structures and rotation of the speaker system. (Figure 3)
For extra low-frequency extension and enhancement, the KSub is perfectly matched to the rest of the K Series. The K8, K10 and K12 all have a
selectable high-pass filter for use with the subwoofer. The KSub includes
a fixed low-pass filter so it will accept full-range input.
– Figure 1 –
The KSub has four large casters for maximum portability. The pole socket on the top of the enclosure is fitted with an M20 threaded insert. The
included speaker pole screws into the socket for a secure fit. (Figure 4)
– Figure 2 –
– Figure 3 –
– Figure 4 –
6
Installation
Before placing, installing, rigging, or suspending any speaker product, inspect all hardware, suspension, cabinets, transducers, brack-
ets and associated equipment for damage. Any missing, corroded, deformed, or non-load rated component could significantly reduce
the strength of the installation or placement. Any such condition severely reduces the safety of the installation and should be immediately corrected. Use only hardware which is rated for the loading conditions of the installation and any possible short-term, unexpected overloading.
Never exceed the rating of the hardware or equipment.
Consult a licensed, professional engineer regarding physical equipment installation. Ensure that all local, state and national regulations
regarding the safety and operation of loudspeakers and related equipment are understood and adhered to.
Recommended Deployment
K8: The K8 was designed to sit on the floor, stage, subwoofer enclosure, be suspended, or be pole mounted on a 35 mm diameter loudspeaker sup-
port pole. When pole-mounted to the KSub, pole length must not exceed 31 inch (787 mm).
K10: The K10 was designed to sit on the floor, stage, subwoofer enclosure, be suspended, or be pole mounted on a 35 mm diameter loudspeaker
support pole. When pole-mounted to the KSub, pole length must not exceed 28.5 inch (724 mm).
K12: The K12 was designed to sit on the floor, stage, subwoofer enclosure, be suspended, or be pole mounted on a 35 mm diameter loudspeaker
support pole. When pole-mounted to the KSub, pole length must not exceed 26.5 inch (673 mm).
KSub: The KSub was designed to sit on the floor or on the stage. A threaded pole cup on the top of the enclosure accepts a M20 threaded 35 mm
loudspeaker mounting pole. There are additional M20 speaker poles available from third party suppliers. Rubber feet on the enclosure’s bottom help
to minimize enclosure movement during operation. Do not pole mount or stack more than one enclosure on top of the KSub enclosure. As the casters
will wear during normal use, it may be required to insert small foam pieces between the wheels and frames to minimize rattling at high output levels.
K8 WARNING! Do not use a loudspeaker support pole longer than 31 inch (787 mm) when supported by the KSub subwoofer.
K10 WARNING! Do not use a loudspeaker support pole longer than 28.5 inch (724 mm) when supported by the KSub subwoofer.
K12 WARNING! Do not use a loudspeaker support pole longer than 26.5 inch (673 mm) when supported by the KSub subwoofer.
K10
K SERIES
POLE
24"
(612 mm)
24.5"
(622 mm)
K8
K SERIES
POLE
24.5"
(622 mm)
K12
K SERIES
POLE
KSub
KSub
KSub
7
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