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QSC Audio K8 manual

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Table of contents for the manual

  • Page 1

    K Series User Manual K8 – 1 05° 1 000 W active 8" (200 mm) 2-way loudspeaker system K1 0 – 90° 1 000 W active 1 0" (2 50 mm) 2-way loudspeaker system K1 2 – 7 5° 1 000 W active 1 2" (300 mm) 2-way loudspeaker system KSub – Dual 1 2" (3 00 mm) 1 000 W active 4th-order bandpass subwoofer system *TD-000280-00-A* TD -0002[...]

  • Page 2

    2 I M PO RT ANT SAFE T Y P R EC AUTIO N S AN D EXP L ANA TI ON O F SYM BO LS W AR N I NG! C AUTIO N: TO RE D UC E TH E R I S K O F E LE C TR IC S HOC K, DO N OT RE M OVE TH E AM P LI F IE R C OVE R. NO U S E R-S ER VI CEAB LE P ARTS I N S I DE. R E F E R S E R VIC I NG TO QUALIF IE D PE R S O N N E L. The lightning flash with the arrowhead symbol [...]

  • Page 3

    3 W arranty (U SA only; other countries, see your dealer or distributor) QSC Audio Products 3 Y ear Limited Warr anty QSC Audio Products, LL C (“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 par ts and repair malfunctioning pro[...]

  • Page 4

    4 K8 ABS enclosure 1 . Steel grille 2. Front power LED 3. Cast aluminum handles 4. Power module 5. M1 0 installation points 6. M5 yoke attachment points 7 . Tilt-Direct™ dual angle pole socket 8. Slip-resistant feet 9. K1 0 ABS enclosure 1 . Steel grille 2. Front power LED 3. Cast aluminum handles 4. Power module 5. M1 0 installation points 6. M5[...]

  • Page 5

    5 K1 2 ABS enclosure 1 . Steel grille 2. Front power LED 3. Cast aluminum handles 4. Power module 5. M1 0 installation points 6. M5 yoke attachment points 7 . Tilt-Direct™ dual angle pole socket 8. Slip-resistant feet 9. KSub Birch plywood enclosure 1 . Front power LED 2. Acoustic port 3. Cast aluminum handles 4. Power module 5. M20 threaded pole[...]

  • Page 6

    6 Applications The K Series has been primarily designed for portable audio reinforce- ment. This includes a variety of uses in reinforcement for entertainers and presenters. The K8, K1 0 and K1 2 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 per[...]

  • Page 7

    7 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 sev[...]

  • Page 8

    8 Integrated Suspension P oints (suspended installations) The K8, K1 0 and K1 2 enclosures each feature three load-rated M1 0 installation points. As shipped from the factor y, each pick point has a rubber plug installed to retain the sleek look of the enclosure. These installation points are designed for use with the eyebolts included in the avail[...]

  • Page 9

    9 AC Mains Connect AC power to the I EC socket on the back of the amplifier by locating the I EC connector-end of the AC power cord and inser ting it fully into the I EC inlet on the power amplifier module. NOTE: T urn off the AC power switch before connecting AC power. The V-L OC K power cord has a special latching feature to prevent the po wer [...]

  • Page 10

    10 Input Connections K8, K1 0, K1 2 The K8, K1 0 and K1 2 are designed to accept MI C Level and Line Le vel inputs with several different connectors. There are three input connection points on the input panel. Channel A will accept MI C or Line Level inputs by connecting a male XLR cable or a male 1 / 4" phone cable (either TS or T RS type may[...]

  • Page 11

    11 Balanced Inputs: Connect to the plug as shown. Unbalanced Inputs: Connect to the plug as shown. If a 3 conductor (TR S) plug is used to connect an unbalanced source, Pin 3 and pin 1 must be connected with a jumper as shown. Input Connections KSub The KSub is designed to accept Line Level inputs connected either by male XLR or 1 / 4" phone ([...]

  • Page 12

    12 Output Connections K8, K1 0, K1 2 Both Channel A and Channel B have discreet direct outputs on female XLR connectors. The signal on this output is ex actly equivalent to the signal from the corresponding input. The level of the output signal is not affected by the gain setting for that channel. Additionally, signal delivered on the RC A (phono) [...]

  • Page 13

    13 DS P Features The K Series features advanced DSP (digital signal processing) circuitr y that per forms many functions. Some functions are set at the design/production level and are not user accessible. These functions include crossovers, time alignment, limiting and protection, thermal management and a number of proprietary features. QS C has de[...]

  • Page 14

    14 Subwoofer Polarity Polarity (sometimes improperly referred to as phase) refers to the voltage of an input signal and whether it is a positive or negative voltage at any given time. In most cases a positive voltage causes a woofer cone to move forward with respect to the cabinet orientation, and a negative voltage then moves the woofer cone backw[...]

  • Page 15

    15 Remote Gain Attenuator A 3 pin “Euro” connector has been provided to adjust the volume of the K Series loudspeaker or put the system into standby . (Figure 1 3) By varying the voltage on the pin between +5V (provided on pin) and ground ( pin), the volume can be linearly controlled. The voltage on the pin can be created by using a potentiomet[...]

  • Page 16

    16 Applications Input Hookup Output Hookup[...]

  • Page 17

    17 Output Hookup OR[...]

  • Page 18

    18 Common Standalone Small System (Mono) Common Stereo System LEFT R IGHT[...]

  • Page 19

    19 Dimensions 11 " 280 mm K8 T op Front Side 1 7 .7" 450 mm 1 0.6" 269 mm 1 2.6" 320 mm K1 0 T op Front Side 20.4" 5 1 9 mm 1 1 .8" 300 mm 14 " 356 mm K1 2 T op Front Side 23.7" 603 mm 14 " 356 mm Front Side 14 " 356 mm KSub T op 26" 665 mm 28. 1" 7 1 4 mm[...]

  • Page 20

    20 Specifications Specifications subject to change without notice. K8 K1 0 K1 2 KSub Configuration T rapezoidal 2-way Multipurpose 2-way Multipurpose 2-way 4th Order Bandpass T ransducers Low-frequency High-frequency 8" cone transducer 1 .75" diaphragm compression driver 10 " cone transducer 1 .75" diaphragm compression driver [...]

  • Page 21

    © 2009 QSC Audio Products, LL C. All rights reserved. QSC and the QSC logo are registered trademarks of QSC Audio Products, LL C in the U.S. Patent and T rademark office and other countries. Tilt-Direct, Intrinsic Correction, DEE P and GuardRail are all trademarks of QSC Audio Products, LL C. All other trademarks are the property of their respect[...]