QSC KW122 manuale d’uso

KW Series User Manual KW1 22 – 7 5° 1 000 W active 1 2" (3 00 mm) 2-way loudspeaker system KW1 52 – 60° 1 000 W active 1 5" (380 mm) 2-way loudspeaker system KW1 53 – 7 5° 1 000 W active 1 5" (380 mm) 3-way loudspeaker system KW1 8 1 – 1 8" (460 mm) 1 000 W subwoofer system *TD-000315-00* TD -00031 5-00- C[...]

2 EN I M PORT ANT SAF E T Y P R EC AUTION S AN D EXP L ANA TION OF SYM BOLS W AR N I NG! C AUTION: TO RE DUCE TH E RI S K OF E LECTR IC S HOC K, DO NO T R EMOVE TH E AMP LIF IE R C OVE R. NO U S E R-S E R VICE AB LE P AR TS I N S IDE. R EF E R S E RVIC I NG TO QUALIF I E D PE R SON N E L. The lightning flash with the arrowhead symbol within an equ[...]

3 EN 1 6. WARN I NG! Before placing, installing, rigging, or suspending any speaker product, inspect all hardware, suspension, cabinets, transducers, brackets 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[...]

4 EN Package Contents KW1 22, KW1 52, KW1 53 (1) Loudspeaker system (1) Locking NE MA 5-1 5 power cable (1) Locking CE E 7/4 power cable (1) User Manual CD (1) Wiring hookup diagram KW1 8 1 (1) Subwoofer system (1) Locking NE MA 5-1 5 power cable (1) Locking CE E 7/4 power cable (1) User Manual CD (1) Wiring hookup diagram (1) M20 threaded loudspea[...]

5 EN KW1 52 – 1 5 " , 2-Way Loudspeaker S ystem 1 . Birch ply wood enclosure 2. Steel grille 3. Front LED 4. Cast aluminum handles (2) 5. 1 000 W Class D power module 6. M1 0 rigging points (1 1) 7 . Tilt-Direct™ dual angle pole socket 8. Slip-resistant feet 6 6 2 4 6 6 4 6 6 3 6 6 4 6 5 8 6 6 6 8 8 8 6 1 1 7[...]

6 EN KW1 53 – 1 5 " , 3-Way Loudspeaker S ystem 1 . Birch ply wood enclosure 2. Steel grille 3. Front LED 4. Cast aluminum handles (2) 5. 1 000 W Class D power module 6. M1 0 rigging points (1 1) 7 . 35 mm pole socket 8. Slip-resistant feet 6 6 8 2 3 8 4 6 5 6 6 4 6 4 6 6 8 8 6 7 6 1 1 6 6[...]

7 EN KW1 8 1– Single 1 8 " Subwoofer 1 . Birch ply wood enclosure 2. Steel grille 3. Front LED 4. Cast aluminum handles (2) 5. 1 000 W Class D power module 6. M20 threaded pole receptacle 7 . 3" heavy duty casters 8. Slip-resistant feet 9. Feet cups for stacking 7 9 2 9 3 1 9 5 9 6 7 7 8 8 8 4 8 1[...]

8 EN Applications The KW Series has been primarily designed for por table audio reinforcement. This includes a variety of uses in reinforcement for enter tainers and presenters. The KW1 22, K W1 52 and K W1 53 are all designed to perform well on their o wn in full-range audio. They can be used singly, in stereo pairs or in distributed or delayed sy[...]

9 EN Installation Before placing, installing, rigging, or suspending any speaker product, inspect all hardware, suspension, cabinets, transducers, brackets 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 se[...]

1 0 EN Integrated Suspension Points (suspended installations) WARNI NG! When suspending the loudspeakers, installation must be accomplished by or under the supervision of a licensed installation professional. All applicable building codes must be followed. The KW1 22 enclosure has eight, and the K W1 52 and K W1 53 enclosures each feature eleven lo[...]

1 1 EN If the rear POWE R LE D does not illuminate when the POW E R switch is placed in the ON position during the first 5 minutes of power being applied, verify the AC mains power cord is properly attached to the loudspeaker and plugged into the AC source outlet. V erify the outlet is functioning properly. If the AC mains cord is serviceable and [...]

1 2 EN Channel A Channel A accepts either microphone or line level inputs. The M IC/LI N E I N A inputs can use either a: • Male XLR connector, or a • Male 1 / 4" phone jack (T S or TR S type). The KW1 22, K W1 52, and K W1 53 feature a 4-position rotary switch (M I C/LIN E G AIN) to provide input gain fle xibility. • 0 dB – Regular l[...]

1 3 EN 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. 1 = Shield (ground) 2 = Plus (+) 3 = Minus (-) Ground — Inverting Input + Non-inverting Input Unbalanced Inputs XLR Connector Unbalanced Inputs ¼" Phone Jack C[...]

1 4 EN Output Connections KW1 22, KW1 52, KW1 53 Both Channel A and Channel B have discrete, 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. If a unit is OF F, any signal present [...]

1 5 EN KW1 8 1 Both Channel A and Channel B have discrete, 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 set on the subwoofer gain knob. If a unit is OF F, any signal present on MI C/LI NE I N A or LI N [...]

1 6 EN DS P Features The KW Series features advanced D SP (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[...]

1 7 EN High-frequenc y EQ On the KW1 22, K W1 52 and K W1 53 there are two high-frequency settings. From the factor y, the switch is set to FL A T . This means that the loudspeaker system is producing a flat response through the vocal band. This is the standard setting for most applications. In voice-only reproduction, the switch can be set to the[...]

1 8 EN Additional Features Standby All KW Series models are equipped with an automatic standby feature to conser ve energ y when the systems are not in use. If no signal is present on any input, or the gain knob is turned to off for five minutes, the power amplifier goes into standby and the green STBY LED illuminates. In this mode, the amplifie[...]

1 9 EN Remote Gain Attenuator A 3-pin “Euro” connector is provided to attenuate the volume of the KW Series loudspeaker or put the system into standby from a remote location. The Remote Gain connector can only attenuate the output signal level below the le vel set by the Channel A and Channel B Gain knobs. By varying the voltage on (pin 2) betw[...]

20 EN 12 24 12 24 Input Hookup[...]

21 EN Output Hookup 12 24 12 24 12 24[...]

22 EN OR 12 24 12 24 Output Hookup OR[...]

23 EN 12 24 12 24 Common Standalone Small System (Mono)[...]

24 EN LEFT RIGHT 12 24 12 24 Common Stereo System LEFT RIGHT[...]

25 EN Dimensions 1 5.4" 39 1 mm 26" 662 mm KW1 22 Dimensions 1 5" 38 1 mm KW1 52 Dimensions 1 5.2" 386 mm 1 5.2" 386 mm 32. 1" 8 1 6 mm 1 7 .5" 445 mm[...]

26 EN KW1 53 Dimensions 43. 1" 1 0 96 mm 1 6.8" 427 mm 1 8.5" 469 mm KW1 81 Dimensions 23.4" 595 mm 29.9" 76 1 mm 20. 1" 5 1 0 mm[...]

2 7 EN KW1 22 KW1 52 KW1 53 KW1 81 Configuration 1 2" 2-way multipurpose loudspeaker 1 5" 2-way trapezoidal loudspeaker 1 5" 3-way trapezoidal loudspeaker 1 8" subwoofer T ransducers Low-frequency Mid-frequency High-frequency 1 2" cone transducer — 1 .75" diaphragm compression driver 1 5" cone transducer — 1 .[...]

Mailing Address: QSC Audio Products, LL C 1 675 MacArthur Boule vard Costa Mesa, C A 92626-1 46 8 U S A T elephone Numbers: Main Number: 7 1 4-75 4-6 1 75 Sales & Marketing: 7 1 4-957-7 1 00 or toll free (U SA only) 8 00-85 4-4079 Customer Service: 7 1 4-957-7 1 5 0 or toll free (U SA only) 8 00-772-2834 Facsimile Numbers: Sales & Marketing[...]